Roofing Screws In The Ridge Or Flat

Your roof will have thousands of screw holes.

Roofing screws in the ridge or flat.

Screwing high on the rib is difficult for the amateur. Make sure to screw through closures. Place large tab closure between the ridge cap and the roof panels. Screwing or fastening down a metal roof is one of the easiest parts of a metal roofing installation but it s also the most problematic.

Quite often the screws are over tightened or under tightened and when this happens it creates leak points. Sharp point metal to wood siding screws. 4 6 out of 5 stars 10. Screws in the flat nails on the ridge.

Having done several metal roofs since then i would say if you are an amateur screw on the flat with 1 1 2 screws. 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. 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.

Metal moves some heat cold expansion and makes a bigger hole in metal for a leak. As the screws are driven the washer presses against the metal roofing to form a water proof seal. Make sure and not get them too tight don t squish the rubber gasket just nice and snug. The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws.

Ridge cap should be end lapped 6 inches at each end. I strap all roofs with nothing less than 2 4 to help lock that roof in place. 250 brown 12 x 1 1 2 hex regrip sheet metal roof screw.