{"product_id":"astra-door-intumescent-pack-for-4000-series","title":"ASTRA DOOR Intumescent Pack For 4000 Series","description":"\u003cp\u003eIntroducing the Astra Door Intumescent Pack, designed specifically for use with the 4000 Series door closers. This essential accessory enhances fire safety by providing a reliable barrier against smoke and flames.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm Size:\u003c\/strong\u003e Perfectly sized for optimal performance and compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored for 4000 Series Closers:\u003c\/strong\u003e Ensures a seamless fit and functionality with your existing door closer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntumescent Technology:\u003c\/strong\u003e Expands when exposed to heat, creating a protective seal that helps prevent the spread of fire and smoke.\u003c\/li\u003e\n\u003cli\u003eUpgrade your door safety with the Astra Door Intumescent Pack today!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aldridge","offers":[{"title":"Default Title","offer_id":44510260297817,"sku":"L35867-AL","price":44.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9035\/8617\/files\/Screenshot2026-08-10160303.png?v=1786370626","url":"https:\/\/metalix.co.uk\/products\/astra-door-intumescent-pack-for-4000-series","provider":"Metalix Hardware","version":"1.0","type":"link"}