Otherwise you will need to remove the shingles.
How to install metal roofing over shingles youtube.
This is part 1 of a 6 part video series explaining how i installed a metal roof on my house.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Make sure roof is square.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty.
In this video i cover measuring the roof figuring the metal th.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
This is by far the most common way to install a metal roof.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
This is not a complete install only basic install on a bungalow i.
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.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.