The FW-5050 is a fire-rated, insulated access door that one can install in walls and ceilings. This door has a 1-1/2 hour "B" designation from Underwriters Laboratories (UL and ULC), with a maximum temperature increase of 250 degrees after 30 minutes. When temperature rise or heat transfer is a concern, installing this door in the wall is a must. It also has approval from Warnock Hersey International for 3 hours of fire resistance in ceilings (max. size to 24" x 36") 

Other features you can find include:

Material: 20 gauge door, 16 gauge mounting frame.

Lock/Latch: 2 x Universal self-latching bolt, operated by either a knurled knob or flush key. When master keying is required, one can prepare these doors for rim or mortise cylinder locks.

Flange: 1 flange.

Hinge: Concealed pin hinge.

Contact Acudor now at 1-888-622-8367 to purchase them for your construction projects! We also offer different sizes to ensure they fit perfectly on any roof opening.