Metal Roof Overlap Length

On the eave side of the roof aim to overhang the panels by 1 to 1 5 inches.

Metal roof overlap length.

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. Length and width standard lengths for corrugated roofing are 8 10 and 12 feet. 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. Install the roofing screws vertically along each rib in the panel.

Common metal roof sheet sizes roofing panels come in many styles and dimensions with different overlap dimensions. The most common lengths are 8 10 12 and 16 however many distributors will cut to length. 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. We recommend about 2.

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. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Cut the panels to the desired length.

Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. Metal sealing and fastening apply side lap sealant if the pitch of your roof is 2 12 or less. Divide the square footage of your roof by 18 to give you the number of sheets you ll need. Most panels come up to 32 feet 9 8 m in length.

There are various lengths widths and thicknesses available depending on your needs. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. 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.