"If you rub your hand over the siding and it's covered with chalk, it's time to paint," Otto says. This chalky residue can be the biggest inhibitor ... Use a self-etching primer like Rust-Oleum Flat ...
When you use links on our website, we may earn a fee. Rust is a common, albeit annoying, maintenance issue every homeowner faces. All it takes for rust to form is a chemical reaction between iron ...