Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
Installing steel roof over shingles step by step.
Get a precise measurement of your roof surface.
Start putting the metal panels.
Anatomy of a steel roof.
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 is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
Otherwise you will need to remove the shingles.
Your goal with the roofing felt is to make sure everything is as.
Step by step guide step 1.
However you ll want to check with your local building department before you make any decisions.
Find the best way possible to get to the roof with the tar paper.
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.
Yes you can install a metal roof over shingles.
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.
Lay down roofing felt over the entire roof.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
What s involved in how to install metal roofing.
Most metal shingles will be attached to the roof using metal shingle.