Steel Paint
Painting over Rust is often seen as "impossible", or "it will just come back" etc etc. There are several things to be aware of when painting "over" rust.
1. Ensure the metal is thoroughly degreased and decontaminated - Steam cleaning is ideal
2. Descale. You may need to actually chip away the rust using a needle gun, chipping hammer to reduce its thickness.
3. Apply ENOUGH product. so if your going over rust with aerosols, give it 4 coats instead of the usual 2.
4. Our direct to Rust paints either use Stabilisation technology, or Vapour release technology- So they actually work!
Passive8 Weldable zinc primer 90%
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Fast drying, direct to rust and steel Primer for Rustproofing
Full Magnetite Rust conversion for rusty edges of seams, prepared and/ or blasted steel