Installing Metal Roofing Over Shingles

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Installing metal roofing over shingles.

How to install a metal roof over shingles. Can i install a new metal roof over shingles. Use 1 1 4 inch. 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.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Metal roofing is also available in the form of shingles. Installing a steel roof will cost approximately 60 per square foot. 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. Another added benefit is that the layers of your old roof will further insulate your home. Installing steel roofing over existing roofing materials is fairly simple. Yes you can install a metal roof over shingles.

Install your metal edging around the perimeter of your roof. Some consideration for vent stacks and chimneys is required during the design process. 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. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.

Make sure roof is square. Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof. Install the metal edging. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof.