
Fire-Rated Service Doors 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.
Fire-Rated Door 634 Mounting Chart

Slat selection and finishes
Fire door slats are available in curved or flat profile in either galvanized or stainless steel. Galvanized slats are finished with a rust-inhibitive, roll-coating process that incorporates baked-on prime paint, and a baked-on polyester top coat of gray, tan, white or brown. Stainless steel slats are manufactured with a No. 4 brushed finish.
Design Highlights
Color Options
Actual door color may vary from the digital representation shown here. Actual color samples are available by request through your Overhead Door™ Distributor.
Powder Coat Color Options
PowderGuard® Premium powder coat finish options are available in approximately 200 colors as well as custom matching to specification. PowderGuard® Textured finish, a thicker, more scratch resistant coat, is available in 11 colors providing enhanced scratch resistance as well as aiding in hiding the dirt and blemishes that often occur in commercial environments.
Design Options
- Factory Mutual (FM) label optional
- Operation: push-up, chain hoist, crank and electric motor (RHX® or RSX®)
- Fire Sentinel® time-delay release device
- FireLite® vision lites
- UL-listed brush-type smoke seals
- Flame baffle system (required for FM label)
- Smoke detectors
- Horns and horns with strobes
- Cylinder locking bottom bar with mortise cylinder
- Wind load (FBC, TDI, Miami-Dade)
- PowderGuard® Premium powder coat finish options are available in approximately 200 colors as well as custom matching to specification.
- PowderGuard® Zinc and PowderGuard® Weathered finishes
Applications



