WB EXT 1350 Ultra Series

Insulated Exterior Access Doors with Locking Paddle Latch

Sizes & Specifications

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Insulated Exterior Access Door / Panel with Locking Paddle Latch

Heavy-duty, Insulated Access Panel Features Weather-resistant Gaskets and Locking Paddle Latch!

The WB EXT 1350 Series Insulated Exterior Access Door with Locking Paddle Latch is a durable, flush access panel designed for installation in exterior walls in applications where both weather resistance and security are required such as crawl space access doors. Featuring heavy-duty, 16 gauge rust resistive, galvannealed steel construction and a white baked, paintable enamel finish, door is one of the few exterior access panels in the industry that features two layers of weather resistant gaskets to help prevent water intrusion (certain saltwater areas might not be compatible).


  • Door: 16 Gauge Galvannealed Steel
  • Frame & Trim: 16 Gauge Galvannealed Steel, 2″ Wide
  • Finish: White Baked Enamel, Paintable Surface
  • Latches: Ultra Lock Paddle Latch with Slam Catch
  • Locks: Paddle Latch Cylinder Lock (keyed alike with 2 keys per lock)
  • Hinges: Continuous Stainless Steel Piano Hinge
  • Insulation: Double layer of 1″ GreenGuard® Extruded Polystyrene Insulation Board (R-Value @ 75° F Mean 5.0 x 2, FM approved)
  • Gasket: Weather Resistant, Double Seal Gasketing
  • Interior Latch Release: Allows Opening of Door from Inside
  • Application: Walls Only, Exterior Use


  • Custom Sizes: Available on Request


WB EXT 1350 Features & Benefits


The WB EXT 1350 exterior 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 semi-concealed hinge, heavy-duty keyed cylinder paddle latch with interior release, gaskets, GreenGuard insulation, and an exposed flange.

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