How To Put On Metal Roof Over Shingles

Let s take a look at the most common types of metal roofs for houses.

How to put on metal roof over shingles.

Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. What s involved in how to install metal roofing. Advantages of metal roofs in general. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

A metal roof can be installed over a shingle roof but you ll need to make sure the plywood under your shingle roof is in good enough shape to handle a new metal roof over top. The low weight of metal roofing is one thing that encourages this. Can i install a new metal roof over shingles. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.

Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. We get asked this question all the time. Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.

Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Otherwise you will need to remove the shingles. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

This is by far the most common way to install a metal roof. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. Make sure roof is square. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.