However you ll want to check with your local building department before you make any decisions.
Installation of metal roofing over existing shingles.
Another added benefit is that the layers of your old roof will further insulate your home.
Your goal with the roofing felt is to make sure everything is as.
There are really two ways to install a metal roof over a shingle roof.
Get a precise measurement of your roof surface.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
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 i install a new metal roof over shingles.
Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
By jamie lisse a metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
The first one being that the new underlayment will act as a second line of defense in case water would to somehow get underneath the metal roof.
If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.
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.
Getting an accurate measurement will help you determine the.
The low weight of metal roofing is one thing that encourages this.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
Start putting the metal panels.
Step by step guide step 1.
Yes you can install a metal roof over shingles.
Lay down roofing felt over the entire roof.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
This provides a couple of benefits.
Otherwise you will need to remove the shingles.
If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.
The first way is to run new underlayment over the existing shingle roof completely covering the old roof.
But you must take care to install shingles correctly so they lie flat.