Do It Yourself Metal Roofing Over Shingles

Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Do it yourself metal roofing over shingles. Before you install metal roofing repair any damage to the wood under the shingles. 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. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof for those who want to learn how to instal a metal roof on their own. But first here are a few precautions about the underlying material.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Installation of metal roofing over shingles. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. Make sure roof is square.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Installing steel roofing over existing roofing materials is fairly simple.
These systems aren t attached to a frame but instead install directly on the old roof. We re going to break them down so you know what to look out for. If you choose to install metal roofing over shingles there are certain things you must keep in mind. Otherwise you will need to remove the shingles.