Installing Metal 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 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. They have always been popular on barns commercial buildings and. Another added benefit is that the layers of your old roof will further insulate your home. Metal roofs have a long history of use.

Install the metal edging. In terms of building codes many municipalities now have placed limits. However you ll want to check with your local building department before you make any decisions. Make a slat board base on top of the shingles.

How to install metal roofing over shingles issues you might encounter. Can i install a new metal roof over shingles. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. 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.

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. How to install a metal roof over shingles hunker.