Multifunctional Automatic Door Bottom Sweep With Fully U Shape Silicone Strips

Concealed Automatic Door Bottom Seals Aluminium Alloy with Fully U Shape Silicone Strips and Fireproof Graphite Strips

Features:

This Automatic Door Bottom Seals is come with the Graphite fireproof seals around the seals.  

It is come with a fully-covered U-shaped silicone rubber sealing strip, which can reduce the noise generated when the sealing strip is raised and dropped down. 

This special-purpose door bottom seals give optimal results to help meet the biggest challenges in sealing door:

High-level sound control achieved with unique, patented design features.

Blocking fire, smoke and toxic gases with integral intumescent material. 

This kinds of Automatic door bottom seals serve many important functions, including blocking below things:

1, Sound
2, Air

3, Smoke

4, Flames
5, Insects
6, Dust
7, Wind

Specifications: