Metal Roof Overlap Length

Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet.

Metal roof overlap length.

Common metal roof sheet sizes roofing panels come in many styles and dimensions with different overlap dimensions. We recommend about 2. Cut the panels to the desired length. Multiply those numbers and then double the result for the square footage of your roof.

The most common lengths are 8 10 12 and 16 however many distributors will cut to length. Length and width standard lengths for corrugated roofing are 8 10 and 12 feet. Install the roofing screws vertically along each rib in the panel. 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.

Metal sealing and fastening apply side lap sealant if the pitch of your roof is 2 12 or less. The most common widths are 24 and 36 exposed but the actual width of the panel will be larger to accommodate an overlap. If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount. On the eave side of the roof aim to overhang the panels by 1 to 1 5 inches.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Most panels come up to 32 feet 9 8 m in length. Measure the length of the roof and the breadth of one side. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department.

In other words if the height of the roof drops by 2 inches for every 12 inches in length you will need to use sealant to strengthen the overlap barrier. Divide the square footage of your roof by 18 to give you the number of sheets you ll need. 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.