- When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80.
- Category J gaskets for use with listed steel frames and/or classified steel-covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes.
Ratings
Air Infiltration Tested
Smoke Tested - UL1784
Fire Rated - UL10C - Positive Pressure
Underwriters Laboratory 4L10
GREENGUARD Gold Certified