This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
How to install steel roofing over shingles.
Some consideration for vent stacks and chimneys is required during the design process.
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.
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.
Use 1 1 4 inch.
Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
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.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Installing steel roofing over existing roofing materials is fairly simple.
How to install a metal roof over shingles.
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.
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.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Installing a steel roof will cost approximately 60 per square foot.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Install your metal edging around the perimeter of your roof.
Most metal shingles will be attached to the roof using metal shingle.
Can i install a new metal roof over shingles.
Yes you can install a metal roof over shingles.
Use furring strips to build a slat board on the roof then mount the steel sheets to the slat board.
Install the metal edging.