Material: Cover and frame are 1/4" aluminum
Cover: Aluminum plate reinforced for 150 psf (732 kg/m2) live load
Frame: Extruded aluminum frame with built in anchor flange around the perimeter
Finish: Mill finish aluminum with a bituminous coating applied to the exterior of the frame
Latch: Pneumatic self closing system that automatically closes the door in the event of a fire when heat parts a
UL-listed 165°F (74°C) fusible link
Hinges: Continuous heavy-duty Type 316 stainless steel hinge
Lift Assistance: Compression spring operators enclosed in telescopic tubes.
Hardware: Engineered composite compression spring tubes. Steel compression springs with electrocoated acrylic finish.
Type 316 stainless steel hinges. All other hardware is zinc plated/chromate sealed.
Performance Ratings: Tested in accordance with ASTM E119, NFPA 251, BS476: Part 22 and UL-Listed (File R15197) as
having a 2-hour fire rating when exposed to fire from the underside.
Compliance: Self-closing mechanism complies with ASTM E119, NFPA 80, NFPA 251 and BS476: Part 22
• Special Sizes - available on request