{"title":"Louvre Ventilation","description":"\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"brl20v-fl-standard-ventilation-wall-louvre","title":"BRL20V-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL20V-FL Standard Ventilation Wall Louvre with Flange is designed to provide efficient ventilation while offering a durable and corrosion-resistant construction. Manufactured from high-quality extruded aluminium profiles, it features a 20 V-blade design and an integrated stainless steel mesh to help prevent the entry of insects and other unwanted debris.\u003c\/p\u003e\n\u003cp\u003eThe louvre is manufactured from EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and fitted with AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. Its design provides a 94% visual free area and a 30% physical free area, making it suitable for a variety of standard ventilation applications.\u003c\/p\u003e\n\u003cp\u003eAvailable in a wide range of dimensions, the BRL20V-FL can be specified to suit different installation requirements. Custom dimensions are also available on request.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003eOther dimensions on request\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929647829377,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR20V-FL.png?v=1761827398"},{"product_id":"brl34v-fl-wall-louvre","title":"BRL34V-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL34V-FL is a standard flanged aluminium ventilation louvre designed to provide effective airflow through external walls and building façades. Featuring a 34 mm V-profile blade design, it is suitable for air intake and exhaust applications in commercial, industrial and building-services environments.\u003c\/p\u003e\n\u003cp\u003eThe BRL34V-FL offers a visual free area of 60% and a physical free area of 50%. The visual free area indicates the apparent open proportion of the louvre when viewed from the front, while the physical free area represents the effective opening available for air to pass through. These values are useful when comparing louvre designs and planning ventilation openings. Actual airflow performance will also depend on pressure drop, installation dimensions and the wider ventilation system.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the louvre combines durable construction with a practical design for external building applications. It incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures to help restrict the entry of larger external debris.\u003c\/p\u003e\n\u003cp\u003eDesigned for flanged installation into a compatible wall opening, the BRL34V-FL provides a neat, practical finish for ventilation openings in commercial buildings, industrial facilities and other applications requiring external air intake or exhaust.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929647927681,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34V-FL.png?v=1761827403"},{"product_id":"brl50z-fl","title":"BRL50Z-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL50Z-FL is a standard flanged aluminium ventilation louvre designed to provide effective airflow through external walls and building façades. Featuring a 50 mm Z-profile blade design, it is suitable for air intake and exhaust applications in commercial, industrial and building-services environments.\u003c\/p\u003e\n\u003cp\u003eThe BRL50Z-FL provides a visual free area of 78% and a physical free area of 48%\u003cspan\u003e. The visual free area represents the apparent open proportion of the louvre when viewed from the front, while the physical free area indicates the effective open area available for air to pass through. These figures are useful when comparing louvre designs and planning ventilation openings. Actual airflow performance will also depend on pressure drop, installation dimensions and the wider ventilation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the louvre combines durable construction with a practical design for external building applications. It incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures to help restrict the entry of larger external debris.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for flanged installation into a compatible wall opening, the BRL50Z-FL provides a neat, practical finish for ventilation openings in commercial buildings, industrial facilities and other applications requiring external air intake or exhaust.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003cbr\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929648091521,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR50Z-FL.png?v=1761827384"},{"product_id":"brl60z-fl-ventilation-wall-louvre","title":"BRL60Z-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL60Z-FL is a high-free-area aluminium ventilation louvre designed to provide efficient air intake and exhaust through external walls and building facades. Featuring a 60 mm Z-shaped blade design, it combines a generous open area with a robust extruded aluminium construction, making it suitable for ventilation openings in commercial, industrial and service environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for flanged wall installation, the BRL60Z-FL offers a practical solution where substantial airflow and a clean, integrated finish are important. Its stainless steel mesh provides an additional barrier across the opening, while the aluminium profile offers good corrosion resistance for long-term use.