How To Put Steel Roof Over Shingles Roof

Put the steel down directly on a vapor barrier.

How to put steel roof over shingles roof.

It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. Move from bottom to top. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. We get asked this question all the time.

Make sure roof is square. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle 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. Manufacturers provide 30 year warranties on metal roofing products.

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. Make a slat board base on top of the 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.

Most metal shingles will be attached to the roof using metal shingle. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. Start on the lower edge of the roof install the starter shingles by nailing them down using roofing nails. Some consideration for vent stacks and chimneys is required during the design process.

You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on 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. Your first row of shingles should overhang the drip edge nail four to six nails below the tar line on every shingle. Can i install a new metal roof over shingles.

Installing steel roofing over existing roofing materials is fairly simple. Attach them to your roof with 3 inch wood screws in each corner. This is what it looks like when you install a steel shingle roof system over an existing asphalt 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.

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.