Solvent based stripper will make a very big mess of removing latex
paint.
However safe paint removers will remove the latex and probably not
damage the galvanizing. Follow the instruction on the remover very
closely. My suggestion is to use a lite coat and let it sit for about an
hour remove it and then apply another and repeat the process until you
have it where you want it.
I used Multi-Strip to clean some painted tower sections. It did a pretty
good job. But where the galvanizing had deteriorated it also remove it.
Where this happened, I used Ospho to treat the rust and then primed
with an oil base primer and painted with oil base paint.
You might consider just putting a self tapping screw through the area
that you want to attached the feedpoint. Then use some cold
galvanizing spray (Seymour comes to mind) to seal and protect that
area.
I have been in the architectural coating business for 23 years. No I am
not a chemist. Every situation is different, therefore there is no imply
or expressed warranty with this information, your success or failure
may vary.
You might look at NCJ this month, had a big article on maintaining
PJ2, even using the best of materials still requires frequent
maintenance.
Jim/KC4HW
On 3 Dec 2011 at 9:33, Dick Dievendorff wrote:
> I have a HyTower whose 24' of base tower section has been painted to blend
> in with the forest. The painter got a little carried away at the ends where
> electrical contact is needed.
>
>
>
> I'd like to remove the latex paint at the junctions and other attachment
> places where electrical contact is required. A wire wheel on a drill would
> remove the paint, but would also strip the zinc galvanizing layer as well.
>
>
>
> I'd like to keep the galvanizing layer to inhibit rust.
>
>
>
> What chemistry is suggested?
>
>
>
> Dick, K6KR
>
>
>
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