A robust commercial metal framed telescopic letterbox with metal flaps and a high performance intumescent liner.

In the event of a fire the intumescent liner expands to seal the letterbox aperture and retains the fire integrity of the door.

Fire and smoke rated for 30 or 60 minutes.

Fitted with brush pile draught excluders and sound dampening bumpers with a fully sealed backplate.

Available in Satin Anodised Aluminium, Polished Gold and Polished Silver finishes.

Typical application: fitting to fire doors in multiple occupancy residential buildings.

Cut out required on this size is 274mm x 57mm. Brushes are designed to go on the inside for maximum protection and draught proofing.

The overall size is 306mm x 70mm and comes as a 30/60 minute rated intumescent telescopic letterbox system with matching metal frame and metal letter plate flaps available in three finishes:

• Satin Anodised Aluminium
• Polished Gold Anodised
• Polished Silver

Letterbox flaps open to 115°.

Smoke Testing was conducted to BS EN 1634-3: 2004 smoke control tests for door and shutter assemblies, openable windows and elements of building hardware – Part 3: Smoke control test for door and shutter assemblies.

For data sheets, test reports and more information please copy and paste this link into your browser: https://www.astroflame.com/intumescent-telescopic-letterbox-fxc60.html