When installed properly metal roofing screws will seal out the water by compressing a rubber washer down at the base of the screw head.
How to seal metal roof screws.
Place the first screw.
Typical roofing screws have a 1 4 inch hex head and can be recognized by a large rubber washer at the end.
Each screw should also have a metal washer which should match the roof.
Here is a list.
Remove the screws and replace them dealing with gaps.
Locate the source of the leaks.
Roofing screws come in various shapes and sizes but with roofing screws the end acts in a similar fashion to a drill bit.
Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.
Install the roofing screws vertically along each rib in the panel.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
It s important to use screws approved by the roof manufacturer when redoing your metal roof screw placement.
6 steps guaranteed to fix your leaking roof.
Below this there should be a rubber seal or grommet.
Before you begin you re going to need the right tools to help you with the job.
When the screw is then driven down into the metal roofing panel the rubber washer will form a gasket of sorts between the roofing panel and the screw head itself.
To fix most leaks simply remove the old screw and replace it with a new one.