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Fire Rated Telescopic Letterbox Matching Frame

Intumescent Fire & Smoke Rated Telescopic Letterboxes

A robust commercial metal framed telescopic letterbox with metal flaps and a high performance intumescent liner. 12" Width 30 / 60 min Fire Rated Letterbox. Adjustable for door thickness from 40-80mm. Choice of 3 letter plate finishes. Fire tested to BS 476 part 22. Smoke Tested to BS 476 part 31.1. BS 2911 Compliant