[Rhodes22-list] Penetrol on metal-Robert, Brad

[Brad Haslett]

Joe,

You just gave me another idea.  One of the articles I stumbled across
concerning Penetrol on gel coat also discussed protecting aluminum
masts.  Until you mentioned it, I didn't realize that Rustoleum made a
clear coat.  My mast badly needs repainted.  Now I'm thinking how it
would look stripped, treated with Penetrol and clear coated with
Rustoleum.  Any experience, anyone?

Brad

On Thu, Dec 18, 2008 at 7:50 AM, Joe Babb <joe.babb at comcast.net> wrote:
> Robert, Brad,
> I've used Penetrol on steel for several years now.  In addition to being
> an electronics engineer, I am an artist blacksmith and make decorative
> ironwork and sculptures for the home.  I have found Penetrol to be a
> very tough long lasting finish just by itself. But if I use Penetrol for
> the base coat and Rustoleum clear coat over it, the finish becomes very
> durable indeed.
> I finished one sundial with two coats of Penetrol and set it outside as
> a test.  It lasted at least 2 years before rust started in.
>
> I have found that Penetrol is very thin, which is a good attribute as it
> gets into cracks and crevises that spray enamel never would.  The
> downside is that I have to babysit the stuff for 30 minutes to catch
> drips because it is so thin.  You don't want to let those drips harden
> because they are very difficult to remove without forming a blemish in
> the finish.
>
> I've also mixed a little Penetrol with oil based paints with good
> success for spraying.  I'm getting ready to build a little plywood dingy
> according to one of Bolger's plans called the Elegant Punt.  I thought I
> would try using Penetrol as a sealer before I finish with oil paint.
> We'll see how it goes.
>
> I am inexperienced with fiberglass so I have been very interested in
> this thread on Penetrol.  I didn't realize it would work so well for
> that application.
> Joe
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