Metal Roof Overlap Length

Common metal roof sheet sizes.

Metal roof overlap length.

There are various lengths widths and. Metal roofs though less appealing than shingle or tile is a more fire resistant and heat reflecting roofing option. Corrugated roof sheet sizes. The easy installation involves placing metal panels on your roof but you ll need to be mindful of metal roof overlap.

Roofing panels come in many styles and dimensions with different overlap dimensions. 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. Measure the length of the roof and the breadth of one side. Divide the square footage of your roof by 18 to give you the number of sheets you ll need.

Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. Multiply those numbers and then double the result for the square footage of your roof. Depending on the climate you live in the resulting weather patterns and the way your panels are installed the required amount of metal roof overhang will differ. The most common lengths are 8 10 12 and 16 however many distributors will cut to length.

If your panels aren t layered properly water damage can occur. See section 6 page 4 for screw patterns ordering and applying trim the ridge cap which is used at the peak of a roof where opposing roof slopes join is the most. 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. The most common widths are 24 and 36 exposed but the actual width of the panel will be larger to accommodate an overlap.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Metal panels should be installed with a 14 woodgrip screw with a neoprene washer here after referred to as metal screws in the flat of the metal of metal beside the major rib. We recommend about 2.