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External
Since: May 15, 2004
Posts: 5
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(Msg. 1) Posted: Mon Jul 05, 2004 11:03 am
Post subject: Epoxy Finish
Archived from groups: rec>boats>building (more info?)
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I am building a S&G kayak and I am finding that as I build up layers of
epoxy the finish tends to 'orange peel' and requires a lot of sanding to get
it smooth. The first coats of epoxy went on flat.
Any help would be appreciated.
Thanks
John |
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External
Since: Jul 09, 2003
Posts: 76
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(Msg. 2) Posted: Mon Jul 05, 2004 7:00 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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"jleiby" <jjleiby.DeleteThis@comcast.net> wrote in message
news:v9adnbR2JaQF3nTdRVn-ug@comcast.com...
> I am building a S&G kayak and I am finding that as I build up layers of
> epoxy the finish tends to 'orange peel' and requires a lot of sanding to
get
> it smooth. The first coats of epoxy went on flat.
Had the same problem. Did you rinse off the amine blush between coats?
Meindert<!-- ~MESSAGE_AFTER~ --> |
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External
Since: May 15, 2004
Posts: 5
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(Msg. 3) Posted: Mon Jul 05, 2004 7:00 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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I didn't rinse off the amine blush in the beginning because I was under the
impression that if you recoated with-in a day or two it was not necessary.
Also, the epoxy I used is very low blush and I didn't notice any. I since
have attempted to wash the surface with warm water but it didn't make any
difference.
Thanks
John
"Meindert Sprang" <mhsprang.RemoveThis@NOcustomSPAMware.nl> wrote in message
news:10einqu91fcq779@corp.supernews.com...
> "jleiby" <jjleiby.RemoveThis@comcast.net> wrote in message
> news:v9adnbR2JaQF3nTdRVn-ug@comcast.com...
> > I am building a S&G kayak and I am finding that as I build up layers of
> > epoxy the finish tends to 'orange peel' and requires a lot of sanding to
> get
> > it smooth. The first coats of epoxy went on flat.
>
> Had the same problem. Did you rinse off the amine blush between coats?
>
> Meindert
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Jul 09, 2003
Posts: 76
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(Msg. 4) Posted: Mon Jul 05, 2004 10:04 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"jleiby" <jjleiby RemoveThis @comcast.net> wrote in message
news:G8Gdnc4Dj4pp8XTdRVn-sw@comcast.com...
> I didn't rinse off the amine blush in the beginning because I was under
the
> impression that if you recoated with-in a day or two it was not necessary.
> Also, the epoxy I used is very low blush and I didn't notice any. I since
> have attempted to wash the surface with warm water but it didn't make any
> difference.
Mmmm..... interesting. I have never figured out why this was happening.
Did it look like this? <a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</a>
Meindert<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Jun 22, 2003
Posts: 324
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(Msg. 5) Posted: Mon Jul 05, 2004 10:04 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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Meindert says:
<font color=purple> >Did it look like this? <a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg</font" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</font</a>>
That's what happens when you use a brush intended for Polyester only ;-P
Steve<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: May 15, 2004
Posts: 5
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(Msg. 6) Posted: Mon Jul 05, 2004 10:04 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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It looks exactly like that!
"Meindert Sprang" <mhsprang RemoveThis @NOcustomSPAMware.nl> wrote in message
news:10ej2jeo4ffl6fa@corp.supernews.com...
> "jleiby" <jjleiby RemoveThis @comcast.net> wrote in message
> news:G8Gdnc4Dj4pp8XTdRVn-sw@comcast.com...
> > I didn't rinse off the amine blush in the beginning because I was under
> the
> > impression that if you recoated with-in a day or two it was not
necessary.
> > Also, the epoxy I used is very low blush and I didn't notice any. I
since
> > have attempted to wash the surface with warm water but it didn't make
any
> > difference.
>
> Mmmm..... interesting. I have never figured out why this was happening.
