Fire Rated General Purpose Access Doors

The Williams Brothers fire rated general purpose access door can be used wherever it is necessary to provide service access to shafts and any other location which must have a fire rating. Designed and approved for wall and ceiling installation.

Specifications: 
  • Door: 18 ga. steel
  • Trim: 16 ga. steel with 2½" depth
  • Insulation: 2" thick mineral wool 
  • Finish: Primed grey baked enamel
  • Optional Finish:  304 Stainless steel
  • Latch: Self-latching direct action latch with knurled knob lock and 1 flush key
  • Hinge: Fully concealed, pivot rod type hinge. Allows opening to 140°.
  • 1 hour fire rated combustible floor and ceiling assembly (Certified by Warnock Hersey).
  • 3 hour fire rated non-combustible floor and ceiling assembly (Certified by Warnock Hersey).
Part Number Size
ACC88-FR 8" x 8"
ACC1010-FR 10" x 10"
ACC1212-FR 12" x 12"
ACC1218-FR 12" x 18"
ACC1224-FR 12" x 24"
ACC1414-FR 14" x 14"
ACC1616-FR 16" x 16"
ACC1818-FR 18" x 18"
ACC1824-FR 18" x 24"
ACC2020-FR 20" x 20"
ACC2024-FR 20" x 24"
ACC2030-FR 20" x 30"
ACC2136-FR 21" x 36"
ACC2222-FR 22" x 22"
ACC2224-FR 22" x 24"
ACC2230-FR 22" x 30"
ACC2236-FR 22" x 36"
ACC2424-FR 24" x 24"
ACC2430-FR 24" x 30"
ACC2436-FR 24" x 36"
ACC2448-FR 24" x 48"
ACC3030-FR 30" x 30"
ACC3232-FR 32" x 32"
ACC3636-FR 36" x 36"
ACC3648-FR 36" x 48"
ACC4848-FR 48" x 48"