\u003c\/p\u003e\n\u003cp\u003eWith a 90% visual free area and 76% physical free area, the BRL60Z-FL provides a high proportion of unobstructed space for air movement. The model is available in rectangular and square configurations, with a broad range of standard dimensions and other sizes available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929648910721,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR60Z-FL.png?v=1761827389"},{"product_id":"brl65z-fl","title":"BRL65Z-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL65Z-FL is a standard aluminium ventilation wall louvre designed to provide effective air intake and exhaust through external walls and building facades. Featuring a 65 mm Z-blade configuration, it combines a durable extruded aluminium construction with a flanged mounting design, making it suitable for a wide range of commercial, industrial and building services applications.\u003c\/p\u003e\n\u003cp\u003eManufactured from EN AW-6060 T66 aluminium profiles, the BRL65Z-FL offers a robust construction for integration into ventilation openings. It is supplied with stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures, and standard mounting brackets to support installation.\u003c\/p\u003e\n\u003cp\u003eThe BRL65Z-FL has a 78% visual free area and a 53% physical free area, providing a balance between the blade arrangement and the open area available for ventilation. Available in rectangular and square configurations, it can be specified in a range of dimensions to suit project requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649041793,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR65Z-FL.png?v=1761827395"},{"product_id":"brl75z-fl","title":"BRL75Z-FL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL75Z-FL is a standard aluminium ventilation wall louvre designed to provide effective air intake and exhaust through external walls and building facades. Featuring a 75 mm Z-blade configuration, it combines a durable extruded aluminium construction with a flanged mounting arrangement, making it suitable for commercial, industrial and building services applications.\u003c\/p\u003e\n\u003cp\u003eManufactured using EN AW-6060 T66 aluminium profiles, the BRL75Z-FL provides a robust solution for integrating ventilation openings into building envelopes. It incorporates stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures, and is designed for installation into prepared wall openings.\u003c\/p\u003e\n\u003cp\u003eWith an 83% visual free area and 57% physical free area, the BRL75Z-FL offers a substantial open area for ventilation. It is available in rectangular and square configurations, with dimensions from 300 × 300 mm to 2000 × 4000 mm. Other sizes can be requested to suit specific project requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 300 x 300 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649107329,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR75Z-FL.png?v=1761827401"},{"product_id":"brl20v-gl","title":"BRL20V-GL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL20V-GL Standard Ventilation Glazed-in Louvre is designed to provide effective airflow through window and door systems while maintaining a neat, integrated appearance. Featuring a 20 mm V-blade design, this glazed-in louvre is manufactured from high-quality extruded aluminium profiles and incorporates stainless steel mesh for practical ventilation and insect protection.\u003c\/p\u003e\n\u003cp\u003eConstructed from EN AW-6060 T66 aluminium (AlMgSi0.5 F22), the BRL20V-GL combines a durable, lightweight structure with a design suitable for a variety of residential, commercial and industrial applications. The integrated AISI 304 stainless steel mesh features 2.3 × 2.3 mm apertures, helping to prevent insects from entering through the ventilation opening.\u003c\/p\u003e\n\u003cp\u003eWith a 94% visual free area and a 30% physical free area, the BRL20V-GL provides a high visual open area alongside a defined physical airflow passage. Its glazed-in installation design allows it to be incorporated into compatible window and door systems using the glazing pocket, standard glazing beads and packers.\u003c\/p\u003e\n\u003cp\u003eAvailable in a wide range of dimensions and compatible with glazing thicknesses of 20, 24, 28, 32 and 36 mm, the BRL20V-GL offers flexibility for different project specifications. Bespoke dimensions are also available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649205633,"sku":"SKU 50759","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR20V-GL-24-png.png?v=1761827409"},{"product_id":"brl34v-gl","title":"BRL34V-GL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL34V-GL is a standard glazed-in ventilation louvre designed to provide effective airflow through glazed openings while maintaining a neat, integrated appearance. Featuring a 34 mm V-shaped blade configuration, this louvre combines practical ventilation performance with a durable aluminium construction, making it suitable for a range of commercial, industrial and building ventilation applications.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded aluminium profiles to EN AW-6060 T66 (AlMgSi0.5 F22), the BRL34V-GL is designed for installation within a compatible glazing system. Its V-blade arrangement provides a balance between visible openness and usable airflow, while integrated stainless steel mesh helps protect the opening from larger external debris.