How to install metal roofing over shingles issues you might encounter.
Installing metal roof over shingles.
It provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow.
Install your metal edging around the perimeter of your roof.
In terms of building codes many municipalities now have placed limits.
They have always been popular on barns commercial buildings and.
However you ll want to check with your local building department before you make any decisions.
Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.
Make a slat board base on top of the shingles.
You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
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.
How to install a metal roof over shingles hunker.
Metal roofs have a long history of use.
Yes you can install a metal roof over 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.
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.