Here are some pros and cons.
Putting on a metal roof over shingles.
Otherwise you will need to remove the shingles.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Consequently they don t have the same ventilation advantages.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the 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.
But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof.
Things to know about metal over shingle roof problems.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
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.
After all you ll be making a significant and long term investment.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
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.
Covering your existing asphalt shingles with metal roofing might be worth the expense.
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.
These systems aren t attached to a frame but instead install directly on the old roof.
Most codes now allow no more than two layers of roofing before.
Both metal and shingle roofs are great options for your next roofing project.
Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.
Need a new roof.
Let s take a look at the most common types of metal roofs for houses.