Because they re largely made of recycled material and can be recycled again and again metal roofs are considered a more sustainable choice than asphalt shingles.
Steel roof over shingles or not.
This makes it a perfect material to be installed right on top of an existing shingle roof.
It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same.
Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
One of the major advantages of metal roofing is that it is very lightweight.
As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important.
Common metal roof problems.
Installing metal roofing over shingles is the best solution.
The metal used for the roof can be tin copper aluminum or steel.
However it is best to consult with a professional as to your situation.
You want to be sure that the roof and shingles are in suitable shape for the project.
The answer is yes.
Metal roofing can be installed over top of shingles.
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.
Put the steel down directly on a vapor barrier.
Below are some of the most common cons of a metal paneled roof.
While metal roof systems are one of the most durable and environmentally friendly roofing material available on the market it does come with its fair share of disadvantages.
Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended.
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.
No you do not have to tear off your shingle roof.
The low weight of metal roofing is one thing that encourages this.
However there are some things that you will want to check out before doing it this way.