Metal Roof Overlap Length

Metal sealing and fastening apply side lap sealant if the pitch of your roof is 2 12 or less.

Metal roof overlap length.

If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount. 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. The most common widths are 24 and 36 exposed but the actual width of the panel will be larger to accommodate an overlap. 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.

Divide the square footage of your roof by 18 to give you the number of sheets you ll need. Cut the panels to the desired length. 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. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Multiply those numbers and then double the result for the square footage of your roof. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department.

The most common lengths are 8 10 12 and 16 however many distributors will cut to length. There are various lengths widths and thicknesses available depending on your needs. Common metal roof sheet sizes roofing panels come in many styles and dimensions with different overlap dimensions. 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. We recommend about 2. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet.