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.

Make sure to screw through closures. Sharp point metal to wood siding screws. If the screws are driven correctly fastening through either the valleys or the ridges of the roofing is considered acceptable in this country. Attach ridge cap to rib of roof panel with screws on every rib along both sides of rib.

Your roof will have thousands of screw holes. Having done several metal roofs since then i would say if you are an amateur screw on the flat with 1 1 2 screws. Quite often the screws are over tightened or under tightened and when this happens it creates leak points. Screws in the flat nails on the ridge.

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. Valid arguments can be made for both preferences. Ridge cap should be end lapped 6 inches at each end. The main cause of a leaking roof on a diy metal roofing installation is incorrectly fastening the screws.

I strap all roofs with nothing less than 2 4 to help lock that roof in place. 4 6 out of 5 stars 10. The manufacturers recommend screws in the valley 3 per perling and shorter screws spaced 18 to 24 inches depends on the manufacturer on the ridges. 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. Metal moves some heat cold expansion and makes a bigger hole in metal for a leak. Place large tab closure between the ridge cap and the roof panels.