Painting An Old Tin Roof

First use the wire brush to remove the loose rust.

Painting an old tin roof.

A simple paint brush is all you need to paint a tin roof. One issue that tin roofs have especially older ones is that they can get worn out and rusty rather quickly. How to paint a tin roof. Some historical homes have terne metal roofs and these need to be painted with oil based paint.

A rust inhibitor stops rust. Galvanized metal roofs are usually painted with acrylic based paint. Rust will also be the death of an otherwise great paint job. Power washing removes mold mildew.

9 wait for the paint to dry completely. Removing dirt oil and debris is just one part of a two part process to prepare a tin roof for painting. For larger areas you can use a spray rig for faster application. 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. Paint over the primed roof surface using an acrylic latex paint designed for outdoor metal applications. Surface rust that s just part of tin. Not a problem as long as you use the right techniques and products.