\u003c\/p\u003e\n\u003cp\u003eWith a 60% visual free area and 50% physical free area\u003cspan\u003e, the BRL34V-GL offers a practical ventilation solution for projects where airflow, glazing integration and a clean external finish are important considerations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649303937,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34V-GL-24.png?v=1761827414"},{"product_id":"brl34z-gl","title":"BRL34Z-GL","description":"\u003cp dir=\"auto\"\u003eThe Brookvent BRL34Z-GL is a standard aluminium ventilation louvre designed for integration into window and door frames, glazed facades and other compatible glazing systems. Featuring a 34 mm Z-shaped blade profile, it provides a practical solution for air intake and exhaust in commercial, industrial and building services applications.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the BRL34Z-GL combines a durable construction with a glazing-compatible design. The louvre is installed into a glazing pocket using standard glazing beads and packers, allowing ventilation to be incorporated into the overall window, door or facade assembly.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe unit incorporates stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures. With a 68% visual free area and 35% physical free area, the BRL34Z-GL provides a defined open area for ventilation while maintaining the structural arrangement of its Z-shaped blades.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eCompatible with glazing thicknesses of 20, 24, 28, 32 and 36 mm, the BRL34Z-GL offers flexibility for a variety of glazing configurations. It is available in rectangular and square shapes, with a broad dimensional range to accommodate different project requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649369473,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-GL-24.png?v=1761827421"},{"product_id":"brl50z-gl","title":"BRL50Z-GL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL50Z-GL is a standard aluminium ventilation louvre designed for integration into glazed openings, providing an effective solution for air intake and exhaust in commercial, industrial and building services environments. Featuring a 50 mm Z-shaped blade profile, it combines a durable aluminium construction with a glazing-compatible frame for installation within suitable glazing systems.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the BRL50Z-GL is designed to fit into a glazing pocket using standard glazing beads and packers. It incorporates stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures.\u003c\/p\u003e\n\u003cp\u003eWith a 78% visual free area and 48% physical free area, the BRL50Z-GL provides a substantial open area for ventilation while maintaining a defined blade arrangement. It accommodates glazing thicknesses of 24, 28 or 32 mm, making it suitable for projects where ventilation needs to be incorporated into a compatible glazed facade or opening.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649467777,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR50Z-GL-24.png?v=1761827426"},{"product_id":"brl60z-gl","title":"BRL60Z-GL","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL60Z-GL is a standard aluminium ventilation louvre designed for integration into glazed openings, providing a practical solution for air intake and exhaust in commercial, industrial and building services applications. Featuring a 60 mm Z-shaped blade profile, it combines a high free area with a durable aluminium construction and a glazing-compatible frame.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the BRL60Z-GL is designed to fit into a glazing pocket using standard glazing beads and packers. It incorporates stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures.\u003c\/p\u003e\n\u003cp\u003eWith a 90% visual free area and 76% physical free area, the BRL60Z-GL provides a high proportion of open space for ventilation. It accommodates glazing thicknesses of 24, 28 or 32 mm, making it suitable for projects where ventilation needs to be incorporated into a glazed facade or opening.\u003c\/p\u003e\n\u003cp\u003eAvailable in rectangular and square configurations, the BRL60Z-GL offers a flexible solution for building designs that require ventilation through glazed sections without using a conventional flanged wall-mounted louvre.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649533313,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR60Z-GL-24.png?v=1761827483"},{"product_id":"brl20v-sm","title":"BRL20V-SM","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003eBRL20V-SM Standard Ventilation Surface-Mounted Louvre\u003cspan\u003e is designed to provide effective airflow through external walls while offering a durable construction and a clean, professional finish. Featuring a 20 mm V-blade design, this louvre is manufactured from high-quality extruded aluminium profiles and incorporates a stainless steel mesh to help prevent insects from entering the building.