Can You Put Metal Roofing Over Shingles

As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Can you put metal roofing over shingles.

Both metal and shingle roofs are great options for your next roofing project. However you ll want to check with your local building department before you make any decisions. Asphalt shingles can weigh up to four pounds per square foot depending on the brand. On has the metal expands and contracts due to weather changes the metal will actually move.

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. After all you ll be making a significant and long term investment. Yes you can install a metal roof over shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. However there are some things that you will want to check out before doing it this way.

In some areas building officials only allow a re roof over one layer of shingles. Metal roofing weighs less than one pound per square foot. If you don t want to take our word for it check with your local building department. By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could.

Some contractors feel that there is a problem with too much weight causing stress on the roof trusses and that condensation could be an issue. 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. 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.

Can you install metal roofing over shingles the answer is yes. Other areas will allow you to re. 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. 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.

This is by far the most common way to install a metal roof. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.