Is metal more expensive than asphalt to install on a roof.
Sheet metal roof over shingles.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
The metal used for the roof can be tin copper aluminum or steel.
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.
Let s take a look at the most common types of metal roofs for houses.
What s involved in how to install metal roofing.
Installing steel roofing over existing roofing materials is fairly simple.
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.
This is by far the most common way to install a metal roof.
Installing metal roofing over shingles is the best solution.
Anatomy of a steel roof.
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.
This is not a complete install only basic install on a bungalow i.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
It may be possible to install a metal roof over shingles but this must be permitted by the local building code in your area.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
When choosing to install a metal roof homeowners need to.
Steel roofing offers many benefits over slate tiles or asphalt shingles metal roofing is resistant to fire rot and termites manufacturers provide 30 year warranties on metal roofing products.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
In most cases metal roofing and installation is more expensive than asphalt.
Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100.
A standard minimum for a sheet of metal placed on the roof so that it overhangs the edge is at least of an inch to 1 inch 2 2 5cm.
Otherwise you will need to remove the shingles.
On the other hand a maximum is around 8 11 inches.