FireKing® Model 634
Fire-rated service door model 634 is a large fire door with UL, ULC and FM ratings for 1-1/2 hr, 3hr labels. Additional 4 hr UL and oversized labels available. Doors over 18 feet high must be certified by FM. The FireKing® Model 634 rolling fire-rated service door offers superior protection wherever a listed fire door is required.
Additional safety and protection features are available, including:Fire Sentinel® time-delay release device, FireLite® vision lites, smoke detectors, horns and strobes.