Metal Roof On House Over Shingles

Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it.

Metal roof on house over shingles.

Otherwise you will need to remove the shingles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Disadvantages of metal roofs.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Advantages of metal roofs over shingles. Things to know about metal over shingle roof problems.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Anatomy of a steel roof this is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. This method has its benefits as well. After all you ll be making a significant and long term investment.

It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. 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.