Installing Steel Roof Over Shingles

Make sure roof is square.

Installing steel 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. If you want to install steel over asphalt your best choice 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 install a metal roof over shingles.

How to install a metal roof over shingles hunker. 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. Make a slat board base on top of the 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.

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. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. However you ll want to check with your local building department before you make any decisions. Install your metal edging around the perimeter of your roof.

Install the metal edging. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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.