Roofing Screws In The Ridge Or Flat

250 brown 12 x 1 1 2 hex regrip sheet metal roof screw.

Roofing screws in the ridge or flat.

Ridge cap should be end lapped 6 inches at each end. Make sure to screw through closures. On the ridges can distort the metal. The idea being that the longer screws in the valley hold the sheet down and the shorter screws on the ridges keep the wind from picking up the sheet.

I strap all roofs with nothing less than 2 4 to help lock that roof in place. Quite often the screws are over tightened or under tightened and when this happens it creates leak points. 4 6 out of 5 stars 10. Place large tab closure between the ridge cap and the roof panels.

As the screws are driven the washer presses against the metal roofing to form a water proof seal. Screws in the flat nails on the ridge. Sharp point metal to wood siding screws. Screwing high on the rib is difficult for the amateur.

If the screws are driven correctly fastening through either the valleys or the ridges of the roofing is considered acceptable in this country. Valid arguments can be made for both preferences. Your roof will have thousands of screw holes. The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws.

Make sure and not get them too tight don t squish the rubber gasket just nice and snug. Having done several metal roofs since then i would say if you are an amateur screw on the flat with 1 1 2 screws. Metal moves some heat cold expansion and makes a bigger hole in metal for a leak.