cULus listed fire rating for up to 3 hours
• Full surface, heavy duty
• For narrow faced doors, 13⁄4 –21⁄4″ (44.5– 57mm) thick and up to 48″ (1219mm) wide
• 1⁄16″ (1.5mm) door inset
• 450lbs (204kg) door weight maximum
• Door and frame reinforcement required for door weight greater than 200lbs (90.7kg)
• #12-24x 5⁄8″ (16mm) undercut TEK screws included
• 1/4-20 sex-bolts for doors up to 21⁄4″ (57mm) thick included