How To Install Steel Roofing Over Shingles

Can i install a new metal roof over shingles.

How to install steel roofing over shingles.

Installing steel roofing over existing roofing materials is fairly simple. Make a slat board base on top of the shingles. Installing a steel roof will cost approximately 60 per square foot. Use 1 1 4 inch.

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

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Yes you can install a metal roof over shingles. We get asked this question all the time. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Install your metal edging around the perimeter of your roof. However you ll want to check with your local building department before you make any decisions. 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.

3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.

How to install a metal roof over shingles.