How To Install Steel Roof Panels Over Shingles

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 steel roof panels over shingles.

Can i install a new metal roof over shingles. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. 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. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Put the steel down directly on a vapor barrier. 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. Installing steel roofing over existing roofing materials is fairly simple. Some consideration for vent stacks and chimneys is required during the design process.

Make sure roof is square. Install your metal edging around the perimeter of your roof. In a standing seam roof long single panels run vertically all the way from the eave to the ridge. 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.

In a standing seam roof long single panels run vertically all the way from the eave to the ridge. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Most metal shingles will be attached to the roof using metal shingle. 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. How to install a metal roof over shingles. This is by far the most common way to install a metal roof. Installing a steel roof will cost approximately 60 per square foot.

Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. Use 1 1 4 inch. We get asked this question all the time.