Install Steel Roofing Over Asphalt Shingles

Yes you can install a new metal roof over the top of an existing asphalt shingle roof provided there are not too many layers.

Install steel roofing over asphalt 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. 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. Make a slat board base on top of the shingles. 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.

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

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. Installing steel roofing over existing roofing materials is fairly simple. Some consideration for vent stacks and chimneys is required during the design process.

Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. 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. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal 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. However you ll want to check with your local building department before you make any decisions.