WB FR-SMP 840 Series

Fire Rated Surface Mounted Access Door for Walls

Sizes & Specifications

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Williams Brothers - WB FR SMP 840 Series Surface Mounted Fire-Rated Access Doors for Walls

Fire-Rated Access Door Mounts Directly to Wall Surface with No Recessed Framing Required!

WB FR-SMP 840 Series Fire-Rated Surface Mounted Access Door for Walls is a durable, surface-mount flush access panel for wall installation that is an ideal solution for applications where there is no room for a framed opening and fire resistance is required. Featuring heavy duty, 16 gauge steel construction with a white baked, paintable enamel finish, door is fire-rated for 2 hours in vertical installations. Four mounting holes located in each corner of the frame make mounting easy. In addition, door is laser cut from one sheet of cold rolled steel with no corner mitering to improve visual aesthetics.


  • Door: 16 Gauge Steel with Radius Corners, 5/8″ Deep
  • Frame & Trim: 16 Gauge Steel, 1″ Wide Flange
  • Finish: White Baked Enamel, Paintable Surface
  • Latches: Self-latching Slam Catch
  • Lock: 1/4″ Allen Key Operated Lock
  • Hinges: Continuous Piano Hinge (allows opening to 140°)
  • Automatic Door Closer: Spring Closer
  • Interior Latch Release: Allows Opening of Door from Inside
  • Fire Rating: Warnock-Hersey Approved for 2 Hours (vertical installation)
  • Applications: Walls Only


  • Custom Sizes: Available on Request


The WB FR-SMP 840 fire-rated access panel is available in a wide variety of sizes including 6×6, 8×8, 10×10, 12×12, 18×18 and 24×24. In addition, custom sizes are available upon request. Door features radius corners, stainless steel cam latches to prevent rust, and an exposed flange. In addition, this self-closing and locking panel includes an automatic spring closer, Allen key operated lock and an interior release so it can be opened from the inside.

Manufactured for The Williams Brothers Corporation of America. MADE IN USA.