Installing Metal Roofing Over 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.

Installing metal roofing over shingles.

Metal roofing is also available in the form of shingles. Install your metal edging around the perimeter of your roof. Use 1 1 4 inch. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof.

Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Some consideration for vent stacks and chimneys is required during the design process. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

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 the metal edging. Make a slat board base on top of the shingles. Yes you can install a metal roof over shingles.

Can i install a new metal roof over shingles. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Another added benefit is that the layers of your old roof will further insulate your home. 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.

However you ll want to check with your local building department before you make any decisions. Installing a steel roof will cost approximately 60 per square foot. 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.