42 x 42 Aluminum Security, Reservoir and Roof Hatch – WB SRR-I 8600 Series


This rugged, low-profile roof access door is designed to provide secure, convenient and weather-resistant access onto roofs and into reservoirs. Featuring heavy-duty, 3/16” reinforced aluminum construction with a mill finish, hatch is fully insulated and comes with a heavy-duty gasket to keep out the exterior weather elements. In addition, door can be walked on and is rated for 150 pounds per square foot (psf) pedestrian loading. MADE IN USA.

Model #

WB SRR-I 8600 42X42


WB SRR-I 8600

Door Size (WxH)

42" x 42"

Rough Opening (WxH)

42" x 42"

Shipping Weight

100 lbs.


3/16" Reinforced Aluminum Diamond or Smooth Plate


3/16" Aluminum Structural Angle with Holes for Securing to Curb or Roof Deck (internal or external mounting flange)


Mill Finish


Two-point Slam Latch


316 Stainless Steel Hinge and Pin

Lift Assistance

Stainless Steel Compression Springs for Lift Assist Contained Within the Frame

Automatic Hold-open Arm

316 Stainless Steel Hold-open Arm with Vinyl Grip That Automatically Keeps the Cover in its Open/Upright Position at Either 70° or 90°


Weather-resistant Gasket


316 Stainless Steel Nuts and Bolts


150 lbs per sq. ft. (732kg/m2) Pedestrian Loading


Installation Shall Be in Accordance with the Manufacturer’s Instructions

Finish Options


Handle Options

Removable Exterior Handle with Choice of Slotted Plug or McGard® Plug with Wrench

Lock Options

Exterior Padlock, Cylinder Deadbolt Lock (keyed exterior or interior, or both)

Indicator Options

Indicator Switch – Signals When Cover is Other than Fully Closed

Custom Sizes

Available on Request

WB SRR-I 8600 Series Roof Hatch Dimension Drawing