Casa Rust Proofing

[XTO]

saan po ba magandaa magpa-undercoating and rustproofing na mura lang?

kung undercoating, better bili ka sa auto supply, diff brands ito (i prefer 3m rubberized or shell), then dalin mo sa gas station of your choice, dun mo pa underbody wash at pa-apply. it's much cheaper kung package ng gas stations but less hassle. re. rustproofing (inner cavities like doors, fenders etc.) tuff coat dynol ako IMHO.