JL Industries RHDA-3 30 × 96 Roof Hatch – Diamond Series Aluminum, R-6 Insulation, Stair Access

The JL Industries RHDA-3 Diamond Series aluminum roof hatch is built for oversized stair access applications, providing a large 30″ × 96″ clear opening for easy movement of personnel and equipment. Constructed from corrosion-resistant aluminum, the curb and cover are insulated to R-6 for energy efficiency. The gas spring-assisted lid ensures smooth, controlled operation, while the lockable latch allows secure use from inside or outside. Designed for demanding commercial or institutional applications, this hatch combines strength, performance, and long-term reliability.

Key Features

• Oversized 30″ × 96″ clear opening for stair access
• R-6 insulated curb and cover for energy efficiency
• Durable aluminum construction with corrosion resistance
• Gas spring-assisted lid for smooth and safe operation

Model: RHDA-3

Manufacturer: JL Industries / Activar Construction Products Group

Series: Diamond Series

Dimensions: 30″ × 96″ clear opening

Frame/Curb: Aluminum curb insulated to R-6

Cover: Aluminum cover with R-6 insulation

Material: Heavy-duty corrosion-resistant aluminum

Operation: Gas spring-assisted lid for controlled lift and closure

Hinge: Heavy-duty continuous hinge

Latch: Lockable latch operable from both inside and outside

Finish: Mill finish aluminum (standard)

Application: Oversized stair access to roof areas

Country of Origin: USA

• Verify roof opening matches the 30″ × 96″ hatch size.
• Position hatch curb into prepared roof opening, ensuring level placement.
• Secure curb to roof framing using manufacturer-recommended fasteners.
• Flash and seal curb with roofing membrane for watertight integrity.
• Test lid operation, confirming gas springs lift smoothly.
• Check latch for proper locking and unlocking from both sides.

Q: What are the dimensions of the RHDA-3 roof hatch?
A: The clear opening is 30″ × 96″.

Q: Is this roof hatch insulated?
A: Yes, the curb and cover are insulated to R-6.

Q: What material is the RHDA-3 constructed from?
A: It is built from corrosion-resistant aluminum.

Q: Can the latch be operated from the outside?
A: Yes, the latch is lockable and operable from both inside and outside.

Q: What type of access is this hatch designed for?
A: It is designed for oversized stair access.