Disadvantages of metal roofs.
Pros and cons of metal roof over shingles.
By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them from being thrown into landfills.
You ll be surprised to learn that the primary cause of rusting and corrosion is water.
A galvanized steel metal roof is highly susceptible to corrosion and rust over a period of time.
As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important.
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.
A full paint job or repainting is a significant endeavor and painting a metal roof costs between 1 100 and 3 700.
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.
When unpainted or uncoated it is vulnerable to rust and corrosion.
Professionally coating a metal roof costs 1 2 per square foot.
There is more labor involved in a tear off job as the old roof must be completely removed and any problem areas repaired.
Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it.
Fully replacing your old roof comes at a higher cost than an overlay.
A complete replacements costs thousands of dollars.