42 x 42 Recessed Aluminum Floor Hatch for Concrete or Tile – WB R-TPS 8400 Series


This rugged, recessed floor access door is designed for new or existing openings in both interior and exterior applications including commercial floors, residential floors, and utility floors. Featuring a heavy-duty, 1/4” reinforced aluminum cover and extruded aluminum frame both with a mill finish, hatch is recessed to accept concrete or tile enabling this floor door to blend in seamlessly with the surrounding environment. In addition, door is reinforced for pedestrian traffic and can safely handle 300 psf loading. MADE IN USA.

Note: A drawing of your exact floor hatch will be supplied upon order for approval.

Select Flooring Type * 

Model #

WB R-TPS 8400 42X42


WB R-TPS 8400

Door Size (WxH)

42" x 42"

Rough Opening (WxH)

Contact Factory

Shipping Weight

140 lbs.


1/4" Reinforced Aluminum Smooth Plate


1" Recess to Receive Concrete or Tile (If recess is to be filled with concrete or other cast material, the door is furnished with anchor clips and wire mesh)


Extruded Aluminum with Integral Anchor Flange and Door Seat on All Four Sides (includes groove to receive a cushion for noise dampening)


Mill Finish – All Parts of the Frame in Contact with Concrete have a Coating of Bituminous Paint


Watertight 316 Stainless Steel Slamlock with Threaded Plug, Removable Outside Key, and Fixed Inside Handle (the slamlock latches onto a 316 SS striker plate that is bolted to the frame)


Continuous 316 Stainless Steel Hinge, Flush with Cover Surface

Lift Assistance

Stainless Steel Compression Springs for Lift Assist Contained Within the Frame

Automatic Hold-open Arm

316 Stainless Steel Hold-open Arm with Vinyl Grip That Automatically Keeps the Cover in its Open/Upright Position at 90°


316 Stainless Steel Hinges and Tamper Resistant Bolts/Lock Nuts


300 psf (1465 kg/m2) Live Load


Styles Available for both New and Existing Openings

Custom Sizes

Available on Request

WB R-TPS 8400 Series Dimension Drawing