How To Install Metal Roofing Over Asphalt Shingles

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

How to install metal roofing over asphalt shingles.

Can i install a new metal roof over shingles. Steel roofing offers many benefits over slate tiles or asphalt shingles. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. We get asked this question all the time.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Manufacturers provide 30 year warranties on metal roofing products. Metal roofing is resistant to fire rot and termites. Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base.

Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. 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.

Make sure roof is square. Install metal roofing sheets. Place a sheet from top to bottom on a section of the roof. 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. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Installing steel roofing over existing roofing materials is fairly simple. Metal roofing sheets have to be installed one at a time.