The best roof hatch in the industry - Durable & Weather Resistant! This
heavy duty WB Roof Hatch offers improved features such as a heavier duty lock and handle assembly, heavy gauge, weather-resistant
gasket and fully concealed hinge hardware located on the interior making rust unlikely. This premium roof hatch / access door is perfect
for hotels, apartments, hospitals or any location where access to a ceiling/roof is necessary. Pre-lubricated compression springs,
encased in zinc-plated telescopic tubes held in place by 3-sided welded brackets. Durable and re-coatable gray primer finish comes
standard. Heavy duty 14 gauge galvanizes steel this roof hatch comes standard in sizes 24x24, 30x54, 30x96, 36x30, 36x36, 36x48 and
48x48. This heavy duty weather proof roof hatch is perfect for any application where a roof hatch is necessary in order to move large
equipment onto roof or to have permanent access to roof. This roof hatch ships complete with insulation for weather control. This roof
hatch also ships complete with weather resistant gasket to help keep the exterior weather elements from entering the roof hatch. This
roof hatch also has an interior or exterior locking hasp. This roof hatch with both interior and exterior locking hasps means it can
be supplied with any lock to keep this roof hatch secure from the inside or outside. This galvanized steel roof hatch is perfect for
any application where a roof hatch is necessary in order to reach access onto a roof. Manufactured for The Williams Brothers Corporation
of America - MADE IN USA. Click here to see what makes Williams Brothers roof hatches the best in the industry. Most Orders Ship Same or Next Day
• 14 Gauge galvanized steel
• Ships complete with curb, insulation, and gasket
• No assembly required
• Durable re-coatable gray primer finish
• Highly visible safety caution striping
• Heavy duty lock and handle
• Weather resistant gasket
• Finest quality of workmanship
• Roof Hatch Ladders Available here
• For domed/skylight version - click here
• For aluminum version - click here
General Roof Hatch Description: Roof access hatch shall be model WB-RH Series glavanized steel roof hatch manufactured
exclusively for The Williams Brothers Corporation of America, with a durable, re-coatable gray primer finish. A yellow and black striped
visual warning signal shall be on top of curb and on inside of lid.
Roof Hatch Curb Construction: Curb shall be 14 gauge (G 90) galvanized steel with durable re-coatable gray primer
finish standard. Curb shall be 12" (304mm) in height with a 4" (101mm) fiber board insulation, and mounting holes for roof attachment.
Curb shall have integral cap flashing of the same material and thickness as the curb. Curb and cap flashing shall be fully welded at
the corners for a watertight construction. Hinges are two-piece formed steel, with a non-removable heavy-duty pivot pin.
Roof Hatch Covers: Cover shall be 14 gauge (G 90) galvanized steel, with radius corners for safety, and shall be
fully welded at the corners for watertight construction. The cover liner shall be 22 gauge. The cover shall be insulated with a 1”
(25.4mm) thick fiberglass insulation, and reinforced as required to support a 40#/ft square live load. An extruded rubber gasket, mechanically
fastened to the inside of the lid shall cause the hatch lid to seal.
Roof Hatch Hardware: Hardware on this roof hatchshall include interior handle, with a positive, one-point locking
mechanism, exterior handle, and provisions for padlock, both inside and out. Pre-lubricated compression springs, encased in zinc-plated
telescopic tubes, for smooth and controlled door operation at any position. An automatic, hold-open arm, with vinyl grip, shall be
standard. All hardware on this roof hatch shall be corrosion resistant, and all fasteners shall be of a self-locking type.
• Roof Hatch Ladders Available Here
• Custom size roof hatches available upon request