However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Installing steel roof over shingles step by step.
Make sure roof is square.
Anatomy of a steel roof.
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.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Most metal shingles will be attached to the roof using metal shingle.
Step by step guide step 1.
Otherwise you will need to remove the shingles.
Lay down roofing felt over the entire roof.
However you ll want to check with your local building department before you make any decisions.
Your goal with the roofing felt is to make sure everything is as.
Yes you can install a metal roof over shingles.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Getting an accurate measurement will help you determine the.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
Find the best way possible to get to the roof with the tar paper.
Get a precise measurement of your roof surface.
This is by far the most common way to install a metal roof.