How To Install Corrugated Metal Roofing On A Flat Roof

If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.

How to install corrugated metal roofing on a flat roof. Multiply those numbers and then double the result for the square footage of your roof. Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. To install corrugated roofing start by cutting your panels to length with an angle grinder.

Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Clear roofing panels i used the suntuf 26 x 8 panels. Compared to asphalt shingles that weigh an average of 2 5 lbs. Before you start to install corrugated metal roofing you need to figure out how much you need.

Place corner pieces where panels will meet bends at the edge of the roofing. They also come in 12 lengths if you have a bigger roof to cover. Per square foot metal roofing panels only weigh 7 to 1 3 pounds per square foot which allows the panels to be installed over existing roofing materials. Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.