{"product_id":"nullifire-fv125-large-ventilated-cavity-barrier","title":"Nullifire FV125 Large Ventilated Cavity Barrier","description":"\u003cp\u003eThe Nullifire FV125 Large Ventilated Cavity Barrier is a fire-rated rock mineral fibre cavity barrier with an integral high-expansion intumescent seal, for open-state cavities up to 25mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"font-bold\"\u003eWHERE IT'S USED\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUsed as an external wall cavity barrier at compartment floors, around windows and doors, and within uninsulated cavities requiring permanent open-state ventilation, to reinstate fire resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"font-bold\"\u003eBUILD-UP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA rock mineral fibre section with an integral intumescent seal on the leading edge, fixing brackets included as standard, suited to cavities up to 450mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"font-bold\"\u003eKEY BENEFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e- Up to 180 minutes fire resistance, tested to ASFP TGD19 guidance\u003c\/p\u003e\n\u003cp\u003e- Maintains a 25mm air gap while allowing ventilation\u003c\/p\u003e\n\u003cp\u003e- Tested for cavities up to 450mm\u003c\/p\u003e\n\u003cp\u003e- Lightweight for quick installation, no maintenance required\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"font-bold\"\u003eSPECIFICATION DATA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFire resistance: Up to 180 minutes (ASFP TGD19)\u003c\/p\u003e\n\u003cp\u003eAir gap maintained: 25mm\u003c\/p\u003e\n\u003cp\u003eMaximum cavity tested: 450mm\u003c\/p\u003e\n\u003cp\u003eFixing brackets: Included as standard\u003c\/p\u003e\n\u003cp\u003eTypical use: Open-state ventilated external wall cavities\u003c\/p\u003e","brand":"Nullifire","offers":[{"title":"Default Title","offer_id":54985202893142,"sku":"BGSZBDR","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/9282\/3894\/files\/UmbracoPDPMain_Nullifire_FV125_25mm_EN_03_2025_PRINT.jpg?v=1786962831","url":"https:\/\/www.fpdlsupplies.co.uk\/products\/nullifire-fv125-large-ventilated-cavity-barrier","provider":"FPDL Supplies","version":"1.0","type":"link"}