Fire Rated Access Doors for Plaster

The Williams Brothers fire rated plaster access door is constructed for all plaster walls and ceilings. The 1/4" safety edge gives the door a durable frame and inhibits the plaster from being chipped under normal use.  The plaster bead accommodates 3/4" of plaster.

  • Door: 18 ga. steel
  • Trim: 16 ga. steel, 3” wide perforated plaster flange of 24 ga. galvanized material
  • Finish: Primed grey baked enamel
  • Optional Finish:  304 Stainless steel
  • Latches: Self-latching direct action latch, accepts both key and knurled knob,
  • Hinge: Fully concealed, pivot rod type hinge. Allows opening to 140°
  • Insulation: 2” thick mineral wool (ThermaFiber®), in between two pieces of 22 ga. steel
  • Ceiling Installation: Largest size acceptable is up to and including 24” x 36” 
  • 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
ACC1212PL-FR 12" x 12"
ACC1414PL-FR 14" x 14"
ACC1616PL-FR 16" x 16"
ACC1818PL-FR 18" x 18"
ACC2424PL-FR 24" x 24"
ACC2436PL-FR 24" x 36"