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from \u003c\/span\u003eEN AW-6060 T66 aluminium (AlMgSi0.5 F22)\u003cspan\u003e, the BRL20V-SM combines strength and durability with a lightweight design suitable for a variety of ventilation applications. The integrated AISI 304 stainless steel mesh features 2.3 × 2.3 mm apertures, providing a practical barrier against insects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a \u003c\/span\u003e94% visual free area and a 30% physical free area\u003cspan\u003e, the BRL20V-SM offers a high visual open area alongside a defined airflow passage. Its surface-mounted design allows it to be fitted externally over a suitable wall opening, making it a versatile choice for commercial, industrial and residential ventilation projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in dimensions ranging from 200 × 200 mm to 2000 × 4000 mm, with bespoke sizes available on request, the BRL20V-SM can be specified to suit a wide range of installation requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMin. dimension (height x width): 200 x 200 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMax. dimension (height x width): 2000 x 4000 mm\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649697153,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR20V-SM.png?v=1761827489"},{"product_id":"brl34z-sm","title":"BRL34Z-SM","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL34Z-SM is a standard aluminium ventilation louvre designed for surface mounting onto external walls and building facades. Featuring a 34 mm Z-shaped blade profile, it provides a practical solution for ventilation openings in commercial, industrial and building services environments.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded EN AW-6060 T66 aluminium profiles, the BRL34Z-SM combines a lightweight construction with a durable finish suitable for building ventilation applications. It incorporates stainless steel mesh manufactured from RVS\/AISI 304, with 2.3 × 2.3 mm apertures.\u003c\/p\u003e\n\u003cp\u003eUnlike flanged wall louvres, the surface-mounted BRL34Z-SM is designed to be fixed directly onto the wall surface over a prepared opening. This makes it a useful choice where a straightforward external mounting arrangement is required.\u003c\/p\u003e\n\u003cp\u003eWith a 68% visual free area and 35% physical free area, the BRL34Z-SM provides a defined open area for air movement. It is available in rectangular and square configurations, with dimensions from 200 × 200 mm to 2000 × 4000 mm and other sizes available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649762689,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-SM.png?v=1761827496"},{"product_id":"brl34z-fl-hf","title":"BRL34Z-FL HF","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL34Z-FL HF High-Flow Ventilation Wall Louvre is designed to provide increased airflow for ventilation applications where a larger physical free area is required. Featuring a 34 mm Z-blade design, this flanged wall louvre combines efficient airflow characteristics with a durable aluminium construction, making it suitable for a wide range of commercial, industrial and building ventilation projects.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL34Z-FL HF uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. The mesh helps reduce the entry of insects and unwanted debris while allowing air to pass through the louvre.\u003c\/p\u003e\n\u003cp\u003eThe high-flow (HF) design provides a 68% visual free area and 48% physical free area, offering increased airflow capacity compared with the standard BRL34Z-FL model. Its integrated mounting flange provides a practical solution for installation over a suitable wall opening.\u003c\/p\u003e\n\u003cp\u003eAvailable in a range of dimensions, the BRL34Z-FL HF can be specified for different project requirements, with bespoke sizes available on request.\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649893761,"sku":"SKU 50766","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-FL-HIFLOW.png?v=1761827502"},{"product_id":"brl34z-gl-hf","title":"BRL34Z-GL HF","description":"\u003ch1\u003eVentilation Glazed-in Louvres with increased flow area (HF)\u003c\/h1\u003e\u003cbr\u003eBRL34Z-GL HF is a Ventilation Glazed-in Louvre with increased flow area with 34 Z-blade. It is made of extruded alu profiles - EN AW-6060 T66 (AlMgSi0.5 F22) and stainless steel mesh - RVS (AISI 304) with apertures 2.3 x 2.3 mm. Its visual free area is 68% and physical free area is 48%.\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003eDIMENSIONS\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003cbr\u003eVentilation Glazed-in Louvre with increased flow area with 34 Z-blade.","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929649959297,"sku":"SKU 50767","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-GL-24-HIFLOW.png?v=1761827508"},{"product_id":"brl34z-sm-hf","title":"BRL34Z-SM HF","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL34Z-SM HF High-Flow Surface-Mounted Ventilation Louvre is designed to provide enhanced airflow for applications where increased ventilation capacity is required. Featuring a 34 mm Z-blade design, this surface-mounted louvre combines a high physical free area with durable aluminium construction, making it suitable for a wide range of commercial, industrial and building ventilation projects.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL34Z-SM HF uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. The mesh helps reduce insect ingress while allowing air to pass through the louvre.