Metal Roof Leaks Around Screws

When tin is installed on the roof special self tapping screws are used.

Metal roof leaks around screws.

Metal roofing screws seal water out by compressing a rubber washer at the base of the screw head. Screwing into plywood isn t a great idea. When the screw is driven into the metal roofing panel the rubber washer forms a gasket between the roofing panel and the screw head. If your screws are hitting the rafters replace the short screws with new longer screws with new rubber washers.

Leaks happen around holes. Metal roof leaks around screws when it comes to roofs there are few products that can match the strength durability and performance that a metal roof can offer. Most roofers install metal roofing on purlins 1x4 or 2x4 strapping installed parallel to the ridge giving the roofing screws something better to bite into. It s well known within the professional roofing community that the single largest culprit for metal roof leaks are roofing screws and faulty washers.

Storm tite with its large epdm washer. This type of screw penetrates the tin and buries itself into the roof joist.