You will need to order enough metal material to cover the entire roof and this process.
Installing metal roof shingles.
A metal roof reduces cooling costs during the summer months because it can reflect the sun s rays.
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.
Attach your roofing felt and any protective layer.
For exposed fasteners avoid over tightening the fastener.
Measure the roof area.
Also you can install your metal roof over old roofing shingles without you having to get rid of them.
Winter heating costs may be reduced thanks to a double layer of insulation.
Yes you can install a metal roof over shingles.
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.
Use your neoprene washer head screws to secure the metal to the sheathing.
However it will always be best if you remove the shingles.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Installing a metal roof on top of shingles can be done in three basic steps only 2 are required.
This is not a complete install only basic install on a bungalow i.
A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.
The best time to install corrugated metal roofing is during dry or sunny weather.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
Remove the old roof.
It s the simplest and fastest way to install a metal roof.
However you ll want to check with your local building department before you make any decisions.
Space the screws about 12 in 30 cm apart.
1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.