Rust pitting

[chris vickery]

Depending upon the degree of pitting that you have, there is a product here in Canada which is commonly used called hi-fill or hi-solids primer. The intent of this product is to build up thickness, almost a spray Bondo if you will, that is very easy to sand and can almost be "run" to fill in imperfections. It can be applied at a very heavy rate and is very good. It can be applied in several layers to get what you need.