Installing Corrugated Metal Roofing Over Shingles

We re going to break them down so you know what to look out for.

Installing corrugated metal roofing over shingles.

Address any existing roof leaks and replace rotten rafters or. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas. Metal roofing is resistant to fire rot and termites. The metal used for the roof can be tin copper aluminum or steel.

Installing steel roofing over existing roofing materials is fairly simple. This method has its benefits as well. Remove the old roofing. Steel roofing can be costly but it is a lifetime investment.

Noise is usually not a factor if you are installing a steel roof over asphalt. Manufacturers provide 30 year warranties on metal roofing products. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once.

Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Steel roofing offers many benefits over slate tiles or asphalt shingles. 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.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Installation of metal roofing over shingles. Otherwise you will need to remove the shingles. If you choose to install metal roofing over shingles there are certain things you must keep in mind.

Use furring strips to build a slat board on the roof then mount the steel. 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. 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. But first here are a few precautions about the underlying material.

One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms. 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.