Installing Steel 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.

Installing steel roof over shingles.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Can i install a new metal roof over shingles.

Yes you can install a metal roof over 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. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Make a slat board base on top of the shingles.

Another added benefit is that the layers of your old roof will further insulate your home. Make sure roof is square. 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. However you ll want to check with your local building department before you make any decisions.

Install the metal edging. 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 your metal edging around the perimeter of your roof. 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.