Hello everyone,
Couple of questions on preventing the rust from spreading if not stopping completely.:
1. What is the best option for under sills and all susceptible areas (Waxoil, combination of waxoil and used egine oil, chips-ton)
2. What is the best option for inside the sill?
3. Can used engine oil be used on its own?
4. How to apply them?
5. Is it possible to used brush?
Regards