However you ll want to check with your local building department before you make any decisions.
Steel roof over shingles or remove.
Remove roof shingles before installing a metal roof.
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.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
After all you ll be making a significant and long term investment.
In a typical year approximately 90 of the roofs our company manufactures are installed over old shingles.
Yes you can install a metal roof over shingles.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability.
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.
1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Some roofing contractors recommend reroofing with standing seam metal because the total roof weight is but a fraction of a standard asphalt shingle roof which helps preserve the roofing integrity.
Things to know about metal over shingle roof problems.
We get asked this question all the time.
Both metal and shingle roofs are great options for your next roofing project.
They are available in a variety of colors and textures are low cost and provide a traditional aesthetic.
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.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Every roof needs to be evaluated individually.
Asphalt shingles are the most popular roofing material.
This method has its benefits as well.
Otherwise you will need to remove the shingles.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
In my opinion going over the old shingles is worthy of consideration because of the benefits of doing so.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.