Steel Roofing Over Asphalt Shingles

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

Steel roofing over asphalt shingles.

Installing steel roofing over existing roofing materials is fairly simple. Manufacturers provide 30 year warranties on metal roofing products. 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. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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. 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.

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. 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. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. 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. See the full post here.

Yes you can install a new metal roof over the top of an existing asphalt shingle roof provided there are not too many layers. Metal roofing is resistant to fire rot and termites. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Asphalt shingle roofing is a dominant material for residences.

How to install metal roofing over shingles.