Installing Metal Roof Over Shingles

Make a slat board base on top of the shingles.

Installing metal roof over shingles.

Can i install a new metal roof over shingles. 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. Yes you can install a metal roof over shingles.

They have always been popular on barns commercial buildings and. 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. 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.

Metal roofs have a long history of use. How to install a metal roof over shingles hunker. Another added benefit is that the layers of your old roof will further insulate your home. In terms of building codes many municipalities now have placed limits.

Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. However you ll want to check with your local building department before you make any decisions. Install the metal edging.