Steel Roof Panels Over Shingles

There are really two ways to install a metal roof over a shingle roof.

Steel roof panels over shingles.

So when we talk about metal roofing over shingles how does it work. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Otherwise you will need to remove the shingles. Install the roofing screws vertically along each rib in the panel.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the 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. This provides a couple of benefits.

Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. The first way is to run new underlayment over the existing shingle roof completely covering the old roof. By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Put the steel down directly on a vapor barrier. Installing a steel roof will cost approximately 60 per square foot. Some consideration for vent stacks and chimneys is required during the design process. Our metal roofing profiles.

Installing steel roofing over existing roofing materials is fairly simple. 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. Place the first screw. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

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