\u003c\/p\u003e\n\u003cp\u003eWith a 68% visual free area and 48% physical free area, the high-flow design provides an effective solution for ventilation systems that require substantial airflow through an external wall opening. Its surface-mounted configuration allows the louvre to be installed over a suitable wall opening, providing a practical and professional finish.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929650024833,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-SM-HIFLOW.png?v=1761827515"},{"product_id":"brl34z-fl-ewr","title":"BRL34Z-FL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL34Z-FL EWR Extreme Water-Resistant Flanged Wall Louvre is designed to provide effective ventilation while offering enhanced resistance to water ingress in exposed environments. Featuring a 34 mm Z-blade design, this aluminium wall louvre is suitable for ventilation applications where protection against wind-driven rain is an important consideration.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL34Z-FL EWR uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. This combination provides a durable construction and helps prevent insects from entering through the ventilation opening.\u003c\/p\u003e\n\u003cp\u003eThe EWR design is intended for installations requiring increased resistance to water penetration compared with standard ventilation louvres. Its integrated flange provides a practical mounting arrangement for installation over a suitable wall opening.\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929650090369,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-FL-EXTREME-WATER-RESISTANT.png?v=1761827521"},{"product_id":"brl50z-fl-ewr","title":"BRL50Z-FL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL50Z-FL EWR Extreme Water-Resistant Flanged Wall Louvre is designed to provide effective ventilation while offering enhanced resistance to water ingress in exposed environments. Featuring a 50 mm Z-blade design, this robust aluminium louvre is suitable for applications where ventilation must be balanced with protection against wind-driven rain.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL50Z-FL EWR uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. This durable construction makes it suitable for demanding commercial and industrial ventilation projects.\u003c\/p\u003e\n\u003cp\u003eThe louvre's EWR design provides increased water resistance compared with standard ventilation louvres. Its integrated mounting flange allows it to be installed over a suitable wall opening, providing a practical solution for external air intake and exhaust applications where weather exposure is a key consideration.\u003c\/p\u003e\n\u003cp\u003eWith a 24% visual free area and 16% physical free area, the BRL50Z-FL EWR is designed to support ventilation requirements where resistance to water ingress is prioritised. It is available in a range of dimensions, with bespoke sizes available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929650155905,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR60Z-FL-EXTREME-WATER-RESISTANT.png?v=1761827526"},{"product_id":"brl60z-fl-ewr","title":"BRL60Z-FL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL60Z-FL EWR Extreme Water-Resistant Flanged Wall Louvre is designed to provide reliable ventilation while offering increased resistance to water ingress in exposed environments. Featuring a 60 mm Z-blade design, this robust aluminium louvre is suitable for commercial, industrial and building-services applications where effective airflow and protection against wind-driven rain are important considerations.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL60Z-FL EWR uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. This combination provides a durable construction, while the mesh helps reduce insect ingress through the ventilation opening.\u003c\/p\u003e\n\u003cp\u003eThe louvre's increased water-resistance design makes it suitable for installations where weather exposure needs careful consideration. Its integrated flange provides a practical mounting arrangement for fitting over a suitable wall opening.\u003c\/p\u003e\n\u003cp\u003eWith a 40% visual free area and 33% physical free area, the BRL60Z-FL EWR offers a balance between ventilation performance and resistance to water penetration. Available in a wide range of dimensions, it can be specified for different project requirements, with bespoke sizes available on request.\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929650221441,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR60Z-FL-EXTREME-WATER-RESISTANT-1.png?v=1761827532"},{"product_id":"brl65z-fl-ewr","title":"BRL65Z-FL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe BRL65Z-FL EWR Extreme Water-Resistant Flanged Wall Louvre is designed to provide ventilation while offering enhanced resistance to water ingress in exposed environments. Featuring a 65 mm Z-blade design, this robust aluminium louvre is suitable for commercial, industrial and building-services applications where protection against wind-driven rain is an important consideration.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality extruded aluminium profiles, the BRL65Z-FL EWR uses EN AW-6060 T66 aluminium (AlMgSi0.5 F22) and incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. This combination provides a durable construction, while the mesh helps reduce insect ingress through the ventilation opening.