Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
Can you put a metal roof over shingles in florida.
Things to know about metal over shingle roof problems.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
Yes you can install a metal roof over shingles.
Both metal and shingle roofs are great options for your next roofing project.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida.
The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.
On has the metal expands and contracts due to weather changes the metal will actually move.
This method has its benefits as well.
Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
This is by far the most common way to install a metal roof.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
A metal roof can be installed over a shingle roof but you ll need to make sure the plywood under your shingle roof is in good enough shape to handle a new metal roof over top.
However you ll want to check with your local building department before you make any decisions.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
After all you ll be making a significant and long term investment.
Can i install a new metal roof over shingles.
Another added benefit is that the layers of your old roof will further insulate your home.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.