Manufacturer USF Fabrication Floor Access Doors
SKU: APS300-Steel
Steel Angle Frame Floor Access Door by USF

General Purpose APS300 Steel Floor Access Door

USF APS300 Steel Angle Frame, General Purpose Floor Access Doors are ideal for interior and exterior applications where a watertight seal is not required. Flush installation in new cast-in-concrete applications, reinforced for 300 pounds per square foot (psf) loading. Angle frame access doors are the quality, economical solution for utility and general building applications where rainwater intrusion is not a concern.

Standard Specifications

The angle frame floor access door shall be Model APS300 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 with integral anchor flange and door seat on all four sides.

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
  • 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
  • Slip resistant surface bonded to cover plate
  • Reading lid
  • Mill finish (no shop primer)
  • Hot dipped galvanized finish
  • All 304 stainless steel material
  • All 316 stainless steel material



Frame Opening Overall Size Weight
24" x 24"
31" x 30"
24" x 30"
31" x 36"
24" x 36"
31" x 42"
30" x 30"
37" x 36"
30" x 36"
37" x 42"
30" x 48"
37" x 54"
36" x 36"
43" x 42"
36" x 48"
43" x 54"
42" x 42"
49" x 48"

Custom sizes and special orders are available

Additional Product Literature
Data Sheet