\u003c\/p\u003e\n\u003cp\u003eDesigned for flanged wall installation, the BRL65Z-FL EWR can be fitted into a suitable external wall opening. Its increased water-resistance design makes it a practical choice for ventilation systems exposed to challenging weather conditions.\u003c\/p\u003e\n\u003cp\u003eWith a 31% visual free area and 14% physical free area, this model prioritises water resistance while providing a defined airflow passage. It is available in a wide range of dimensions, with bespoke sizes available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929656775041,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR65Z-FL-EXTREME-WATER-RESISTANT.png?v=1761827426"},{"product_id":"brl75z-fl-ewr","title":"BRL75Z-FL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003eBrookvent BRL75Z-FL EWR\u003cspan\u003e is a high-performance aluminium ventilation louvre designed to provide effective air intake and exhaust while offering increased resistance to water ingress. Featuring a 75 mm Z-profile blade design, it is suitable for external wall ventilation applications where airflow must be balanced with protection against adverse weather conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from extruded aluminium profiles and fitted with stainless steel mesh, the BRL75Z-FL EWR provides a durable solution for commercial, industrial and building-services ventilation systems. Its integrated mounting flange supports installation into compatible wall openings, creating a neat, practical external finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe EWR (Enhanced Water Resistance) configuration is intended for applications where improved protection against rain penetration is an important design consideration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 300 x 300 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929656938881,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR75Z-FL-EXTREME-WATER-RESISTANT.png?v=1761827432"},{"product_id":"brl34z-gl-ewr","title":"BRL34Z-GL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL34Z-GL EWR is a glazed-in aluminium ventilation louvre designed to provide effective airflow while offering increased resistance to water penetration. Featuring a 34 mm Z-profile blade design, it is suitable for integration into compatible glazing systems where ventilation performance and weather protection are important considerations.\u003c\/p\u003e\n\u003cp\u003eThe BRL34Z-GL EWR offers a visual free area of 29% and a physical free area of 21%\u003cspan\u003e, providing useful airflow-related specifications for ventilation planning and product selection. The visual free area represents the apparent open area when viewed from the front, while the physical free area indicates the effective open area available for air to pass through the louvre. Actual airflow performance will also depend on factors such as pressure drop, installation conditions and the wider ventilation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from extruded aluminium profiles and incorporating AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures, the louvre provides a durable solution for commercial, industrial and building-services applications. Its increased water-resistance design makes it suitable for external ventilation openings where reducing rainwater ingress is an important consideration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for glazed-in installation within a compatible glazing pocket using suitable glazing beads and packers, the BRL34Z-GL EWR provides an integrated finish for appropriate window and façade systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929657069953,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-GL-24-EXTREME-WATER-RESISTANT.png?v=1761827439"},{"product_id":"brl50z-gl-ewr","title":"BRL50Z-GL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL50Z-GL EWR is a glazed-in aluminium ventilation louvre designed to provide airflow while offering increased resistance to water penetration. Featuring a 50 mm Z-profile blade design, it is suitable for integration into compatible window, door and façade glazing systems where ventilation and weather protection are important considerations.\u003c\/p\u003e\n\u003cp\u003eThe BRL50Z-GL EWR offers a visual free area of 24% and a physical free area of 16%. The visual free area represents the apparent open area when viewed from the front, while the physical free area indicates the effective open area available for air to pass through the louvre. These values are useful when assessing ventilation openings and comparing product configurations. Actual airflow performance will also depend on pressure drop and the design of the wider ventilation system.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded aluminium profiles and fitted with AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures, the louvre provides a durable solution for commercial, industrial and building-services applications. Its EWR (Extreme Water Resistant) design is intended for external ventilation openings where reducing rainwater ingress is a key requirement.\u003c\/p\u003e\n\u003cp\u003eDesigned for installation within a compatible glazing pocket using suitable glazing beads and packers, the BRL50Z-GL EWR offers an integrated finish for appropriate glazed building systems.