How Much Metal Roof Overhang

You can add 3 to 5 inches to the top.

How much metal roof overhang. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. How to cut metal roofing never use a circular saw or other device that will fling hot metal chips all around the area you cut. Cantilevered structures are popular for homes with balconies. Mike the pole barn guru.

Multiply those numbers and then double the result for the square footage of your roof. Measure the length of the roof and the breadth of one side. Install the roofing screws vertically along each rib in the panel. Here phil explains how much overhang a roof should have at the gutter.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. The net resultant of each is the same and perfect for gutters if they are installed. Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. The steel siding is 3 4 thick which leaves 1 1 2 to 1 3 4 of overhang past the siding after it is installed. There is a thing called wicking that if on a low enough slope will run up the underside of roofing and possible go up enough to get behind facia so usually without drip edge at least 2 with drip edge even. We recommend about 2.

Two feet is the general maximum length for a typical roof overhang. Though most overhang regardless because of discrepancies of the facia being straight so they run metal past to let it appear straight. 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. On page 365 the overhang is beyond a fascia board buildings with eave overhangs.

Divide the square footage of your roof by 18 to give you the number of sheets you ll need. This will protect a roof from most types of damage. A typical metal roof overhang may be 2 to 4 inches or even less.