Is It Ok To Install Metal Roofing Over Shingles

Address any existing roof leaks and replace rotten rafters or.

Is it ok to install metal roofing over shingles. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. If you choose to install metal roofing over shingles there are certain things you must keep in mind. After all you ll be making a significant and long term investment. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

Can i install a new metal roof over shingles. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise. 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.

Otherwise you will need to remove the shingles. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Both metal and shingle roofs are great options for your next roofing project.

But first here are a few precautions about the underlying material. We get asked this question all the time. Should old shingles be removed before new installation. 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.

What s involved in how to install metal roofing. This method has its benefits as well. The second way to install a metal roof over a shingle roof is with the use of purlins or battens. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

We re going to break them down so you know what to look out for. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

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. 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. Things to know about metal over shingle roof problems. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

So the investment.