The Astro Telescopic Letter Box FS & FSA system is unique in terms of product quality, flexibility, security, finishes and testing. It can be installed as a refit item or into new doorsets.

This innovative product offers advanced fire protection which are fire & smoke rated from 30 minutes to 1 hour. Our Intumescent Telescopic Letterbox is specifically designed to resist the spread of fire. The intumescent material expands when exposed to high temperatures, forming a tight seal that prevents flames and smoke from infiltrating your building. Protect your property and valuable belongings with this essential fire safety feature.

Equipped with acoustic seals, our telescopic letterbox provides an effective noise barrier. The Astro Telescopic Letter Box FSA system has been tested and carries an Acoustic rating to Rw 31dB* sound reduction on an appropriate door. Enjoy a quieter and more comfortable indoor environment.

Our range of Intumescent Telescopic Letterboxes are simple to install. The design allows for flexible fitting on a wide range of door thicknesses from 42-47mm, 47-52mm and 52-57mm. With simple adjustments, you can achieve a snug and secure fit, guaranteeing optimal performance.

If extra security is needed add the Security Cowl & Latch to the Astro Telescopic Letter Box FS & FSA system. Crafted from robust material that obstructs view from outside, helps prevent manipulation of locks/bolts, tampering, attacks from outside, ensuring the highest level of protection for your property. Please note the Security Cowl & Latch is an additional item and is available with similar finishes to the Intumescent Telescopic Letterboxes.

Our letterbox combines functionality with aesthetic appeal. The sleek design seamlessly integrates with various door styles, adding a touch of elegance to your entrance. Choose from a range of finishes and sizes that are suitable for multiple occupancy residential buildings.

30 minute version available in satin anodised or gold anodised aluminium.

60 minute version available in brushed and polished stainless steel, polished brass.

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