Steel Roofing Over Asphalt Shingles

How to install metal roofing over shingles.

Steel roofing over asphalt shingles.

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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. If you want to install steel over asphalt your best choice is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.

Metal roofing is resistant to fire rot and termites. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. If you want to install steel over asphalt your best choice is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. 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. In contrast steel shingles are small panels installed in horizontal rows much like other shingles. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. Now there are metal shingles and panels that imitate materials like slate tile wood shake and even asphalt.

It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. However metal roofing is surging in popularity as more aesthetic options become available. Installing steel roofing over existing roofing materials is fairly simple. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

Put the steel down directly on a vapor barrier. See the full post here. Manufacturers provide 30 year warranties on metal roofing products. Steel roofing offers many benefits over slate tiles or asphalt 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.