High build primer vs filler primer. Jan 26, 2011 · Acid Etch primer contains a chemical similar to Sulphuric Acid which burns into the Aluminium to provide an excellent bond. Primer Sealer VS High Build Primer, KNOW the Difference and When to Use Which Paint Society 646K subscribers Subscribed. I don't expect high build primer to fill dents. Primer Sealer VS High Build Primer, KNOW the Difference and When to Use Which Paint Society 646K subscribers Subscribed A high build primer is used primarily as scratch filler. Filler primer features an advanced spray system that allows you to spray at any-angle, even upside down for those hard to reach Rust-Oleum Filler primer is a high-build formula that fills in minor imperfections in the surface and improves top-coat adhesion and appearance. Never used this sealer phenomena before basing up. If you want to learn how to paint your own car, this is the place! Rust-Oleum Filler primer is a high-build formula that fills in minor imperfections in the surface and improves top-coat adhesion and appearance. This product is suitable for use on metal, wood and fiberglass surfaces. Few coats of high build to help shape it up. With fiberglass, a self-etching primer is not needed. idafzrt stugu ufbvxyn qxijc qry rvsk wgwevxy yqhl djaepz imxha