Angle Frame Pedestrian Loading Double Door Retrofit

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The retrofit angle frame floor access door is designed for interior and exterior applications where watertightness is not required. The frame is to be installed into an existing opening.

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Material: Aluminum, steel or stainless steel available
Frame: 1/4” material with horizontal flange that is 9/16” diameter holes for bolting into the existing opening and an integral door seat on all four sides
Covers: 1/4” diamond plate reinforced for 300 PSF Pedestrian loads
Hardware: All 316 SS nuts, bolts and washers
Hold-Open Device: 316 SS Hold-open arm with secondary latch mechanism
Lock device: Staple for padlock protrudes through cover
Lift Handle: Recessed lift handle lays flush with top of cover
Warranty: Ten (10) years on aluminum, five (5) years on steel and stainless steel

Optional Features

  • Stainless steel horizontal springs or gas shocks for easy opening
  • 316 Stainless steel watertight slamlock and other locking devices
  • Bituminous coating on frame surface in contact with concrete
  • Cushion for noise dampening
  • Nut rails with stainless steel sliding nuts for attaching cable holders, brackets & other hardware
  • Fiberglass insulation with metal liner
  • Custom lettering
  • Anodized finish
  • Stainless steel safety chains with aluminum support posts
  • Fall Through Protection Systems
  • Slip resistant surface bonded to cover plate
  • All steel or stainless steel material (no beveled edge)
  • Mounting holes on vertical/inside frame wall for security
  • Reading Lid


The floor access door shall be Model APD as manufactured by USF Fabrication, Inc. with the size being specified on the plans. Door leaves shall be 1/4-inch thick aluminum diamond plate reinforced to a 300 p.s.f. live load. The frame shall be extruded aluminum with an integral anchor flange and door seat on all four sides. The floor access door shall be equipped with a flush lifting handle that does not protrude above the cover, and 316 stainless steel hold open arms with secondary latch mechanism that automatically keep the covers in their upright, open positions. The door shall have 316 stainless steel hinges with 316 stainless steel tamper resistant bolts/locknuts. A staple for a padlock shall be supplied for security. Installation shall be in accordance with the manufacturer’s attached instructions. The door shall be manufactured and assembled in the United States.

Light Vehicular / Occasional Truck Traffic

ASTM C1802-20 Load Level 3 & 4