{"product_id":"visqueenpro-gas-vent-box","title":"VisqueenPro Gas Vent Box","description":"\u003cdiv data-dynamic-variant-content=\"template--29411158688076__main-title\" class=\"product-info__block product-info__block--sm product-info__title\"\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"27\" data-start=\"0\" data-section-id=\"yqgx47\"\u003eVisqueenPro Gas Vent Box\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-end=\"645\" data-start=\"29\"\u003eThe \u003cstrong data-end=\"61\" data-start=\"33\"\u003eVisqueenPro Gas Vent Box\u003c\/strong\u003e is a high-performance ground-level vent designed for use within Visqueen ground gas protection systems. Engineered to safely disperse hazardous ground gases, including volatile organic compounds (VOCs), it provides an effective ventilation point while helping to minimise the risk of rainwater entering the gas venting system. Manufactured with a galvanised steel base, adjustable levelling feet and a lockable heel-safe lid, the VisqueenPro Gas Vent Box delivers long-term durability for residential, commercial and infrastructure developments.\u003c\/p\u003e\n\u003cp data-end=\"1129\" data-start=\"647\"\u003eDesigned for applications where gas vent pipes cannot terminate through a perimeter wall, the VisqueenPro Gas Vent Box is ideal for curtain walling, glazing systems and other modern building designs. Rated to \u003cstrong data-end=\"875\" data-start=\"856\"\u003eLoad Class B125\u003c\/strong\u003e in accordance with \u003cstrong data-end=\"914\" data-start=\"895\"\u003eBS EN 1433:2002\u003c\/strong\u003e, it is suitable for pedestrian areas, private car parks and light vehicle traffic while providing a free airflow capacity of \u003cstrong data-end=\"1053\" data-start=\"1040\"\u003e20,148mm²\u003c\/strong\u003e for efficient ground gas ventilation.\u003c\/p\u003e\n\u003cp data-end=\"1129\" data-start=\"647\"\u003e\u003cimg alt=\"Visqueen gas ventilation box\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/VisqueenProGasVentBox.jpg?v=1785148591\"\u003e\u003c\/p\u003e\n\u003chr data-end=\"1134\" data-start=\"1131\"\u003e\n\u003ch3 data-end=\"1151\" data-start=\"1136\" data-section-id=\"17xbmye\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul data-end=\"1756\" data-start=\"1153\"\u003e\n\u003cli data-end=\"1199\" data-start=\"1153\" data-section-id=\"8j5nw0\"\u003eDesigned for ground gas venting applications\u003c\/li\u003e\n\u003cli data-end=\"1269\" data-start=\"1200\" data-section-id=\"1rbqmio\"\u003eSuitable for methane, carbon dioxide and VOC gas protection systems\u003c\/li\u003e\n\u003cli data-end=\"1322\" data-start=\"1270\" data-section-id=\"pgvc5y\"\u003eHelps reduce rainwater entering the venting system\u003c\/li\u003e\n\u003cli data-end=\"1369\" data-start=\"1323\" data-section-id=\"l34kbw\"\u003eGalvanised steel construction for durability\u003c\/li\u003e\n\u003cli data-end=\"1423\" data-start=\"1370\" data-section-id=\"kvaj5h\"\u003eAdjustable feet for easy installation and levelling\u003c\/li\u003e\n\u003cli data-end=\"1448\" data-start=\"1424\" data-section-id=\"1f0kj4\"\u003eHeel-safe lockable lid\u003c\/li\u003e\n\u003cli data-end=\"1476\" data-start=\"1449\" data-section-id=\"17xdtlt\"\u003eTested to BS EN 1433:2002\u003c\/li\u003e\n\u003cli data-end=\"1541\" data-start=\"1477\" data-section-id=\"1j9k0fg\"\u003eLoad Class B125 for pedestrian areas and light vehicle traffic\u003c\/li\u003e\n\u003cli data-end=\"1583\" data-start=\"1542\" data-section-id=\"e5q2ti\"\u003eHigh free airflow capacity