Metal Roof On House Over Shingles

Both metal and shingle roofs are great options for your next roofing project.

Metal roof on house over shingles.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. Advantages of metal roofs over shingles.

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. This method has its benefits as well. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them from being thrown into landfills. Things to know about metal over shingle roof problems. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Disadvantages of metal roofs.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Otherwise you will need to remove the shingles. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.