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.

Metal sealing and fastening apply side lap sealant if the pitch of your roof is 2 12 or less. Cut the panels to the desired length. Divide the square footage of your roof by 18 to give you the number of sheets you ll need. There are various lengths widths and thicknesses available depending on your needs.

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. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount. The most common lengths are 8 10 12 and 16 however many distributors will cut to length. Common metal roof sheet sizes roofing panels come in many styles and dimensions with different overlap dimensions. 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. Most panels come up to 32 feet 9 8 m in length. The most common widths are 24 and 36 exposed but the actual width of the panel will be larger to accommodate an overlap. 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.

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