Proper Way To Install Metal Roofing Over Shingles

This is by far the most common way to install a metal roof.

Proper way to install metal roofing over shingles.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 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. 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. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for.

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. But metal roofing shingle installation can be system specific. Use proper fall protection equipment and be certain the system is anchored to your roof studs correctly. 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.

Next use 1 inch nails to secure some metal edging to the perimeter of the roof. Yes you can install a metal roof over shingles. Before you install metal roofing repair any damage to the wood under the shingles. 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.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. However you ll want to check with your local building department before you make any decisions. Over time if there wasn t a buffer in between the shingle granules would wear away at the back of the metal roofing panels. Then cover the entire roof with a layer of insulation and secure it with a staple gun.

Installing steel roofing over existing roofing materials is fairly simple.