How To Put On Metal Roofing Over Shingles

Manufacturers provide 30 year warranties on metal roofing products.

How to put on metal roofing over shingles.

Put the steel down directly on a vapor barrier. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays. 40x60 metal building is it ok to put a metal roof over 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. Anatomy of a steel roof. Winter heating costs may be reduced thanks to a double layer of insulation. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

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. Metal roofing is also available in the form of shingles. Attach them to your roof with 3 inch wood screws in each corner. Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.

What s involved in how to install metal roofing. With this video. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Make a slat board base on top of the shingles.

The answer to the question of how to install metal roofing over shingles has many advantages among them are. 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. Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board. The purpose of our channel is to create informational videos.

It s the simplest and fastest way to install a metal roof. 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. Metal roofing is resistant to fire rot and termites.

We get asked this question all the time. 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.