Install rubber or foam.
Installing a metal roof over shingles 2016.
The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
Make a slat board base on top of the shingles.
Start putting the metal panels into place.
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.
Install the metal edging.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
Getting an accurate measurement will help you determine the exact amount of material.
This method has its benefits as well.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
The low weight of metal roofing is one thing that encourages this.
However you ll want to check with your local building department before you make any decisions.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet.
Install your metal edging around the perimeter of your roof.
Lay down roofing felt over the entire roof.
A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.
After all you ll be making a significant and long term investment.
Both metal and shingle roofs are great options for your next roofing project.
Get a precise measurement of your roof surface.
Flashing is metal trim that fits over joints where two sections of roof meet.
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.
How to install a metal roof over shingles hunker.
Yes you can install a metal roof over shingles.
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.
It helps direct water away from the.
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.
The flashing should overlap the edge of the roof by one inch to help direct.
