Installing Corrugated Metal Roofing Over Shingles

Remove the old roofing.

Installing corrugated metal roofing over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. When choosing to install a metal roof homeowners need to. Manufacturers provide 30 year warranties on metal roofing products. Noise is usually not a factor if you are installing a steel roof over asphalt.

Installing metal roofing over shingles is the best solution. If you choose to install metal roofing over shingles there are certain things you must keep in mind. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.

The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Otherwise you will need to remove the shingles. Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing. The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. This method has its benefits as well.

Steel roofing can be costly but it is a lifetime investment. Installing steel roofing over existing roofing materials is fairly simple. A corrugated metal roof is quieter than pvc when it rains. Address any existing roof leaks and replace rotten rafters or.

Use furring strips to build a slat board on the roof then mount the steel. We re going to break them down so you know what to look out for. Steel roofing offers many benefits over slate tiles or asphalt shingles. Metal roofing is resistant to fire rot and termites.

Installation of metal roofing over shingles. Make sure roof is square.