Skylight construction

Details Skylight construction Skylight construction

E - Fixed Constructions

04

D

20/21

E04D 13/03 (2006.01)

Patent

CA 1166814

SKYLIGHT CONSTRUCTION Abstract of the Disclosure The skylight may be of the domed-type or flat-type and of single or double glass (acrylic or other transparent or translucent plastic) construction. The skylight fits within an opening in a roof or the like and has a peripheral curb of an extruded rigid thermoplastic, such as polyvinylchloride (PVC), which is fixed to the roof construction about the opening. The rigid thermoplastic curb has a top co-extruded flexible thermoplastic (such as PVC) gasket integral with the curb and compressible against the edge of the glass or plastic dome or panel. There is also provided a second flexible in- tegral co-extruded thermoplastic gasket adapted to contact a retainer secured to the curb for retaining the dome or panel on the curb. The rigid curb is of a thermoplastic in the shore "D" durometer hardness scale, while the flexible gaskets are of a thermoplastic in the shore "A" durometer hardness scale. A heat platten welding technique, which would most commonly be used in welding the curb frame mitres, would also weld the gaskets simultaneously for a continuous seal. Other less commonly used thermoplastic welding techniques, such as ultrasonic, hot gas, high frequency and friction, could be employed to accomplish the simultaneous bond at the corners.

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