I've had great results with Rust-Oleum Direct to Metal (oil) alkyd
enamel paint (Grainger stock item, others as well). I use two coats of
primer, red first, then grey to prove coverage, followed by two coats of
finish color, mostly Safety Yellow, all HVLP applied. Structural stuff
that is in use and left outside for 10 years still has gloss and no
rust. I can't speak to repeated wear resistance, that may require a two
part epoxy paint. I've found the 100% solids versions to be very user
unfriendly - hard mixing, fumes, short work times, critical surface prep
& special solvents for cleanup. OTOH, the RustOleum water based two part
epoxy floor paint is easy to use, but nowhere as tough as the 100%
solids. Both are around $140/gal.
Grant KZ1W
On 8/9/2012 9:34 PM, K8RI wrote:
> I'm looking for a paint (and primer or undercoat) that will protect the
> structural steel from rust and wear well. There will be rollers or
> skids moving on the painted surface and at times will be under
> substantial pressure. IE Tower sections.
>
> I do have access to industrial paint locally, just not sure what to ask
> for. Tubing will be capped and welded closed with a bit of preservative
> inside.
>
> 73
>
> Roger (K8RI)
>
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