Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
How to install metal roofing on your house.
Use your neoprene washer head screws to secure the metal to the sheathing.
Measure the roof area.
Screw a metal sheet into the wood of the roof through the tarpaper.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
You ll want to order metal panels that are an appropriate color and look to complement your.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Screw in the next sheet making sure that it overlaps the first sheet.
Start with one side of the house at the top of the roof.
You will need to order enough metal material to cover the entire roof and this process.
Most codes now allow no more than two layers of roofing before requiring a complete tear off.
Install the metal edging around the roof s perimeter using 1 inch 3 2 centimeter roofing nails.
Remove the old roof.
Space the screws about 12 in 30 cm apart.