L-50TB 760x2440mm Service Stair Access Roof Hatch
Company | BILCO UK |
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The L-50TB is an ideal Roof Access Hatch for installations where frequent access to the roof area is expected from full sized stairs with standard headroom.
At 760x2440mm, the L-50TB enables easier movement of maintenance personnel, tools and equipment to and from the roof area (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 weather tightness 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 L-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/m² 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 4.83m³/hr/m² @ 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 | 138Kg |
NOTES | National Physical Laboratory U-Value test report available upon request. Patent pending. |