Quick Spec

Door:
FCRM 1/4" aluminum diamond tread plate.

Frame: 
1/4" extruded aluminum angle frame.

Hinge:
Type 316 stainless steel butt hinge

Spring:
Type 316 stainless steel gas springs, which restrains door in 90° open position and allows close by gravity

Latch:
Type 316 stainless steel 2-point latch with inside pull handle and outside removable T-handle
Optional: 165°F fusible-link self-closing mechanism per NFPA 80

Finish:
Mill finish. Frames provided with protective epoxy coating at areas that contact concrete

Load Cap:
150 psf Standard Load Capacity

Testing Std:
NFPA 288 (formerly referred to as a ASTM E 119) maximum temperature rise to 250˚ in 30 min.; 2 or 3-hour rating and NFPA 251 in floor/ceiling assembly. Subjected to hose stream test per NFPA 252, UL10(b), UBC, CAN/ULC-S104, and UB-106

Listing:
Sizes up to and including 48 x 60 are rated for 2 or 3-hour rating. NFPA 288 (maximum temperature rise to 250˚F.)