Otherwise you will need to remove the shingles.
Roof bats in shingled roofs.
However an asphalt roof will need to be replaced two or three times during that same 60 year period.
Use a staple gun or hammer tacker to staple the felt to the roof.
Warranties for asphalt shingles.
Ensure that each higher strip slightly overlaps the strip below it.
Place staples 6 to 8 inches 15 2 to 20 3 cm apart in the.
Shingle roofs are cheaper up front.
Though you ll get more life out of a metal roof you ll pay the price at the time of installation.
Lay strips of felt horizontally across the roof.
A metal roof can last for 60 years or more with little maintenance.
However if the steel roof is installed over an existing asphalt roof noise shouldn t be a problem.
Steel roofs can be noisy and unattractive in residential settings.
Shingle is a corruption of german schindle schindel meaning a roofing slate.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
The first course is the starter course and the last being a ridge course or ridge slates.
And as you can see from the photos if you pick a good looking style from the many choices available your house definitely won t look like a cattle barn.
Metal roofs generally can run from 120 to 900 per 100.
Shingles are laid in courses usually with each shingle offset from its neighbors.
Most roofing manufacturers offer a 50 year warranty on metal roofs.