A reader lately requested an incredible query about rust restore in response to our current article on physique fillers. In truth, it’s a standard one that usually pops up when discussing physique fillers. This reader requested whether or not he can use physique filler after he’s handled rusty pickup truck cab corners with Eastwood Rust Encapsulator.
The quick reply to his query is sure, although it’s not typically our most popular methodology. We sometimes advocate eliminating all rust after which treating the naked metallic with epoxy primer earlier than filling. Nevertheless, sure circumstances can stop the best from turning into the fact. These may embrace:
Non-Structural Areas – If the rust is on non-structural areas the place full metallic alternative isn’t crucial to the car’s security or efficiency, utilizing Rust Encapsulator and physique filler is likely to be acceptable.
Minor Floor Rust – When the rust is minor and restricted to floor corrosion with out deep pitting or structural harm, making use of Rust Encapsulator can successfully seal and cease the rust from spreading. On this case, making use of physique filler on high of the encapsulator is appropriate so long as the floor is well-prepared.
Price range or Time Constraints – In conditions the place time or price range is restricted, and the rust just isn’t extreme, utilizing Rust Encapsulator adopted by physique filler generally is a sensible answer. This method is widespread in conditions the place a brief or fast restore is required.
Prepping for Momentary Repairs – If the objective is to organize a car for short-term use or sale, and the rust just isn’t in a crucial space, utilizing this methodology can present an aesthetically pleasing end with out the in depth work required for metallic alternative.
How To Correctly Apply Filler After Rust Encapsulator Remedy
Take away all unfastened, flaky rust first utilizing a wire brush, sandpaper, or grinder.
Clear all the restore space with a degreasing prep solvent, akin to Eastwood Pre Paint Prep.
Apply both Rust Encapsutaor or Rust Encapsulator Plus to all the restore floor and permit to completely treatment.
Apply polyester- or epoxy-based physique filler over the world to be crammed.
To cut back the possibility of air bubbles which may result in future rust from moisture intrusion, use a short-strand fiberglass-reinforced polyester filler. The glass strands assist evacuate any air bubble which will have shaped. The short-strand selection can even be simpler to sand than the long-strand sort.
For restoration-quality finishes or for structurally-critical repairs, we nonetheless advocate the best method. This includes slicing or grinding out the rusted space and welding in new metallic when crucial earlier than priming and filling. Nevertheless, if time and price range are larger precedence than perfection, at the least you may nonetheless cease the rust in place.