Is Metal Roofing Installation Over Shingles Possible?
Is it possible to install metal roofing above former tarmac shingles or Fiberglass? This is a very frequent question that we come across periodically. And the reply is yes it is possible and the advantage is, you end up saving by putting effort in and also overcoming the harassment of shredding off the former roof without any distribution in stuffing our landfills. Other than this there is an advantage that the coating of the previous roof will further protect your house. Metal is the superior selection as it has little weight per square feet and has an exclusive design. The mass of metal roofing is below one pound per square feet. Tarmac Shingle weighs around four pounds per square feet depending on the product manufacture. If you prefer not to take any risk, then first verify with your neighbouring building department. In certain regions the building officials only support re-roofing above one coating of shingles. Other regions can permit re roofing two coatings of shingles. Often, i
