WB H-APS 8100 Series

H-20 Loading Aluminum Diamond Plate Floor Hatches

Sizes & Specifications

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Williams Brothers - WB H-APS 8100 Series H-20 Loading Aluminum Diamond Plate Floor Hatches

Rugged, Aluminum Diamond Plate Floor Hatch is Rated for H-20 Loading!

The WB H-APS 8100 Series H-20 Loading Aluminum Diamond Plate Floor Hatch is a rugged, flush access door designed for new or existing openings in both interior and exterior applications in areas where watertightness is not required. Hatch is reinforced to meet AASHTO specifications for an H-20 live load and is ideal for off-street locations that may occasionally receive H-20 wheel loads such as industrial facilities, warehouses, loading docks, parking garages and more. Featuring a heavy-duty, 1/4″ reinforced aluminum cover and extruded aluminum frame, both with a mill finish, hatch is a perfect solution for wherever floor access is needed.


  • Cover: 1/4″ Reinforced Aluminum Diamond Plate
  • Frame: Extruded Aluminum with Integral Anchor Flange and Door Seat on All Four Sides
  • Finish: Mill Finish
  • Handle: Cast Aluminum Flush Lifting Handle
  • Lock: 316SS Slamlock with Threaded Plug, Removable Outside Key and Fixed Inside Handle
  • Automatic Hold-open Arm: 316 Stainless Steel Hold-open Arm with Vinyl Grip That Automatically Keeps the Cover in its Open/Upright Position
  • Hardware: 316 Stainless Steel Hinges and Tamper Resistant Bolts/Lock Nuts.
  • Loading: AASHTO H-20-44 wheel load
  • Installation: Styles Available for both New and Existing Openings


  • Construction: Steel
  • Custom Sizes: Available on Request


The WB APS 8100 aluminum floor door is available in a variety of sizes including 24×24, 24×36, 30×30, 30×36, 30×48 and more. In addition, custom sizes are available upon request. Door features a flush lifting handle, stainless steel hinges with tamper proof bolts, an exposed staple for user supplied padlock and an automatic hold-open arm. Options include a double door and steel construction. NOT DESIGNED FOR PARKING LOTS OR OTHER PAVED AREAS.

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