Can You Put A Metal Roof Over Shingles

However you ll want to check with your local building department before you make any decisions.

Can you put a metal roof over shingles. The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof. Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida. 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. 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. One big advantage to metal roofing is its light weight which means metal roofing can be installed over an existing shingle roof.

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. 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. Otherwise you will need to remove the shingles. Besides the necessary roofing skills you will need to learn tips specific to shingles installation.

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. If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.