PRODUCT COVERED
Access Door/Frame Assembly (20 gauge Door) (Cold-Rolled Steel) (Insulated) (Key-Operated or Latch-Operated) for installation in Horizontal Floor/Ceiling Assemblies, Uni-Frad*.
Maximum Size of Openings: 24" wide x 36" high
Ratings: 1 Hour: Wood Framed Assemblies
3 Hour: Non-Combustible Assemblies
Access Door/Frame Assembly (20 gauge Door) (Cold-Rolled Steel) (Insulated) (Key-Operated or Latch-Operated) for installation in Vertical Wall Assemblies, Uni-Frad*.
Maximum Size of Openings: 48" wide x 48" high
Ratings: 1-1/2 Hour
Temperature Rise: 250° at 30 minutes
RATINGS
Horizontal (ceiling) openings (to UBC 43-7)
3-hour in non-combustible assemblies
1-hour in wood framed assemblies
Vertical (wall) openings (ASTM E152, NFPA 252, UBC 43-7, CAN4-S104, UL 10B)
1-1/2-hour; temperature rise - 250 degrees F at 20 minutes in steel stud/wood stud drywall and masonry openings.
*Manufacturer's Designation