WB DW 400 Series

Flush Drywall Access Doors with Tape-in Flange

Sizes & Specifications

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Williams Brothers - WB DW 400 Series Recessed Drywall Access Door / Panel with Tape-In Flange

Drywall Panel with Tape-in Flange Provides a Trimless Appearance to Eliminate Visual Distraction!

The WB DW 400 Series Flush Drywall Access Door with Tape-in Flange 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
  • Casing Bead: 1″ Wide, Perforated 24 Gauge Galvanized Drywall Flange
  • Finish: White Baked Enamel, Paintable Surface
  • Latches: Flush, Stainless Steel Cam Latch (opens with screwdriver)
  • Hinges: Fully-concealed Offset Hinge Up to and Including 24″ x 24″ (allows opening to 165°), Over 24″ x 24″ is Semi-concealed (allows opening to 180°)
  • Applications: Walls, Ceilings


  • Finishes: Stainless Steel, Custom Colors
  • Locks: WB Cylinder Lock (keyed alike with 2 keys per lock), Mortise Lock (with or without core)
  • Gasket: Weather-resistant Neoprene on 3 Sides
  • Custom Sizes: Available on Request


Absolutely the Best Tape-in Drywall Access Panel in the Industry!


The WB DW 400 drywall 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. In addition, panel also comes with plastic grommets so that cam latches can be easily accessed. Options include locks and gaskets plus stainless steel construction and custom colors. For a recessed door able to accept gypsum, see our WB RDW 410 Series.

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