Can You Put Metal Roofing Over Shingles

Can i install a new metal roof over shingles.

Can you put metal roofing over shingles.

Metal roofs are much lighter than shingles so they are able to be installed over an existing roof. One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. 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.

Most codes now allow no more than two layers of roofing before requiring a complete tear off. However you ll want to check with your local building department before you make any decisions. So if your roof has two layers it may require a complete tear off even though steel is lighter than asphalt. Yes you can install a metal roof over shingles.

For one you will need to check with your local building department and ask if this is an approved installation method. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. However once again our team never recommends doing so.

Attach it by driving nails into the outside edges only. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Of course there are some considerations to keep in mind. The answer is yes.

A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof. Choose a material like steel or aluminum which are lighter metal materials rather than heavier material like copper. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. However there are some things that you will want to check out before doing it this way.

Otherwise you will need to remove the shingles. Metal roofing can be installed over top of shingles. Attach it by driving nails into the outside edges only. If you have an open valley install new w shape metal or vinyl valley flashing to fit directly over the old flashing.

One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof. Another added benefit is that the layers of your old roof will further insulate your home.