Steel Roof Panels Over Shingles

Some consideration for vent stacks and chimneys is required during the design process.

Steel roof panels over shingles.

The first one being that the new underlayment will act as a second line of defense in case water would to somehow get underneath 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. There are really two ways to install a metal roof over a shingle roof. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. Install the roofing screws vertically along each rib in the panel. This provides a couple of benefits.

It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Our metal roofing profiles. By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. So when we talk about metal roofing over shingles how does it work.

Installing a steel roof will cost approximately 60 per square foot. Place the first screw. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Put the steel down directly on a vapor barrier. Installing steel roofing over existing roofing materials is fairly simple.

The first way is to run new underlayment over the existing shingle roof completely covering the old roof.