WB TYPE T & TD Series

Recessed Aluminum Floor Hatch (Carpet/Composition)

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Williams Brothers - WB Type T & TD Series Recessed Aluminum Floor Hatch / Door (Carpet/Composition)

Recessed Aluminum Floor Hatch for Carpet or Composition Flooring!

Aluminum non-drainage door accepts carpet and composition flooring material 1/8″ or 3/16″ in thickness. Single or double leaf doors are virtually hidden in interior applications. Features cover and frame mounted molding strips to accept floor covering and Type K hardware and construction. By Bilco.


  • Cover: 1/4″ Reinforced Steel Diamond-pattern Tread Plate
  • Frame: 1/4″ Steel Angle Frame with Strap Anchors Welded Around the Perimeter
  • Recess: 1/8″ or 3/16″ Available
  • Finish: Mill Finish Aluminum with Bituminous Coating Applied to Exterior of Frame
  • Latch: Type 316 Stainless Steel Slam Lock with Fixed Interior Handle and Removable Exterior Turn/Lift Handle
  • Hinges: Concealed Cast Steel Cam-action Hinges
  • Lift Assistance: Torsion Bars that Pivot on Cam-action Hinges
  • Automatic Hold-open Arm: Automatic Hold-open Arm with Grip Handle Release
  • Hardware: Zinc Plated/Chromate Sealed
  • Loading: 150 psf (732 kg/m2) Live Load


  • Custom Sizes: Available on Request

Models Available

  • T-1 Aluminum – 24″ x 24″
  • T-2 Aluminum – 30″ x 30″
  • T-3 Aluminum – 36″ x 30″
  • T-4 Aluminum – 36″ x 36″

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