Subject: Paint on galvanised steel

From: [email-masked] (Richard Griffin)
Date: 26 Apr 1996 09:40:44 +0100

This summer I have to repaint a horse box (equine transporter). 
It's constructed as a mild steel frame (2"x1" section, slightly rusty under the
existing paint) panelled with galvanised 0.04" steel sheet. When it was 
originally painted no primer was used and the paint is bubbling off the
galvanised and falling off the frames. The frames are exposed outside the
paneling.

What is the best kind of primer to use for galvanised steel?

The job will have to be done outside when the sun shines and the final coats 
will probably be coach enamel applied by hand and rubbed down for a reasonable
finish. This is not going to be a concours finish, just a serviceable coat of
paint to last maybe six years.

Total area is about 350 sq foot (31 sq mtrs)

I need to know generic types of paint, not brand names (I guess most of the
information will come from the US but the paint will be obtained in England).

Thanks in advance for any help.

Richard Griffin.

---

From: [email-masked] (Blake Malkamaki)
Date: Sat, 27 Apr 1996 01:04:43 -0500

In article <[email-masked]>, [email-masked]
(Richard Griffin) wrote:

$ This summer I have to repaint a horse box (equine transporter). 
$ It's constructed as a mild steel frame (2"x1" section, slightly rusty
under the
$ existing paint) panelled with galvanised 0.04" steel sheet. When it was 
$ originally painted no primer was used and the paint is bubbling off the
$ galvanised and falling off the frames. The frames are exposed outside the
$ paneling.
$ 
$ What is the best kind of primer to use for galvanised steel?
$ 
$ The job will have to be done outside when the sun shines and the final coats 
$ will probably be coach enamel applied by hand and rubbed down for a reasonable
$ finish. This is not going to be a concours finish, just a serviceable coat of
$ paint to last maybe six years.
$ 
$ Total area is about 350 sq foot (31 sq mtrs)
$ 
$ I need to know generic types of paint, not brand names (I guess most of the
$ information will come from the US but the paint will be obtained in England).
$ 
$ Thanks in advance for any help.
$ 
$ Richard Griffin.

I would strip all the old paint off.  Wash the whole thing down with a
phosphoric acid metal prep (available at auto parts store) and prime with
Dupont Vari-Prime self-etching primer.  This stuff really is good and will
stick to galvanized, stainless steel, and fiberglass.

Blake
Blake Malkamaki, Little Mountain Ironworks, Concord, Ohio <[email-masked]>
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