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Babcock Roof Hatches

Aluminum Roof Hatches
Babcock-Davis BRHG 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

Galvinized Steel Roof Hatches

Babcock-Davis BRHG 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.

Galvinized 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 Click on image above for larger version	Double Leaf Roof Hatch Diagram Click on image above for larger version
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	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*
All units are hinged on the second dimension (length). Rough opening required = hatch size *Double door construction

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