Is It Ok To Install A Metal Roof Over Shingles

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.

Is it ok to install a metal roof over shingles.

Both metal and shingle roofs are great options for your next roofing project. For instance decking isn t suitable for a third replacement regardless of condition so a third installation with the same decking won t be structurally sound. Things to know about metal over shingle roof problems. This method has its benefits as well.

Can i install a new metal roof over shingles. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 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. The second way to install a metal roof over a shingle roof is with the use of purlins or battens.

The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacture has testing for their roofing panels and then the metal is installed to the purlins. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.