[TheForge] krylon clear for exterior use

Tue Jun 3 20:42:00 2003

I would think ARTMETAL has this topic well archived.  It seems to continu=
ally come around and it seems many at that discussion group are well vers=
ed in exterior finishingf of metal sculptures and projects.  You would no=
t need to sign up for the discussion group,  you could just go to artmeta=
l.com and do a search of topics in the archives.

Roger Olsen

Woolley wrote:

> Hello,
>
> Considering everything I've heard today and everything I already knew, =
I
> think Incralac may be the move for this application.  Always looking an=
d
> paying attention to anyones ideas,  solutions,proven methods of
> finishing indoor or out.  Are there some resources on the net that I ma=
y
> be missing that focus on this topic or related?  Thanks for the ideas.
>
> cheers,
> Bill Woolley
>
> Reynolds wrote:
>
> >A smith I know in Montana uses Incralac.... been on for ten years on o=
ne outdoor sculpture and hasn't failed. Xylene based.
> >
> >
> >
> > --- On Tue 06/03, RIES NIEMI < [email protected] > wrote:
> >From: RIES NIEMI [mailto: [email protected]]
> >To: [email protected]
> >Date: Tue, 03 Jun 2003 15:13:37 -0700
> >Subject: Re: [TheForge] krylon clear for exterior use
> >
> >on 6/3/03 11:12 AM, Catherine Jo Morgan at [email protected] wrote:<br=
><br>> I haven't run tests on this myself, but a usenet blacksmithing and=
<br>> metalworking thread reported that someone else had run tests and fo=
und<br>> that Krylon clear didn't last well outdoors. Unfortunately it's =
the<br>> sunlight that seems to break down most clearcoats outdoors. Unde=
r a<br>> roof, it may fare better.<br>> <br>> If I had to finish somethin=
g now for this situation, without running any<br>> tests, I'd use General=
 polyacrylic in the stronger version, their<br>> waterbased polyurethane =
- a brush-on varnish. It requires good<br>> protective gloves and fair ve=
ntilation, but brushes on well and is a lot<br>> less toxic than Kamar to=
o. For use directly on iron I'd add a rust<br>> inhibitor, but over gun m=
etal finish I'm not sure. Guess I'd have to run<br>> a test after all.<br=
>> <br>> Catherine Jo Morgan<br>> Morgan Sculpture<br>> Iron and mixed me=
dia vessels<br>> [email protected]<br>> <br>
> > <br>I have tried a variety of finishes, and I dont think there is a r=
eally good<br>clear finish for outdoor use.<br>All paint requires repaint=
ing when used outside.<br> Krylon definitely gets rusty after a few month=
s to a year. I use it<br>indoors, and even there its not really long term=
=2E<br>I have had mixed success with clear powdercoating. I have used a l=
ow gloss<br>clear powdercoat over steel, and it will hold up alright in a=
 mild<br>environment- for say 3-8 years.<br>I did have a few chairs that =
were clear powdercoat outdoors in san<br>francisco, and the salt air star=
ted peeling that powdercoat after about 2<br>years. <br>I have found powd=
ercoating in general is not a permanent outdoor finish. It<br>works best =
in places like phoenix, where there is basically no rain, but<br>even in =
LA, between sun, rain, and smog, I figure 5 years is about max<br>before =
powdercoating starts to crack, buckle and peel.<br><br>__________________=
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