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Standard Features and Benefits

• Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size
• Automatic hold-open arm locks the cover in the open position to ensure safe egress
• Overlapping cover design, full welded corners on cover and curb, EPDM rubber gasket, and fully insulated cover and curb ensure weathertightness and energy efficiency
• Constructed with corrosion resistant materials to provide many years of trouble free, dependable service
• Heavy gauge construction and positive latching mechanism maintain building security
• Curb features the Bil-Clip® flashing system, an innovative method to quickly and easily secure single-ply roofing material to BILCO roof products
• Type GS roof hatch and type GSS roof hatch are vailable in many sizes and curb configurations to satisfy any requirement or installation

Guide Specifications

• Material: Cover and frame are 11 gauge (2.3 mm) aluminum.
• Cover: Aluminum extrusion with built-in condensation drainage channel and clear polycarbonate dome or double domes. Dome(s) is coated for UV-resistance.
• Curb: 12″ (305 mm) in height with integral capflashing, 1″ (25 mm) fiberboard insulation, fully welded at corners, and 3-1/2″ (89 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.Roof Hatch Models

  Type GS-50, GSS-50 (special size)

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BIM Models (Revit Format)

• Roof Hatch – Single Leaf

CAD Details

• Type GS-50 – Roof Hatch
• Type GS-50TB – Roof Hatch – Thermally Broken

Installation Instructions

• Installation Instructions – Bil-Clip Flashing System
• Installation Instructions – Roof Hatch
• Operation & Maintenance – Roof Hatches

Literature

• Commercial Products Catalog

Size Chart

• Roof Hatch Size Chart

Specifications

• Type GS-50 Roof Hatch

Submittal Drawings

• Type GS-50 – Roof Hatch
• Type GS-50TB – Roof Hatch – Thermally Broken