WB AWML Series

Aluminum Wall-Mounted Roof Hatch Ladders

Sizes & Specifications

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Williams Brothers - WB AWML Series Aluminum Wall-Mounted Roof Hatch Ladders

OSHA Approved Wall-Mounted Ladder Provides Convenient Access to Roof Hatches!

The WB AWML Aluminum Wall Mounted Roof Hatch Ladder is designed to fit nearly any roof hatch. Featuring rugged, aluminum construction, ladder is rated at 300 lbs. loading at midspan. In addition, this roof hatch ladder is OSHA approved and is a perfect companion to our WB RH Series Galvanized Steel Roof Hatch.


  • Climbing Rungs: 15/16″ Square Extruded Aluminum – Spaced on 12” centers
  • Side Members: 3/8″ x 2 1/2″ Aluminum
  • Finish: Mill Finish
  • Loading: 300 lbs at Midspan
  • Brackets: 7″ Stand-off Brackets
  • Supports: Maximum Spacing Between Supports is 48″
  • Approvals: Conforms to OSHA Standards 29CFR-1910.27


  • Bracket Options: Floor Mounting Bracket
  • Safety Options: Telescoping Safety Post


The WB AWML roof hatch ladder is available in a variety of sizes such as 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 11 feet, and many more all the way up to 15 feet. Made out of aluminum, this is a very lightweight roof hatch ladder that makes installation easy. Options include floor brackets and telescoping safety post.

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