<font color=purple> > Did it look like this? <a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg</font" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</font</a>>
>
> Meindert
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Feb 09, 2004
Posts: 16
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(Msg. 7) Posted: Mon Jul 05, 2004 10:15 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Mon, 5 Jul 2004 19:04:15 +0200, "Meindert Sprang"
<mhsprang.TakeThisOut@NOcustomSPAMware.nl> wrote:
>"jleiby" <jjleiby.TakeThisOut@comcast.net> wrote in message
>news:G8Gdnc4Dj4pp8XTdRVn-sw@comcast.com...
>> I didn't rinse off the amine blush in the beginning because I was under
>the
>> impression that if you recoated with-in a day or two it was not necessary.
>> Also, the epoxy I used is very low blush and I didn't notice any. I since
>> have attempted to wash the surface with warm water but it didn't make any
>> difference.
>
>Mmmm..... interesting. I have never figured out why this was happening.
<font color=purple> >Did it look like this? <a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg</font" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</font</a>>
Hi,
Could be that silicone spray has been used nearby or contaminated
something, or it may even be anti-clog additives from sandpaper.
cheers,
Pete.<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Apr 13, 2004
Posts: 22
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(Msg. 8) Posted: Mon Jul 05, 2004 10:29 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Meindert Sprang" <mhsprang.DeleteThis@NOcustomSPAMware.nl> wrote in message
news:10einqu91fcq779@corp.supernews.com...
> "jleiby" <jjleiby.DeleteThis@comcast.net> wrote in message
> news:v9adnbR2JaQF3nTdRVn-ug@comcast.com...
> > I am building a S&G kayak and I am finding that as I build up layers of
> > epoxy the finish tends to 'orange peel' and requires a lot of sanding to
> get
> > it smooth. The first coats of epoxy went on flat.
>
> Had the same problem. Did you rinse off the amine blush between coats?
>
> Meindert
>
> I wash between coats of epoxy using vinegar then wipe clean with acetone,
this seems to do the trick.
Rey<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Jun 16, 2004
Posts: 34
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(Msg. 9) Posted: Tue Jul 06, 2004 2:05 am
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"jleiby" writes:
> I am building a S&G kayak and I am finding that as I build up layers of
> epoxy the finish tends to 'orange peel' and requires a lot of sanding to
get
> it smooth. The first coats of epoxy went on flat.
>
> Any help would be appreciated.
The following is offered on a SFWIW basis, but it has allowed be to build a
55 ft boat using nothing but knitted glass, epoxy and foam.
1) Sand between every coat, regardless of how long it has been since the
previous coat of resin was laid. (I go thru a lot of 16 & 24 grit discs.
Epoxy eats sanding discs alive & a good right angle sander is your friend.)
2) Don't waste time and money trying to clean chip brushes. (I buy 2" chip
brushes of less than $0.25 each, so there is no incentive to clean them.)
3) Invest in a stainless steel Jiffy Mixer and a low cost drill motor to
power it. This simple tool will insure adequate mixing.
If you are not familiar with it, "Jiffy Mixer" is a trade name for a mixer
built in Riverside County, Ca.
Great gadget.
NOTE:
When the mixer gets full of cured epoxy, simply burn it clean with a propane
torch and start over. (Nice thing about S/S, it can handle heat.
The above has gotten me this far in my project, you may also find it
helpful.
--
Lew
S/A: Challenge, The Bullet Proof Boat, (Under Construction in the Southland)
Visit: <http://home.earthlink.net/~lewhodgett> for Pictures<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Jul 09, 2003
Posts: 76
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(Msg. 10) Posted: Tue Jul 06, 2004 11:09 am
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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"Pete C" <petec RemoveThis @not.my.real.address> wrote in message
news:rl6je0hqs2cqt3cj7g1g8cfeemenrn35ve@4ax.com...