of 20,148mm²\u003c\/li\u003e\n\u003cli data-end=\"1626\" data-start=\"1584\" data-section-id=\"7pdrkw\"\u003eSuitable for suspended floor ventilation\u003c\/li\u003e\n\u003cli data-end=\"1669\" data-start=\"1627\" data-section-id=\"3srlvx\"\u003eIdeal where wall venting is not possible\u003c\/li\u003e\n\u003cli data-end=\"1756\" data-start=\"1670\" data-section-id=\"15hnc35\"\u003eCompatible with Visqueen gas vent pipe systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1761\" data-start=\"1758\"\u003e\n\u003ch3 data-end=\"1778\" data-start=\"1763\" data-section-id=\"mu966k\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-end=\"2061\" data-start=\"1780\"\u003e\n\u003cli data-end=\"1811\" data-start=\"1780\" data-section-id=\"10ckq25\"\u003eGround gas protection systems\u003c\/li\u003e\n\u003cli data-end=\"1837\" data-start=\"1812\" data-section-id=\"1gnshyh\"\u003eMethane venting systems\u003c\/li\u003e\n\u003cli data-end=\"1862\" data-start=\"1838\" data-section-id=\"sno9hc\"\u003eCarbon dioxide venting\u003c\/li\u003e\n\u003cli data-end=\"1880\" data-start=\"1863\" data-section-id=\"9bcs7i\"\u003eVOC gas venting\u003c\/li\u003e\n\u003cli data-end=\"1906\" data-start=\"1881\" data-section-id=\"1qwz1l8\"\u003eBrownfield developments\u003c\/li\u003e\n\u003cli data-end=\"1933\" data-start=\"1907\" data-section-id=\"14gx95z\"\u003eResidential construction\u003c\/li\u003e\n\u003cli data-end=\"1959\" data-start=\"1934\" data-section-id=\"pt286s\"\u003eCommercial developments\u003c\/li\u003e\n\u003cli data-end=\"1995\" data-start=\"1960\" data-section-id=\"q5gadp\"\u003eSuspended precast concrete floors\u003c\/li\u003e\n\u003cli data-end=\"2022\" data-start=\"1996\" data-section-id=\"1u6fgz2\"\u003eCurtain walling projects\u003c\/li\u003e\n\u003cli data-end=\"2042\" data-start=\"2023\" data-section-id=\"1hkpklq\"\u003ePrivate car parks\u003c\/li\u003e\n\u003cli data-end=\"2061\" data-start=\"2043\" data-section-id=\"kbu7vv\"\u003ePedestrian areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2066\" data-start=\"2063\"\u003e\n\u003ch3 data-end=\"2092\" data-start=\"2068\" data-section-id=\"1uhri7u\"\u003eTechnical Information\u003c\/h3\u003e\n\u003cul data-end=\"2527\" data-start=\"2094\"\u003e\n\u003cli data-end=\"2129\" data-start=\"2094\" data-section-id=\"1onydql\"\u003eProduct Type: Ground gas vent box\u003c\/li\u003e\n\u003cli data-end=\"2158\" data-start=\"2130\" data-section-id=\"1fncfkq\"\u003eMaterial: Galvanised steel\u003c\/li\u003e\n\u003cli data-end=\"2183\" data-start=\"2159\" data-section-id=\"10v6frs\"\u003ePipe Connection: 110mm\u003c\/li\u003e\n\u003cli data-end=\"2198\" data-start=\"2184\" data-section-id=\"1p6r9tw\"\u003eWidth: 123mm\u003c\/li\u003e\n\u003cli data-end=\"2214\" data-start=\"2199\" data-section-id=\"1ig9xo8\"\u003eLength: 530mm\u003c\/li\u003e\n\u003cli data-end=\"2245\" data-start=\"2215\" data-section-id=\"15vuqi7\"\u003eHeight (without legs): 112mm\u003c\/li\u003e\n\u003cli data-end=\"2293\" data-start=\"2246\" data-section-id=\"8atr93\"\u003eVisible Installed Area: Approx. 