WB PL 500 Series

Flush Plaster Bead Access Doors

Sizes & Specifications

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Williams Brothers - WB PL 500 Series Flush Plaster Access Door / Panel

Flush Panel with Mud-in Flange Provides a Concealed Finish in Plaster Walls and Ceilings!

The WB PL 500 Series Flush Plaster Bead Access Door is a durable, flush access panel designed for installation drywall walls and ceilings in applications where a concealed appearance is desired. Featuring a heavy-duty, 14 gauge steel door and a white baked, paintable enamel finish, door gives you the option of painting it to match the surrounding wall or ceiling. In addition, with its concealed tape-in flange, door eliminates the visual distraction created by projecting, surface-mounted units.


  • Door: 14 Gauge Steel
  • Frame & Trim: 16 Gauge Steel, 1/4″ Wide Safety Edge
  • Plaster Bead: 3″ Wide 24 Gauge Galvanized Casing Bead and Expanded Metal Lath (the space from the expanded flange to the 1/4″ safety edge of the door will accommodate 3/4″ of plaster)
  • Finish: White Baked Enamel, Paintable Surface
  • Latches: Flush, Stainless Steel Cam Latch (opens with screwdriver)
  • Hinges: Fully-concealed Offset Hinge on Sizes Up to and Including 24″ x 24″ (allows opening to 165°), Over 24″ x 24″ is Semi-concealed (allows opening to 180°)
  • Application: Walls, Ceilings


  • Finishes: Stainless Steel, Custom Colors
  • Locks: WB Cylinder Lock (keyed alike with 2 keys per lock)
  • Gasket: Weather-resistant Neoprene on 3 Sides
  • Custom Sizes: Available on Request


WB PL 500 Features & Benefits


The WB PL 500 plaster access panel is available in a variety of sizes including 8×8, 12×12, 16×16, 18×18, 24×24 and more. In addition, custom sizes are available upon request. Door features a concealed hinge, stainless steel cam latches to prevent rust, and a mud-in drywall flange. Options include locks and gaskets plus stainless steel construction and custom colors.

Manufactured by The Williams Brothers Corporation of America. MADE IN VIRGINIA – USA.