Metal Roof Leaks Around Screws

Storm tite with its large epdm washer.

Metal roof leaks around screws.

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

But like just about anything else metal roofs are not indestructible and they definitely can spring leaks. It s well known within the professional roofing community that the single largest culprit for metal roof leaks are roofing screws and faulty washers. Metal roofing screws seal water out by compressing a rubber washer at the base of the screw head. 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.

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. Leaks happen around holes.