530mm × 153mm\u003c\/li\u003e\n\u003cli data-end=\"2319\" data-start=\"2294\" data-section-id=\"1w7yv8l\"\u003eLid Size: 499mm × 123mm\u003c\/li\u003e\n\u003cli data-end=\"2355\" data-start=\"2320\" data-section-id=\"11km60r\"\u003eFree Air Flow Capacity: 20,148mm²\u003c\/li\u003e\n\u003cli data-end=\"2375\" data-start=\"2356\" data-section-id=\"nd4b5z\"\u003eLoad Rating: B125\u003c\/li\u003e\n\u003cli data-end=\"2403\" data-start=\"2376\" data-section-id=\"ioh3cc\"\u003eStandard: BS EN 1433:2002\u003c\/li\u003e\n\u003cli data-end=\"2456\" data-start=\"2404\" data-section-id=\"3oie07\"\u003eMinimum Concrete Bed: 50mm (Strength Class C25\/30)\u003c\/li\u003e\n\u003cli data-end=\"2527\" data-start=\"2457\" data-section-id=\"6fos4u\"\u003eTemperature Restrictions: None\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2532\" data-start=\"2529\"\u003e\n\u003ch3 data-end=\"2563\" data-start=\"2534\" data-section-id=\"1r8frcv\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp data-end=\"2615\" data-start=\"2565\"\u003e\u003cstrong data-end=\"2615\" data-start=\"2565\"\u003eWhat is the VisqueenPro Gas Vent Box used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2851\" data-start=\"2617\"\u003eIt provides a ground-level ventilation point for Visqueen gas venting systems, allowing hazardous ground gases to safely disperse to atmosphere while helping prevent rainwater entering the system.\u003c\/p\u003e\n\u003cp data-end=\"2915\" data-start=\"2853\"\u003e\u003cstrong data-end=\"2915\" data-start=\"2853\"\u003eWhere is the VisqueenPro Gas Vent Box typically installed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3123\" data-start=\"2917\"\u003eIt is normally installed close to the building perimeter where vent pipes cannot exit through a masonry wall, such as buildings with curtain walling or glazing systems.\u003c\/p\u003e\n\u003cp data-end=\"3174\" data-start=\"3125\"\u003e\u003cstrong data-end=\"3174\" data-start=\"3125\"\u003eCan the vent box be used in pedestrian areas?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3361\" data-start=\"3176\"\u003eYes. It is tested to \u003cstrong data-end=\"3232\" data-start=\"3197\"\u003eBS EN 1433:2002 Load Class B125\u003c\/strong\u003e, making it suitable for pedestrian precincts, private car parks and light vehicle traffic.\u003c\/p\u003e\n\u003cp data-end=\"3410\" data-start=\"3363\"\u003e\u003cstrong data-end=\"3410\" data-start=\"3363\"\u003eHow much airflow does the vent box provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3530\" data-start=\"3412\"\u003eEach VisqueenPro Gas Vent Box provides a free airflow capacity of \u003cstrong data-end=\"3491\" data-start=\"3478\"\u003e20,148mm²\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"3582\" data-start=\"3532\"\u003e\u003cstrong data-end=\"3582\" data-start=\"3532\"\u003eDoes the vent box require a concrete surround?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3753\" data-start=\"3584\"\u003eYes. Visqueen recommends a minimum \u003cstrong data-end=\"3690\" data-start=\"3619\"\u003e50mm concrete bed and surround using Strength Class C25\/30 concrete\u003c\/strong\u003e for secure installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch5 data-end=\"3914\" data-start=\"3838\"\u003eDownloads\u003c\/h5\u003e\n\u003cp data-end=\"3914\" data-start=\"3838\"\u003e\u003ca title=\"VisqueenPro Gas Vent Box Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/VisqueenPro_Gas_Vent_Box.pdf?v=1785148636\"\u003eData sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Visqueen","offers":[{"title":"Galvanised","offer_id":57326452539767,"sku":"VPGASVENTBOXG","price":652.5,"currency_code":"GBP","in_stock":true},{"title":"Stainless Steel","offer_id":57326453686647,"sku":"VPGASVENTBOXSS","price":845.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/VisqueenProGasVentBox.jpg?v=1785148591","url":"https:\/\/clevershieldcoatings.co.uk\/products\/visqueenpro-gas-vent-box","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}