How To Install Steel Roof Panels Over Shingles

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

How to install steel roof panels over shingles. This is by far the most common way to install a metal roof. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Some consideration for vent stacks and chimneys is required during the design process. 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. Installing a steel roof will cost approximately 60 per square foot. If you want to install steel over asphalt your best choice is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel. How to install a metal roof over shingles.

Can i install a new metal roof over shingles. Installing steel roofing over existing roofing materials is fairly simple. Install the metal edging. We get asked this question all the time.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. Make sure roof is square. Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.

As long as the plywood under the shingle roof is in good condition this way can provide many benefits. 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. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Install your metal edging around the perimeter of your roof. 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. Make a slat board base on top of the shingles.