WB GP 100 Series

14 Gauge Premium Access Doors

Sizes & Specifications

Buy Online

Williams Brothers - WB GP 100 Series 14 Gauge Premium Access Door / Panel

The Best Universal Access Panel in the Industry!

The WB GP 100 Series Premium Access Door is a durable, general purpose flush access panel that is ideal for wall or ceiling installation. Featuring a heavy-duty, 14 gauge steel door and a white baked, paintable enamel finish, the WB GP 100 is considered the best general purpose access door on the market. Specified by architects world-wide, this access panel far surpasses other doors because its one-piece surround trim is welded on all four sides to the return frame providing strength and rigidity.


  • Door: 14 Gauge Steel with Radius Corners
  • Frame & Trim: 16 Gauge Steel, 1-1/2″ Wide 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 (see Model GP SS 100), 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
  • Louvers: 1/4, 1/2 or Full Louvers (see Model GP LV 103)
  • Custom Sizes: Available on Request


Absolutely the Best Universal Access Panel in the Industry!


The WB GP 100 metal access panel is available in a wide variety of sizes including 8×8, 12×12, 14×14, 16×16, 24×24, and more. In addition, custom sizes are available upon request. Door features radius corners, concealed hinge, stainless steel cam latches to prevent rust, and an exposed flange. Options include locks, gaskets and louvers plus stainless steel construction and custom colors. For a more cost-effective access panel, see our WB BASIC 300 Series.

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