Aluminium Alloy Automatic Door Bottom Seals With Fireproof Strips Seals

Concealed Automatic Door Bottom Seals Automatically Drop Down Aluminium Alloy Weatherstrips for Wooden Door 14*30mm

Features:

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

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: