Installing Corrugated Metal Roofing Over Shingles

Installation of metal roofing over shingles.

Installing corrugated metal roofing over shingles.

A corrugated metal roof is quieter than pvc when it rains. Manufacturers provide 30 year warranties on metal roofing products. Installing metal roofing over shingles is the best solution. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.

When choosing to install a metal roof homeowners need to. Noise is usually not a factor if you are installing a steel roof over asphalt. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. This method has its benefits as well.

Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. Make sure roof is square. Remove the old roofing. One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Installing steel roofing over existing roofing materials is fairly simple. 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. Metal roofing is resistant to fire rot and termites.

Address any existing roof leaks and replace rotten rafters or. We re going to break them down so you know what to look out for. Use furring strips to build a slat board on the roof then mount the steel. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.

But first here are a few precautions about the underlying material. Steel roofing can be costly but it is a lifetime investment. 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. If you choose to install metal roofing over shingles there are certain things you must keep in mind.

Otherwise you will need to remove the shingles. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.