Installing Metal Roof Directly 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.

Installing metal roof directly over shingles.

Yes you can install a metal roof over shingles. How to install a metal roof over shingles hunker. Install your metal edging around the perimeter of your roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal 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. 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. Another added benefit is that the layers of your old roof will further insulate your home.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Make a slat board base on top of the 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. Install over a framework of 2x2s.

Best setting for installing a metal roof over shingles on tight budget. Install the metal edging. This framework has three big advantages. How to install a metal roof over shingles on a budget.