The interior of the double-door fire door is filled with perlite board and the surface is welded firmly, the surface is sprayed with plastic, and the paint layer is uniform, flat and smooth.

https://ztfiredoor.com/15615.html

EN two hour fire rated doors,fire door fire rating,36 fire rated door,fire rated crittall style doors,fire rated garage entry door,fire rated internal sliding doors,EN two hour fire rated doors,cost to hang internal fire door,fire rated garage entry door,36 fire rated door,28 inch fire rated door,EN two hour fire rated doors,fire door with viewing panel,36 fire rated door,fire rated door garage to house,fire rated garage entry door