Steel Roof Over Shingles

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

Steel roof 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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Yes oxygen and pollutants in water combined with the moisture create iron oxide otherwise known as rust. The metal used for the roof can be tin copper aluminum or steel.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Can i install a new metal roof over shingles.

You ll be surprised to learn that the primary cause of rusting and corrosion is water. Another added benefit is that the layers of your old roof will further insulate your home. 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. 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. Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. 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. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.

Cool outside air travels under the shingles to the vented ridge pulling out moisture and heat. Installing metal roofing over shingles is the best solution. A galvanized steel metal roof is highly susceptible to corrosion and rust over a period of time. This method has its benefits as well.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Make sure roof is square. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.