Can You Put A Metal Roof Over Shingles

One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof.

Can you put a metal roof over shingles.

Yes you can install a metal roof over shingles. However there are some things that you will want to check out before doing it this way. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Besides the necessary roofing skills you will need to learn tips specific to shingles installation.

However you ll want to check with your local building department before you make any decisions. 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. However you can install metal roofing over the asphalt shingles but vice versa is not recommended. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended.

Otherwise you will need to remove the shingles. Installing shingles over metal roofing is not a thing that you should even try to do. For one you will need to check with your local building department and ask if this is an approved installation method. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot. 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.