WB RH-D Series

Galvanized Steel Domed Roof Hatches

Sizes & Specifications

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WB RH-D Series Galvanized Steel Roof HatchWB RH-D Series Galvanized Steel Roof Hatch

The Best Roof Hatch with Skylight in the Industry – Durable & Weather Resistant!

The WB RH-D Series Galvanized Steel Domed Roof Hatch is a rugged, access door designed to provide secure, convenient and weather-resistant access onto roofs in applications such as hotels, apartments, hospitals, industrial facilities or any location where access to a ceiling/roof is necessary. Featuring heavy-duty, 14 gauge galvanized steel construction with a re-coatable gray primer finish, hatch is fully insulated and comes with a heavy-gauge extruded rubber gasket to keep out the exterior weather elements. In addition, the clear dome/skylight, allows natural sunlight to come into the space below while debris such as leaves, branches naturally fall off.


  • Cover: 14 Gauge Galvanized Steel Construction
  • Frame: 14 Gauge Galvanized Steel Construction
  • Curb: 1″ Thick Fiberboard Roof Insulation at Curb Exterior
  • Dome: Clear Dome Allows Natural Light to Pass Through and Debris to Naturally Fall Off
  • Finish: Durable Re-coatable Gray Primer Finish
  • Handle: Heavy-duty Handle
  • Lock: Heavy-duty Lock
  • Hinges: Heavy-duty Galvanized Steel Hinges with 3/8″ Pin
  • Lift Assistance: Gas Spring Operators Opens/Closes Cover with Ease While Inside Pull Handle Allows for Easy Control When Closing Cover
  • Gasket: Weather-resistant Gasket
  • Installation: No Assembly Required – Ships Complete with Curb, Insulation, and Gasket



The WB RH-D domed roof access door is available in a variety of sizes including 24×24, 24×26, 30×30, 36×36, 48×48 and more. In addition, custom sizes are available upon request. Door features a heavy-duty lock and handle assembly, automatic hold open arm and a fully concealed hinge hardware located on the interior making rust unlikely. In addition, this roof hatch includes pre-lubricated compression gas springs, encased in zinc-plated telescopic tubes for lift assistance and both interior and exterior padlock hasps to keep it secure from either the inside or outside.

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