How Far To Overlap Metal Roofing

Dress with safety in mind.

How far to overlap metal roofing.

Measuring for a metal roof. An overlay roof or the act of overlaying a roof is when your roofer puts a second set of shingles directly on top of your existing roof. Whether you re working with tin roofing sheets performing. Set the first shingle of the second row back a half tab 6 inches 17 centimeters from the edge of first shingle on the first row and so that the bottom of its tabs just touches the tops of the cutout slots on the shingle below.

This 1 2 tab has to be cut off where it hangs off the left edge of the gable roof. Measure and cut the metal sheet panels as necessary before installing them on the roof. Tips to market your roofing company. Make sure the panel is square to the roof line.

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. Place the first screw. While this isn t the most common method of roofing it does happen especially when homeowners are hoping to save a bit of money on their overall roofing costs. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.

If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Metal roofing can also be significantly more expensive. A corrugated metal roof is quieter than pvc when it rains.

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. On the eave side of the roof aim to overhang the panels by 1 to 1 5 inches. Maintaining panel modularity and square when installing a metal roof. Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. How to overlap metal roofing early safety precautions. Five installer responsibilities for weathertightness warranties.