Steel Roof Over 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.

Steel roof over shingles.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. A galvanized steel metal roof is highly susceptible to corrosion and rust over a period of time. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing 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.

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 metal used for the roof can be tin copper aluminum or steel. This method has its benefits as well. Make sure roof is square.

Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. Another added benefit is that the layers of your old roof will further insulate your home. Otherwise you will need to remove the shingles. Installing metal roofing over shingles is the best solution.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. You ll be surprised to learn that the primary cause of rusting and corrosion is water. Cool outside air travels under the shingles to the vented ridge pulling out moisture and heat.

Put the steel down directly on a vapor barrier. Can i install a new metal roof over shingles. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.