Insulated Fire Commercial Doors
Double-slat curtain construction
Insulated Fire Doors utilize a double-slat curtain construction with a mineral wool core to combine the fire protection properties of HL fire doors with the benefits of thermal insulation and sound control for openings up to 44' wide and 24' high.
Commercial Doors Direct offers a wide array of rolling steel doors to meet the most demanding fire safety standards, unusual opening sizes and discerning aesthetic requirements. Designed to close automatically in the event of a fire or alarmed event, our fire-rated doors are available for service door and counter applications in commercial, industrial, institutional and retail projects.
All doors comply with NFPA-80, and are listed for both masonry and non-masonry applications. Our Fire Doors offers fire protetion, innovative design, and optimized performance for the end user. The Fire Sentinel® time-delay release device provides an added measure of safety to control the doors' closure.
- Designs for up to 100,000 operating cycles
- Stainless steel doors (to 36 ft. wide)
- Heavier gauge slats
- UL-listed brush seals (included with S-label)
- Sloping or irregular shaped bottom bars
- Galvanized or powder coat ﬁnishes