Aluminum Roof Hatches
Babcock-Davis BRHUA roof hatch is manufactured from Aluminum to ensure years of dependable use, even in the most extreme weather conditions. The lids are mounted on a 12″ curb with cap flashing to ensure against leakage. B-D roof hatches come standard with compression springs, zinc plated steel hardware, and insulation in the cover and at the curb perimeter.
Aluminum Roof Hatch Specs
| Cover & Liner: | 11-gauge (0.090″) aluminum cover with an 18-gauge aluminum liner |
| Curb: | 11-gauge (0.090″) aluminum, Optional: 11-gauge double wall curb (curb liner at exterior) |
| Hinge: | Tamper-proof hinge contained within hatch as part of a spring assembly |
| Latch: | Zinc plated steel palm latch |
| Spring: | Greased compression springs enclosed in telescopic tubes, which counterbalance the door to require no more than 10 pounds of opening force |
| Hardware: | Zinc coated steel, Optional: Stainless steel |
| Insulation: | 1″ thick rigid fiberglass in cover and 1″ at curb perimeter |
| Mounting Flange: | 3-1/2″ |
| Finish: | Mill |
Galvanized Steel Roof Hatches
Babcock-Davis BRHUG roof hatch is manufactured from galvanized steel to ensure years of dependable use, even in the most extreme weather conditions. The lids are mounted on a 12″ curb with cap flashing to ensure against leakage. B-D roof hatches come standard with compression springs, zinc plated steel hardware, and insulation in the cover and at the curb perimeter.
Galvanized Steel Roof Hatch Specs
| Cover & Liner: | 14 gauge galvanized steel cover with a 22 gauge galvanized steel liner |
| Curb: | 14 gauge galvanized steel Optional: Double wall curb (curb liner at exterior) |
| Hinge: | Tamperproof hinge contained within hatch as part of a spring assembly |
| Latch: | Zinc coated steel slam latch with inside and outside lever handles. All double leaf hatches and single leaf hatches that exceed 54″ hinge dimension are manufactured with a zinc coated steel 2-point latch |
| Spring: | Greased compression springs enclosed in telescopic tubes, which counterbalance the door to require no more than 10 lbs. of opening force |
| Hardware: | Zinc coated steel. Optional: stainless steel |
| Insulation: | 1″ thick rigid insulation in cover and 1-1/2″ at curb perimeter |
| Mounting Flange: | 3-1/2″ |
| Finish: | Factory applied powder coat finish |
Diagrams and Sizes – Aluminum and Steel Hatches
Single Leaf Roof Hatch Diagram
| Standard Sizes (mm) width x height | Standard Sizes (in) width x height |
| 610 x 610 | 24 x 24 |
| 762 x 762 | 30 x 30 |
| 762 x 1219 | 30 x 54 |
| 762 x 2438 | 30 x 96 |
| 914 x 610 | 36 x 24 |
| 914 x 762 | 36 x 30 |
| 914 x 914 | 36 x 36 |
| 914 x 2438 | 36 x 96 |
| 1219 x 1219 | 48 x 48 |
Rough opening required = hatch size
*Double door construction
Double Leaf Roof Hatch Diagram
| Standard Sizes (mm) width x height | Standard Sizes (in) width x height |
| 1219 x 1524 | 48 x 60* |
| 1219 x 1828 | 48 x 72* |
| 1219 x 2438 | 48 x 96* |
| 1524 x 1524 | 60 x 60* |
| 1524 x 1828 | 60 x 72* |
| 1524 x 2438 | 60 x 96* |
| 1828 x 1828 | 72 x 72* |
| 1828 x 2438 | 72 x 96* |
| 2438 x 2438 | 96 x 96* |
Rough opening required = hatch size
*Double door construction
See related products: Ladders and Ladder Safety Products