Manufacturer USF Fabrication Floor Access Doors
Trough Framed Aluminum Pedestrian Floor Access Door by USF

General Purpose TPS Floor Access Door

U.S.F Fabrication, Inc. Aluminum Floor Access Doors are for general purpose use. Trough (drainage) Frame, Pedestrian, Single Cover flush installation in new cast-in-concrete applications, reinforced for 300 pounds per square foot (psf) loading.

Standard Specifications:

The trough frame floor access door shall be Model TPS as manufactured by U.S.F. Fabrication, Inc. with the size being specified on the plans.

Cover: 1/4-inch (6.4mm) aluminum diamond plate cover reinforced for 300 psf (1465 kg/m2) live load. Equipped with cast aluminum flush lifting handle and 316 stainless steel hold-open arm with red vinyl grip that automatically keeps the cover in its open/upright position.

Frame: Extruded aluminum trough section with integral anchor flange on all four sides. The frame has an EPDM odor reduction gasket and 1 1/2" (38mm) threaded drain coupling.

Hardware: 316 stainless steel hinges and tamper resistant bolts/lock nuts.

Security: Aluminum staple protrudes through cover for a user-supplied padlock.

Finish: Aluminum cover and frame have mill finish which is protected during shipping and installation by an attached adhesive-backed vinyl material.

Installation: Installation shall be in accordance with the manufacturer’s instructions.

Warranty: Manufacturer shall guarantee against defects in materials and workmanship for a period of ten years.


  • Stainless steel horizontal springs for easy opening
  • Stainless steel watertight slamlock and other locking devices
  • Frame skirts for easy casting into a concrete top slab
  • Odor reduction gasket riveted to frame
  • Fiberglass insulation with metal liner
  • Nut rails with stainless steel sliding nuts for attaching cable holders, brackets and other hardware
  • Custom lettering
  • Stainless steel safety chains with aluminum support posts
  • Fall Trough Prevention Systems
  • Side drain threaded coupling (instead of standard bottom drain)
  • Slip resistant surface bonded to cover plate
  • Reading lid




Frame Opening Overall Size Weight
24" x 24"
32" x 32"
24" x 30"
32" x 38"
24" x 36"
32" x 44"
30" x 30"
38" x 38"
30" x 36"
38" x 44"
30" x 48"
38" x 56"
36" x 36"
44" x 44"
36" x 48"
44" x 56"
42" x 42"
50" x 50"

Custom sizes and special orders are available.

Additional Product Literature
Data Sheet