Product Description
Product Spec Sheet: 
72" x 72" BAC-DDRHA Double Leaf Domed Aluminum Equipment Hatch
Moving large equipment, tools, or machinery to and from the rooftop can be frustrating, especially when standard access hatches don’t provide enough clearance. Tight spaces make lifting and maneuvering difficult, increasing the risk of equipment damage and adding unnecessary strain on workers.
The 72" x 72" BAC-DDRHA Double Leaf Domed Aluminum Equipment Hatch eliminates these obstacles with its double-leaf design, offering a wider opening for effortless equipment transfers.
Plus, its domed acrylic panels allow natural light to brighten the space below, reducing reliance on artificial lighting and creating a more comfortable work environment.
Why Choose the 72" x 72" BAC-DDRHA?
- Effortless Equipment Access: The double-leaf design provides a wider opening, making it easy to transport large equipment, tools, and machinery without obstruction.
- Hands-Free Operation: Automatic hold-open arms keep the hatch securely open, allowing maintenance crews to work safely and efficiently without needing extra support.
- Improved Work Environment: The domed design prevents water pooling while also allowing natural light inside, creating a brighter and more functional space.
- Weather-Resistant & Durable: Constructed from 11-gauge aluminum with a 22-gauge liner, this hatch withstands harsh conditions while preventing rust and corrosion.
- Reliable Insulation & Sealing: A continuous bulb neoprene gasket and insulated cover help maintain indoor temperatures, reducing energy loss and enhancing building efficiency.
Want a smooth installation? Read our guide on best practices for installing roof hatches in Canadian commercial buildings.
Product Specifications
- Dimensions: 72" x 72"
- Material: 14-gauge galvanized steel or 11-gauge aluminum with a 22-gauge liner
- Finish: Gray prime coat on steel, silver prime coat on aluminum
- Domes: Clear over white acrylic domes
- Gasketing: Continuous bulb neoprene door seal
- Insulation: 1” fiberglass insulation in cover, 1/2” rigid fiberboard on curb
- Hinges: Heavy-duty hinges
- Hold-Open Arm: Galvanized steel automatic hold-open arms with red vinyl handles
- Latches: Two-point universal spring latches with exterior and interior handles
- Spring Assist: Pressure intensifiers with compression springs for lift assistance
- Clear Opening: 8" less in width and length from the overall size
Installation Instructions
- Check the Roof Opening: Ensure the opening matches the BAC-DDRHA size, keeping in mind the clear opening is 8" smaller in width and length. Clear away any debris and ensure the surface is flat.
- Position and Secure the Hatch: Place the 72" x 72" BAC-DDRHA over the opening, making sure it’s properly aligned. Use the right anchors or fasteners (Note: not included in the unit) to attach the curb securely to the roof structure.
- Seal for Protection: Apply a roofing sealant around the curb to keep out water and prevent leaks.
- Test the Hatch: Open both leaf doors using the handles and check that the hold-open arms lock in place. Make sure the compression springs work smoothly and the neoprene gasket seals tightly when closed.
Looking to upgrade your rooftop access? Choose the 72" x 72" BAC-DDRHA Double Leaf Domed Aluminum Equipment Hatch for effortless, weather-resistant access to your rooftop equipment.
For a reliable and secure way to reach your roof, the BAC-RAH Roof Access Hatch is a great addition. Built with 14-gauge galvannealed steel, it offers smooth operation with compression springs and an automatic hold-open arm, ensuring durability and ease of use.
Best Access Doors Canada has the right solution for your project! Whether you need a durable roof hatch, an equipment hatch, or an access panel, we’ve got you covered. Call us at (800) 483-0823, request a quote, or check out our blog for helpful insights and tips. Let’s make access easy!