JL Industries RHDA-1 36 × 30 Roof Hatch – Diamond Series Aluminum, R-6 Insulation, Ladder Access

The JL Industries RHDA-1 Diamond Series aluminum roof hatch provides safe and efficient ladder access to rooftops while offering excellent thermal performance. With a 36″ × 30″ clear opening, this hatch is ideal for personnel entry and exit. Its aluminum construction ensures corrosion resistance, while the curb and cover are insulated to R-6 for energy efficiency. The Diamond Series design includes a heavy-duty continuous hinge, gas spring-assisted lid, and inside/outside operable latch, making it reliable and easy to operate in commercial and institutional applications.

Key Features

• 36″ × 30″ Diamond Series aluminum roof hatch
• R-6 insulated curb and cover for energy efficiency
• Corrosion-resistant aluminum construction
• Gas spring-assisted lid for smooth operation

Model: RHDA-1

Manufacturer: JL Industries / Activar Construction Products Group

Series: Diamond Series

Dimensions: 36″ × 30″ clear opening

Frame/Curb: Aluminum curb insulated to R-6

Cover: Aluminum with R-6 insulation

Material: Aluminum, corrosion-resistant

Operation: Gas spring-assisted lid for balanced lift

Hinge: Heavy-duty continuous hinge for durability

Latch: Lockable latch, operable from inside and outside

Finish: Mill finish aluminum (standard)

Application: Ladder access to roof areas

Country of Origin: USA

• Verify roof opening matches the 36″ × 30″ hatch size.
• Position hatch curb into the prepared roof opening and ensure it is level.
• Secure curb to roof framing with recommended fasteners.
• Flash and seal curb with roofing membrane for watertight protection.
• Test lid to ensure smooth gas spring-assisted operation.
• Confirm lockable latch functions properly from both sides.

Q: What are the dimensions of the RHDA-1 roof hatch?
A: The clear opening is 36″ × 30″.

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

Q: What material is used for construction?
A: The RHDA-1 is made from corrosion-resistant aluminum.

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

Q: Is the lid heavy to operate?
A: No, gas spring assistance ensures smooth and balanced lid operation.