Bilco - Thermally Broken Roof Hatch
From Roof Hatches
Thermally broken roof hatches feature R-20+ insulation and a frame and cover design that minimizes heat transfer between interior and exterior metal surfaces. The result is a product that resists harmful condensation and provides superior energy efficiency. The Thermally Broken design is available in all standard BILCO single leaf sizes (S, E, NB, L, F, GS*) and special single leaf sizes are available upon request. (Patent Pending)
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Details
Standard Features and Benefits
- Thermally broken cover and curb reduces heat transfer between interior and exterior surfaces to resist harmful condensation
- Ozone-friendly polyisocyanurate insulation (R-20+) provides superior energy efficiency
- Special EPDM gasketing with enhanced weather and wind resistance
- Meets LEED® standards for recycled content
- High solar reflective index (SRI)
- Available in all Bilco standard roof hatch sizes and special sizes are available upon request
Guide Specifications
- Material: Cover and frame are 11 gauge (2.3 mm) aluminum.
- Cover: Brakeformed, hollow-metal design with 3' (75 mm) concealed polyisocyanurate insulation (R Value of 20+), 5' (100 mm) beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf (195kg/m2) live load. (See note below for Type GS-50-TB models)
- Curb: 12' (305 mm) in height with integral capflashing, 3' (75 mm) polyisocyanurate insulation (R Value of 20+), fully welded at corners, and 5-1/2' (114 mm) mounting flange with 7/16' holes (11 mm) provided for securing frame to the roof deck.
- Gasket: Extruded EPDM rubber gasket permanently adhered to cover.
- Hinges: Heavy-duty pintle hinges with 3/8' (9 mm) Type 316 stainless steel hinge pins.
- Latch: Slam latch with interior and exterior turn handles and padlock hasps.
- Lift Assistance: Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.
- Finish: Mill finish aluminum
- Hardware: Engineered composite compression spring tubes and steel compression springs packed in grease. Type 316 stainless steel hinges. All other hardware is zinc plated/chromate sealed.
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