Metal Roof Over Shake Shingles

Yes you can install a metal roof over shingles.

Metal roof over shake shingles.

The answer is no you don t need to tear all the shingles off the roof because metal roofing can be installed on top of them. Every roof needs to be evaluated individually. Ideally a metal tile shake or shingle roof should only be installed over one or at most two layers of existing roofing and providing that the existing roof framing and decking is in good condition. On top of that shake shingles are expensive and expensive to install.

After all you ll be making a significant and long term investment. And any sap from overhanging trees will encourage mildew. However the combined weight of asphalt shingles and metal roofing may require additional support in the roofing structure. However there are a number of individual site conditions that you should look for to help you determine if your job is a suitable candidate.

The biggest advantage of metal roofing is that even though metal is generally seen as being heavy metal roofing is light. And once rot sets in you ll probably need to look at replacing your entire roof. In a typical year approximately 90 of the roofs our company manufactures are installed over old shingles. The weight of the roofing system.

Most buildings are designed to support the heaviest roofing systems. A shake roof also needs to be kept clean of any tree debris such as leaves or branches. Both metal and shingle roofs are great options for your next roofing project. Remove roof shingles before installing a metal roof.

Things to know about metal over shingle roof problems. In simple terms if the asphalt shingles are not used to support the metal roof then you can install a metal roof over the asphalt shingles. 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. The metal roof must rely on the building s framework for full support.

In my opinion going over the old shingles is worthy of consideration because of the benefits of doing so. 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. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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.