Do It Yourself Metal Roofing Over Shingles. We re going to break them down so you know what to look out for. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Make sure roof is square.
Installing steel roofing over existing roofing materials is fairly simple. Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. These systems aren t attached to a frame but instead install directly on the old roof. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
