Proper Way To Install Metal Roofing Over Shingles

Before you install metal roofing repair any damage to the wood under the shingles.

Proper way to install metal roofing over shingles. Then cover the entire roof with a layer of insulation and secure it with a staple gun. This is by far the most common way to install a metal roof. Over time if there wasn t a buffer in between the shingle granules would wear away at the back of the metal roofing panels. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

Metal roofing is a unique trend in roofing and this guide will walk you through the steps including how to install metal roofing over shingles. Yes you can install a metal roof over shingles. However you ll want to check with your local building department before you make any decisions. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products. Installing steel roofing over existing roofing materials is fairly simple. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Use proper fall protection equipment and be certain the system is anchored to your roof studs correctly.

The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof.