Leaking is one of the common problems with roofing. Screw screws are specifically designed to overcome this problem.
The screw screw is equipped with a screw head whose shape is right and fits the roof top of the Alderon. While the rubber attached helps prevent water from entering.
The screw head is made from the same material as the uPVC roofing material to ensure that both of them can both expand and shrink when they are exposed to the sun's heat during the daytime, or the night's cold weather.
Screw caps that complement screw threads keep them longer.
Specification:
Screw Length: 7 cm (for Double Layer uPVC Roof)
Screw Length: 5 cm (for uPVC Roof Single Layer)
Colors: Doff White and Doff Blue