Otherwise you will need to remove the shingles.
Putting on 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.
After all you ll be making a significant and long term investment.
Need a new roof.
Besides the necessary roofing skills you will need to learn tips specific to shingles installation.
Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.
Let s take a look at the most common types of metal roofs for houses.
Here are some pros and cons.
Both metal and shingle roofs are great options for your next roofing project.
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.
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.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
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.
The low weight of metal roofing is one thing that encourages this.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Things to know about metal over shingle roof problems.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
However you can install metal roofing over the asphalt shingles but vice versa is not recommended.
Installing shingles over metal roofing is not a thing that you should even try to do.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
Most codes now allow no more than two layers of roofing before.
Advantages of metal roofs in general.
Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.