Installing Metal Roofing Over Shingles

Some consideration for vent stacks and chimneys is required during the design process.

Installing metal roofing over shingles. Installing a steel roof will cost approximately 60 per square foot. How to install a metal roof over shingles. However you ll want to check with your local building department before you make any decisions. Make sure roof is square.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Use 1 1 4 inch. Install your metal edging around the perimeter of your 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. Make a slat board base on top of the 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. Metal roofing is also available in the form of shingles.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. 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. Install the metal edging. Can i install a new metal roof over shingles.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Yes you can install a metal roof over shingles. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. Installing steel roofing over existing roofing materials is fairly simple.