• 30 Minute Fire Protection Fire tested to BS EN 1634-1 and BS 476 part 22 standards, offering reliable fire integrity for 30 minutes.

• Excellent Sound Insulation Acoustic tested to BS EN ISO 140-3: 1995, achieving a 32dB Rw rating for effective noise reduction.

• Adjustable Telescopic Fit Designed with a telescopic sleeve to fit door thicknesses ranging from 40mm up to 80mm.

• Draught & Smoke Sealed Smoke tested with a fully sealed backplate and includes brush pile excluders to minimise air and smoke transfer.

• Satin Anodised Finish Features a modern Satin Anodised Aluminium finish with a silver frame for durability and style.

Description

This Intumescent Letterbox offers essential fire protection, noise insulation, and security in a durable, contemporary design. The external size measures 305mm x 70mm, finished in Satin Anodised Aluminium with a silver frame. It is fire tested to BS EN 1634-1 and BS 476 part 22, providing a reliable 30-minute fire rating. The unit features an adjustable telescopic sleeve to fit doors with a thickness range of 40mm to 80mm. For thermal and acoustic performance, it includes fitted brush pile draught excluders and integral sound dampening bumpers, achieving a 32dB Rw Acoustic Rating. It is also smoke tested to BS 476 part 31/1: 1983 with a fully sealed backplate to block smoke passage. The letterbox has been security tested to BS EN 13724 standards, ensuring comprehensive protection. Fixings are included for fast installation.