DOORS
Specifications are: ASTM A 240/A 240M, Doors are fabricated 100% with Type 304 Stainless Steel, Stainless Steel Hinges, back panel of the door and the door frame. Class B labeled: 1-1/2 hour fire rated with 30-minute temperature rise of 250 degrees Fahrenheit and a frame suitable for enclosing multiple type chase construction.
U.L. approved both in the United States and Canada.