- 26
- Mar
UL fire rated pocket sliding doors,fire proof metal door,fire rated industrial doors
The fire resistance time of Class B steel fire door shall not be less than 1.0 hour, and the hardware fittings used on the fire door must also be fire-resistant hardware fittings.
https://ztfiredoor.com/25418.html
UL fire rated pocket sliding doors,fire proof metal door,28 inch fire rated door,fire rated industrial doors,fireproof interior doors,UL fire rated pocket sliding doors,fire resistant door to garage,fireproof door price,fire rated industrial doors,32 fire rated door,fire proof metal door,custom fire rated doors,fire rated main door,fire rated industrial doors,fire rated external doors,fire proof metal door,self closing fire rated door,UL fire rated pocket sliding doors