Metal Roof On Top Of Shingles

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.

Metal roof on top of shingles.

Metal roofing can be installed over top of shingles. Otherwise you will need to remove the shingles. This is by far the most common way to install a metal roof. This method has its benefits as well.

Of course there are some considerations to keep in mind. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. This can be a nuisance for homeowners. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins.

A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. 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. It is very much like constructing a non loadbearing interior wall framework and sticking that framework on top of your roof. Metal roof over shingles condensation.

Put the steel down directly on a vapor barrier. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. A shingle style roof is the most popular choice. One of the major advantages of metal roofing is that it is very lightweight.

Unlike most roofing materials metal roofs can be noisy especially when it rains or hails. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Typically a roof starts with shingles but did you know that you can actually just install the new metal roof on top of the shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Common problems with shingle roofs. 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. Adding additional layers of insulation can solve this problem but it will increase installation costs.

This makes it a perfect material to be installed right on top of an existing shingle roof.