If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
Metal roofing over existing shingle.
If your asphalt shingle roof has leaks those problems need to be addressed.
Things to know about metal over shingle roof problems.
Address any existing roof leaks and replace rotten rafters or.
But first here are a few precautions about the underlying material.
If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Parts of the roofing system may have water damage and these issues would have to be repaired or replaced.
The benefits of a metal roof are worth giving metal roofing a chance.
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.
If you are ready to give this a go talk to us and let us help you out with your metal roofing needs.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Installation of metal roofing over shingles.
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.
However there are some things that you will want to check out before doing it this way.
After all you ll be making a significant and long term investment.
A metal roof is a great solution and as we highlighted above you can install a metal roof over your existing shingles.
We re going to break them down so you know what to look out for.
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.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
If not then new plywood will need to be installed and that will mainly mean re roofing from the very beginning.
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.
Prior to installing a metal roof over an existing shingle roof fix any rotten wood sheeting or rafters.