Putting Metal Roof Over Shingles

I would like to know what the pros and cons are in regards to putting on a metal roof over your excisting shingles verses removing the shingles and also if the warrenty is any different if you leave the shingles on.

Putting metal roof over shingles.

This allows the new underlayment to act as a line of defense in the event that water somehow gets under the metal roof. Like all such questions more details are required before a definitive opinion can be offered. Need a new roof. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.

Advantages of metal roofs in general. Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. After all you ll be making a significant and long term investment.

Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal. 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. Here are some pros and cons. But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof.

There are two primary methods implemented when installing metal roofing over shingles. Things to know about metal over shingle roof problems. 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. Can you put metal roof over shingles the reason why this is important is because a shingle roof is granulated very similar to sandpaper.

Most codes now allow no more than two layers of roofing before. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles. Both metal and shingle roofs are great options for your next roofing project. The first is running new underlayment over an existing shingle roof thus covering the old roof. Thanks for your time.

On has the metal expands and contracts due to weather changes the metal will actually move. Installing metal roofing over shingles is the best solution.