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.
How to seal metal roof screws.
Before you begin you re going to need the right tools to help you with the job.
It s important to use screws approved by the roof manufacturer when redoing your metal roof screw placement.
Remove the screws and replace them dealing with gaps.
When installed properly metal roofing screws will seal out the water by compressing a rubber washer down at the base of the screw head.
To fix most leaks simply remove the old screw and replace it with a new one.
Use the manufacturer s recommended screw gun to tighten the seal and make sure you create a tight seal but without using excessive pressure.
Typical roofing screws have a 1 4 inch hex head and can be recognized by a large rubber washer at the end.
Install the roofing screws vertically along each rib in the panel.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.
Below this there should be a rubber seal or grommet.
Here is a list.
Step 1 examine the roofing screws.
Locate the source of the leaks.
Each screw should also have a metal washer which should match the roof.
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.
Once a screw looks weathered or compromised replace it.