Product Covered:
Amrican Steel Products 20-180 Minute Vertically Stiffened Steel Swinging Fire Door.
Singles
Maximum Door Size: 4' 0" wide x 8' 0" high
Pairs
Maximum Standard Pair: 8'0" wide x 8'0" high
Maximum Door Size: 4' 0" wide x 8' 0" high each leaf
* 3 hour pairs must have astragal
**Minimum standard 3 pt latching required (single pt on active leaf and top and bottom latching on the inactive leaf.)
Per UL 10B, UL 10C, NFPA 252, and CAN/ULC S104.
Installation per NFPA 80 and Manufacturers Installation Instructions.