How To Put On Metal Roofing Over Shingles

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

How to put on metal roofing over shingles. Make a slat board base on top of the shingles. A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. We get asked this question all the time.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. 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. What s involved in how to install metal roofing. 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.

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. Winter heating costs may be reduced thanks to a double layer of insulation. 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. Make sure roof is square.

Attach them to your roof with 3 inch wood screws in each corner. Installing steel roofing over existing roofing materials is fairly simple. The answer to the question of how to install metal roofing over shingles has many advantages among them are. With this video.

Anatomy of a steel roof. Put the steel down directly on a vapor barrier. Manufacturers provide 30 year warranties on metal roofing products. The purpose of our channel is to create informational videos.

Move from bottom to top. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. You will need to lay some 1 by 4 inch pine boards lengthwise every two feet on your roof. It s the simplest and fastest way to install a metal roof.

40x60 metal building is it ok to put a metal roof over shingles. Metal roofing is resistant to fire rot and termites. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.