Acudor FW-5050 Insulated Fire Rated Stainless Steel Access Door Fire Rated Access Door • Walls: 1 1/2 hr. U.L. "B" label @ max temp of 250° • Ceilings: Warnock Hersey Int., 3 hr. rated • Concealed hinge • Available with galv anized steel drywall bead flange • Available in Steel or Stainless Steel • Also available in an UPSWING Fire Rated Door (FW-5050-UP) • Standard with universal self latching bolt operated by knurled knob/flush key. Acudor FW-5050 Insul ated Fire Rated Stainless Steel Access Door Description The Acudor FW-5050 is a fire rated access door approved for use in walls and ceilings. For walls, this door has a Underwriters Laboratories (UL and ULC), 1-1/2 hour "B" label, with a maximum te mperature rise of 250 degrees after 30 minutes. This door should be used in walls when temperature rise or heat transmission is a factor. For fire rated ceilings, this door has been approved by Warnock Hersey International for 3 hours (max. size to 2 4" X 36"). For drywall applications, this door is available with a galvanized steel drywall taping bead flange. (FW-5050-DW) Acudor FW-5050 Insulated Fire Rated Stainless Steel Access Door Specifications Access Door Material: Steel or Stainless St eel: 20 gage door, 16 gage mounting frame. Access Door: Filled with 2" thick fire rated insulation. Access Door Frame: Flange to be 1" wide, mounting frame to have anchor straps (optional). Access Door Hinge: Concealed. Access Door Fire Rating: W alls - UL/ULC 1-1/2 hour "B" label with 250 degree temp. rise. Ceilings - Warnock Hersey International - 3 hours. Access Door Latch: Universal self-latching bolt, operated by either a knurled knob or flush key. Access Door Finish: Steel: 5-stage i ron phosphate preparation with prime coat of gray baked enamel. Stainless Steel: #4 satin polish. * Dimensions are W x