Roofing Screws Too Long For Metal Roof

The purpose of the spacing is related to the drip edge.

Roofing screws too long for metal roof.

Screws will not grip well on a rotted wood surface. Water damage to underlying material. The metal roof paneling is supposed to end up about two to three inches below the home s vented ridge and should be two to three inches beyond the roof s eaves according to absolute steel metal roofing instructions. Let the panel overhang by about an inch and a half to 2 inches.

Pipe flashing covered by too few screws. This applies to the gable edge and the bottom end of the roof. In some homes this means using 1 inch screws to get the appropriate distances. Proper tools not only is it crucial to have proper metal roofing screws but using a proper screw gun such as one powered by an air compressor will ensure safety as well as a strong finished look.

If water has seeped under the roof material the underlying material may become damaged. Screws may not be able to grip the underlying material enough to properly hold the metal roof down. Extending the panel too long over the edge. 9 10 12 and procap metal to wood screws are 1 4 hex head screws 12 14 and proz metal fasteners are 5 16 hex head screws.

Generally it is best to place each roofing screw about one and half to two feet apart but no more than that. Remember a screw down metal roof has the fasteners exposed through the top of the panels.