{"product_id":"timco-10-intumescent-letterbox-polished-gold-frame-272-x-70mm","title":"272 x 70mm Polished Gold Intumescent Letterbox | Black Frame | 30 Minute Fire Rated | Smoke \u0026 Sound Seal","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003e272 x 70 External Size\u003c\/b\u003e Designed with external dimensions of 272mm x 70mm for a clean, secure fit on fire doors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003e30 Minute Fire \u0026amp; Smoke Stop\u003c\/b\u003e Fire tested (BS EN 1634-1) and Smoke tested (BS 476) to maintain door integrity during a fire.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eAdjustable Door Thickness Fit\u003c\/b\u003e Features an adjustable telescopic sleeve to suit door thicknesses ranging from 40mm to 80mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003e32dB Acoustic Rating\u003c\/b\u003e Acoustic tested to BS EN ISO 140-3: 1995, providing effective sound insulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-path-to-node=\"6,4,0\" data-index-in-node=\"0\"\u003eSecurity \u0026amp; Draught Protection\u003c\/b\u003e Security tested (BS EN 13724) and includes fitted brush pile draught excluders and a fully sealed backplate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eDescription\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThis Intumescent Letterbox features an ABS frame and metal flaps, fitted with a specialized intumescent liner designed for fire door assemblies. The external size is 272mm x 70mm, finished in Polished Gold with a Black Frame. In the event of a fire, the intumescent liner expands rapidly to seal the letterbox opening, preventing the spread of fire and smoke while maintaining the fire integrity of the door assembly. It is Fire tested to BS 476 part 22 and BS EN 1634-1. The letterbox features an adjustable telescopic sleeve to suit door thicknesses between 40mm and 80mm. Additional features include a fully sealed backplate, fitted brush pile draught excluders, and integral sound dampening bumpers, helping it achieve a 32dB Rw Acoustic Rating. It is also Smoke tested to BS 476 part 31\/1: 1983 and Security tested to BS EN 13724 standards.\u003c\/p\u003e","brand":"TIMCO","offers":[{"title":"272 x 70 Intumescent Letterbox - Polished Gold - Black Frame (Box Of 1) - 487158","offer_id":56591768650102,"sku":"487158","price":28.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/5168\/0083\/files\/487158_w1_a48c5a28-e7ed-4f32-a6e0-577d2ce8ad02.jpg?v=1763354889","url":"https:\/\/ukfixingsdirect.com\/products\/timco-10-intumescent-letterbox-polished-gold-frame-272-x-70mm","provider":"Fixings Direct","version":"1.0","type":"link"}