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929657233793,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR50Z-GL-24-EXTREME-WATER-RESISTANT.png?v=1761827445"},{"product_id":"brl60z-gl-ewr","title":"BRL60Z-GL EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL60Z-GL EWR is a glazed-in aluminium ventilation louvre designed to provide effective airflow while offering increased resistance to water penetration. Featuring a 60 mm Z-profile blade design, it is suitable for integration into compatible glazing systems where ventilation performance and protection against rainwater ingress are important considerations.\u003c\/p\u003e\n\u003cp\u003eThe BRL60Z-GL EWR provides a visual free area of 40% and a physical free area of 33%\u003cspan\u003e. The visual free area represents the apparent open proportion of the louvre when viewed from the front, while the physical free area indicates the effective open area available for air to pass through. These values help with product comparison and ventilation planning. Actual airflow will also depend on pressure drop, the dimensions of the installation and the wider ventilation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from extruded aluminium profiles using EN AW-6060 T66 aluminium alloy, the louvre incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. Its EWR (Extreme Water Resistant) configuration is designed for external ventilation openings where increased resistance to water ingress is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for installation within a compatible glazing pocket using suitable glazing beads and packers, the BRL60Z-GL EWR offers an integrated finish for appropriate window and façade systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929657397633,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR60Z-GL-24-EXTREME-WATER-RESISTANT.png?v=1761827451"},{"product_id":"brl34z-sm-ewr","title":"BRL34Z-SM EWR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eThe Brookvent BRL34Z-SM EWR is a surface-mounted aluminium ventilation louvre designed to provide effective airflow while offering increased resistance to water penetration. Featuring a 34 mm Z-profile blade design, it is suitable for external wall applications where ventilation performance and protection against rainwater ingress are important considerations.\u003c\/p\u003e\n\u003cp\u003eThe BRL34Z-SM EWR provides a visual free area of 29% and a physical free area of 21%. The visual free area represents the apparent open proportion of the louvre when viewed from the front, while the physical free area indicates the effective open area available for air to pass through. These values help with product comparison and ventilation planning. Actual airflow will also depend on pressure drop, installation dimensions and the design of the wider ventilation system.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded aluminium profiles using EN AW-6060 T66 aluminium alloy, the louvre incorporates AISI 304 stainless steel mesh with 2.3 × 2.3 mm apertures. Its EWR (Extreme Water Resistant) design is intended for external ventilation openings where improved resistance to water ingress is required.\u003c\/p\u003e\n\u003cp\u003eDesigned for direct surface mounting onto a compatible wall or façade, the BRL34Z-SM EWR provides a practical finish for air intake and exhaust openings in commercial, industrial and building-services applications\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eMin. dimension (height x width): 200 x 200 mm\u003cbr\u003e\u003cbr\u003eMax. dimension (height x width): 2000 x 4000 mm\u003cbr\u003e\u003cbr\u003eOther dimensions on request\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929657495937,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/MR34Z-SM-EXTREME-WATER-RESISTANT.png?v=1761827457"},{"product_id":"brl-dr","title":"BRL-DR","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003eBrookvent BRL-DR is an aluminium door ventilation louvre designed to facilitate air circulation between rooms or through door panels while maintaining a neat, integrated appearance. Suitable for a variety of commercial, industrial and building-services environments, it provides a practical solution for spaces requiring continuous air transfer and ventilation.\u003c\/p\u003e\n\u003cp\u003eManufactured from extruded aluminium profiles with a minimum thickness of 1.3 mm, the BRL-DR offers durable construction and good corrosion resistance. The louvre is supplied with insect mesh as standard and features internal and external frames for a clean finish on both sides of the door.\u003c\/p\u003e\n\u003cp\u003eDesigned to accommodate door thicknesses from 30 mm to 54 mm, the BRL-DR can be installed in a range of compatible door applications. Its blade arrangement allows air to pass through while providing a screening effect for improved visual privacy. The maximum recommended width for a single unit is 800 mm, with alternative dimensions available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMin. dimension (height x width): 200 x 200 mm\u003c\/li\u003e\n\u003cli\u003eMax. dimension (height x width): 2000 x 800 mm\u003c\/li\u003e\n\u003cli\u003eOther dimensions on request\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":54929658052993,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/files\/BRL-DR.png?v=1761827410"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/8831\/3985\/collections\/louvres.png?v=1764163672","url":"https:\/\/brookvent.co.uk\/collections\/louvre-ventilation.oembed","provider":"Brookvent","version":"1.0","type":"link"}