Most codes now allow no more than two layers of roofing before requiring a complete tear off.
How to install metal roofing on your home.
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.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Here are some pros and cons.
Installing a layer of sheathing like plywood over the furring strips will give you an even insulated surface to work on.
Most metal shingles will be attached to the roof using metal shingle.
Step 3 install the metal shingle or panel you have purchased right over your old roof.
Apply sheathing over the wall if you installed furring strips.
Measure the roof area.
You will need to order enough metal material to cover the entire roof and this process.
In most situations metal roofing is simple and easy to install.
I am more than confident that if you follow my clear instructions your new roof will come out looking great and will protect your home or structure for years to come.
If you re looking for ways to set your project apart a metal roof can add extra shine.
Can you put steel roofing over asphalt.
You ll want to order metal panels that are an appropriate color and look to complement your.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.
Remove the old roof.
To install a metal roof stick with a company and product that has a proven track record for reliability.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Space the screws about 12 in 30 cm apart.
Simply cut the material to size and nail it to the furring strips so the entire surface is covered.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
For exposed fasteners avoid over tightening the fastener.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
Check with your manufacturer if this is possible for your home which in many cases it is.
How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense.