How To Apply Sheet Metal Roofing

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 line.

How to apply sheet metal roofing.

Secure the sheets into place with screws. You will use metal roofing screws to secure the metal panels to the sheathing. Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. The boards should run parallel with the ridge and the eaves and a drill can be used to screw the board into the roof.

Space the screws about 12 in 30 cm apart down the entire piece of metal. The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches. Take care the first piece is aligned precisely perpendicular square to the edge. Install the roofing screws vertically along each rib in the panel.

Try to space the screws about 12 inches apart down the entire piece of metal. To vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Moreover try to ensure that the screws are all aligned evenly. And for any exposed fasteners try to avoid over tightening them.

If you have old shingles on the roof you can leave these in place and install sheet metal roofing overtop of them. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Anatomy of a steel roof. Metal roofing 101 diy steel roofing installation over shingles subscribe.

What s involved in how to install metal roofing.