WB SMP 120 Series

Surface Mounted Access Doors (No Recess Required)

Sizes & Specifications

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Williams Brothers - WB SMP 120 Series Surface Mounted Access Door / Panel (No Recess Required)

Surface Mounted Access Panel Simplifies Installation – No Recess or Framing Required!

WB SMP 120 Series Surface Mounted Access Door (No Recess Required) is a durable, surface-mount flush access panel for wall and ceiling installation that is an ideal solution for applications where there is no room for a framed opening. Four mounting holes located in each corner of the frame make mounting easy. Featuring a heavy-duty, 14 gauge galvanized steel door and a white baked, paintable enamel finish, door is laser cut from one sheet of cold rolled steel with no corner mitering to improve visual aesthetics.


  • 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: Continuous Piano Hinge (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 All 4 Sides
  • Custom Sizes: Available on Request


The WB SMP 120 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, stainless steel cam latches to prevent rust, and an exposed 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.