[TheForge] krylon clear for exterior use

Tue Jun 3 20:20:59 2003

Hello,

Considering everything I've heard today and everything I already knew, I =

think Incralac may be the move for this application.  Always looking and =

paying attention to anyones ideas,  solutions,proven methods of=20
finishing indoor or out.  Are there some resources on the net that I may =

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 one=
 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<b=
r>> metalworking thread reported that someone else had run tests and foun=
d<br>> that Krylon clear didn't last well outdoors. Unfortunately it's th=
e<br>> sunlight that seems to break down most clearcoats outdoors. Under =
a<br>> roof, it may fare better.<br>> <br>> If I had to finish something =
now for this situation, without running any<br>> tests, I'd use General p=
olyacrylic in the stronger version, their<br>> waterbased polyurethane - =
a brush-on varnish. It requires good<br>> protective gloves and fair vent=
ilation, but brushes on well and is a lot<br>> less toxic than Kamar too.=
 For use directly on iron I'd add a rust<br>> inhibitor, but over gun met=
al 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 medi=
a vessels<br>> [email protected]<br>> <br>
> <br>I have tried a variety of finishes, and I dont think there is a rea=
lly good<br>clear finish for outdoor use.<br>All paint requires repaintin=
g when used outside.<br> Krylon definitely gets rusty after a few months =
to a year. I use it<br>indoors, and even there its not really long term.<=
br>I have had mixed success with clear powdercoating. I have used a low g=
loss<br>clear powdercoat over steel, and it will hold up alright in a mil=
d<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 started =
peeling that powdercoat after about 2<br>years. <br>I have found powderco=
ating in general is not a permanent outdoor finish. It<br>works best in p=
laces 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 powd=
ercoating starts to crack, buckle and peel.<br><br>______________________=
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