Metal Roofing Over Existing Shingle

Installation of metal roofing over shingles.

Metal roofing over existing shingle.

But first here are a few precautions about the underlying material. Parts of the roofing system may have water damage and these issues would have to be repaired or replaced. Things to know about metal over shingle roof problems. 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.

We re going to break them down so you know what to look out for. A metal roof can very easily be installed over a traditional shingle roof but it is essential to make sure that the plywood is in good condition. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. Can you install metal roofing over shingles the answer is yes.

Both metal and shingle roofs are great options for your next roofing project. After all you ll be making a significant and long term investment. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. The benefits of a metal roof are worth giving metal roofing a chance.

The low weight of metal roofing is one thing that encourages this. If not then new plywood will need to be installed and that will mainly mean re roofing from the very beginning. If you choose to install metal roofing over shingles there are certain things you must keep in mind. Address any existing roof leaks and replace rotten rafters or.

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 vast majority of installations of the metal roofing systems produced by my company are over existing shingles. If your asphalt shingle roof has leaks those problems need to be addressed. One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof.

A metal roof is a great solution and as we highlighted above you can install a metal roof over your existing shingles.