Fire Stop Fire, Smoke & Acoustic Rated Letterbox – 306 x 70mm Polished Silver
£26.95
- Description
Description
Product Overview
Enhance both the safety and aesthetic of residential fire door assemblies with the Astro Eco Telescopic Letterbox. Specifically engineered for multiple occupancy buildings, this sophisticated ABS-framed letterbox combines sleek design with critical fire-protection technology. The system features a high-performance intumescent liner that expands rapidly during a fire, sealing the aperture to prevent the spread of flames and smoke while maintaining door integrity.
This Listing: Polished Silver (Contract Chrome) finish in 306mm x 70mm Commercial size, complete with internal flap and aperture liner
Key Features
- 30-Minute Fire Rating: Tested to BS 476 Part 20 & 22: 1987 and EN 1634-1: 2004 for dependable fire protection.
- Smoke Control Tested: Certified to BS EN 1634-3: 2004 to help prevent the spread of smoke through your door.
- Acoustic Performance: Achieves 32dB Rw, helping to reduce unwanted noise from outside.
- Adjustable Telescopic Fitting: Designed for quick and secure installation across a range of door thicknesses.
- Intumescent Liner: High-performance liner expands rapidly in a fire to seal the opening and maintain the integrity of your fire door.
- Draught & Sound Protection: Fitted with brush pile draught excluders, integral sound-dampening bumpers and a fully sealed backplate for improved thermal and acoustic performance.
- Wide Opening Flaps: Metal letter flaps open to 180°, making posting letters and small parcels easy.
- Stylish & Durable: Sleek black ABS frame with a polished silver (contract chrome) metal flap for a smart, professional finish.
- Complete with Fittings: Supplied with an internal flap and aperture liner for a neat, secure finish on both sides of the door.
Built for Compliance, Designed for Everyday Use
Specifically developed for multi-occupancy residential buildings, the Astro Eco Telescopic Letterbox meets the demanding safety standards required for fire doors. From its smoke-sealing performance to its acoustic insulation, it’s a practical upgrade that helps protect occupants and improve everyday comfort.
Specifications
| Feature | Details |
|---|---|
| Size | 12″ Commercial: 306mm x 70mm (overall) |
| Cut-out required | 274mm x 57mm |
| Finish | Polished Silver (Contract Chrome) |
| Frame | Black ABS frame |
| Letter flaps | Metal, opens to 180° |
| Fire rating | 30 minutes (tested to BS 476 Part 20 & 22: 1987 & EN 1634-1: 2004) |
| Smoke testing | BS EN 1634-3: 2004 |
| Acoustic performance | 32dB Rw |
| Additional testing | BS EN 13724 Clause 6.6.5 |
| Included | Internal flap and aperture liner |
| Other finishes available | Satin Aluminium, Chrome Plated, Stainless Steel, Polished Brass, Polished Gold |
| Other sizes available | 10″ Standard (272mm x 70mm) – cut-out 241mm x 57mm |
