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