{"product_id":"allvent-circular-intumescent-fire-damper-w-rigid-steel-framed-grille","title":"Allvent Circular Intumescent Fire Damper - w\/ Rigid Steel Framed Grille","description":"\u003cp\u003eThe \u003cstrong\u003eAllvent Circular Intumescent Fire Damper\u003c\/strong\u003e allows ventilation airflow through \u003cstrong\u003efire-rated walls and floors\u003c\/strong\u003e, with up to \u003cstrong\u003e2 hours of fire protection\u003c\/strong\u003e in suitable installations. Its rigid steel-framed grille contains intumescent material that expands when exposed to heat, forming a fire stop barrier.\u003c\/p\u003e\u003cp\u003eDesigned for builders, ventilation installers and maintenance professionals, this \u003cstrong\u003ecircular fire damper\u003c\/strong\u003e can be fitted into steel ductwork. During normal operation, its open grille allows air to pass through the ventilation opening. The design has \u003cstrong\u003eno moving parts\u003c\/strong\u003e, eliminating the need for operational checks on moving damper components.\u003c\/p\u003e\u003cp\u003eChoose from six nominal sizes to suit your ventilation installation. Add the Allvent Circular Intumescent Fire Damper to your cart for your next project.\u003c\/p\u003e","brand":"Allvent","offers":[{"title":"ALVIFDR4 | 100MM","offer_id":67861694710069,"sku":"DUCT31301","price":189.95,"currency_code":"AUD","in_stock":true},{"title":"ALVIFDR5 | 125MM","offer_id":67861694742837,"sku":"DUCT31302","price":219.95,"currency_code":"AUD","in_stock":true},{"title":"ALVIFDR6 | 150MM","offer_id":67861694775605,"sku":"DUCT31303","price":239.95,"currency_code":"AUD","in_stock":true},{"title":"ALVIFDR8 | 200MM","offer_id":67861694808373,"sku":"DUCT31304","price":399.95,"currency_code":"AUD","in_stock":true},{"title":"ALVIFDR10 | 250MM","offer_id":67861694841141,"sku":"DUCT31305","price":549.95,"currency_code":"AUD","in_stock":true},{"title":"ALVIFDR12 | 300MM","offer_id":67861694873909,"sku":"DUCT31306","price":1199.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6758\/2517\/files\/DUCT31300.alt_11.png?v=1792457178","url":"https:\/\/ventexperts.com.au\/products\/allvent-circular-intumescent-fire-damper-w-rigid-steel-framed-grille","provider":"Vent Experts","version":"1.0","type":"link"}