For larger areas you can use a spray rig for faster application.
Painting an old tin roof.
Surface rust that s just part of tin.
First use the wire brush to remove the loose rust.
How to paint a tin roof.
A simple paint brush is all you need to paint a tin roof.
Power washing removes mold mildew.
One issue that tin roofs have especially older ones is that they can get worn out and rusty rather quickly.
Rust will also be the death of an otherwise great paint job.
Not a problem as long as you use the right techniques and products.
Galvanized metal roofs are usually painted with acrylic based paint.
Removing dirt oil and debris is just one part of a two part process to prepare a tin roof for painting.
Choose a paint that s right for your metal roof.
Some historical homes have terne metal roofs and these need to be painted with oil based paint.
Use a latex brush for latex paints and an oil based brush for oil based paints otherwise the brush will quickly ruin.
Paint over the primed roof surface using an acrylic latex paint designed for outdoor metal applications.
Just before painting wash the roof with a power washer at a pressure of 2 500 pounds per square inch whether it is a new or an old one that requires re painting.
Apply the paint using a roller or brush as desired.