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The SSY-50TB Roof Access Hatch is ideal for installations where frequent access to the roof area is required from a full size staircase.
At 760x3360mm, the extra long opening provides additional headroom for applications where the roof access stairs are more gradual (Patent pending). Features / Benefits Thermally broken cover and frame design provide superior thermal performance. Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size. All BILCO hatches meet the requirements of Manual Handling Regulations.
Automatic hold-open arm locks the cover in the open position to ensure safe egress.
Grip handle allows for easy, one-hand release and closing. Overlapping cover design, fully welded corners on cover and curb, closed-cell 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.
Guide Specification
SSY-50TB MATERIAL Cover and frame are 2.3mm Aluminium COVER Brake-formed, hollow-metal design with 75mm concealed polyisocyanurate insulation, 127mm beaded overlapping flange, fully welded at corners, and internally reinforced for 195 kg/m? live load. CURB 305mm in height with integral capflashing, 75mm polyisocyanurate insulation, fully welded at corners, and 140mm mounting flange with 11mm holes provided for securing frame to the roof deck.
GASKET Extruded EPDM rubber gasket permanently adhered to cover. Air leakage performance 4.83m?/hr/m @ 600Pa Tested to BS EN 12207: 2000 HINGES Heavy-duty pintle hinges with 9.5mm Stainless Steel Type 316 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 Aluminium HARDWARE Plated steel compression spring tubes with steel compression springs packed in grease.
Stainless Steel Type 316 hinges.
All other hardware is zinc plated/chromate sealed.
Weight 176Kg NOTES National Physical Laboratory U-Value test report available upon request. Patent pending.
For more information on SSY-50TB 760x3360mm Service Stair Access Roof Hatch talk to Bilco UK Ltd