> Could be that silicone spray has been used nearby or contaminated
> something, or it may even be anti-clog additives from sandpaper.
I neved used silicone spray. So I think it is the anti-clog additive. I did
clean though, with xylene-based thinner, but probably not good enough or the
used rag was already too dirty.
Meindert<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Mar 02, 2004
Posts: 16
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(Msg. 11) Posted: Tue Jul 06, 2004 9:03 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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On Mon, 5 Jul 2004 12:03:31 UTC, "jleiby" <jjleiby.DeleteThis@comcast.net> wrote:
> I am building a S&G kayak and I am finding that as I build up layers of
> epoxy the finish tends to 'orange peel'
Too long time between coats - washing and sanding is needed then.
Don't recoat if you no longer can make a mark with your nail.
The gel-phase (recoatable time) greatly depends on temperature - what
you find work for you on day, may not work the next day. My gel-time
started (barely tacky) around 2-5h after prior layup
When I builded up the hull of my strip kayak, I was basically up for
about 30H in a row - in order to be within gel-phase for every layer.
You may want to check out my http.
West got a good little leaflet, whit loads of tips, how to's and info.
Have fun
--
steen - menzi.dk
Ready for OpenOffice?
---<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Mar 24, 2004
Posts: 71
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(Msg. 12) Posted: Wed Jul 07, 2004 1:47 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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Lew Hodgett wrote:
> "jleiby" writes:
> > I am building a S&G kayak and I am finding that as I build up layers of
> > epoxy the finish tends to 'orange peel' and requires a lot of sanding to
> get
> > it smooth. The first coats of epoxy went on flat.
> >
> > Any help would be appreciated.
>
-------------
I see everyone as already given you lots of useful advise, about recoat windows,
etc. However, I am pretty sure they're off the mark here as far as your
problem.
You didn't say what brand or kind of epoxy you are using. Some have surface
tension issues and will 'pull away' - bead up etc. on smooth surfaces, such as
over itself. I have just such an epoxy like that in my product line - great for
poured table tops but don't brush it on over itself!
So, suggest you try a different epoxy.....
paul oman
progressive epoxy polymers
<a style='text-decoration: underline;' href="http://www.epoxyproducts.com/marine.html" target="_blank">www.epoxyproducts.com/marine.html</a><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Mar 22, 2004
Posts: 169
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(Msg. 13) Posted: Sun Jul 11, 2004 9:14 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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It probably got a little too warm in the shop and the epoxy cured too
quickly. I've had that happen and rather than try to fix it (filling takes
too much epoxy), I find it easier to sand it off and then put the next coat
on when it's cooler (or use a slower hardener.)
Brian D
--
<a style='text-decoration: underline;' href="http://www.advantagecomposites.com/tongass" target="_blank">http://www.advantagecomposites.com/tongass</a> -- My 22' Tolman Skiff project
..
"jleiby" <jjleiby DeleteThis @comcast.net> wrote in message
news:v9adnbR2JaQF3nTdRVn-ug@comcast.com...
> I am building a S&G kayak and I am finding that as I build up layers of
> epoxy the finish tends to 'orange peel' and requires a lot of sanding to
get
> it smooth. The first coats of epoxy went on flat.
>
> Any help would be appreciated.
>
> Thanks
>
> John
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Mar 22, 2004
Posts: 169
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(Msg. 14) Posted: Sun Jul 11, 2004 9:16 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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If the finish looks like that, it's due to a contaminant. Either the brush
as Stephen pointed out, or something on the wood. I've seen silicon do that
from an accidental overspray of silicon lube ...the stuff should be illegal
in boat shops.
Brian D
--
<a style='text-decoration: underline;' href="http://www.advantagecomposites.com/tongass" target="_blank">http://www.advantagecomposites.com/tongass</a> -- My 22' Tolman Skiff project
..
"Meindert Sprang" <mhsprang.TakeThisOut@NOcustomSPAMware.nl> wrote in message
news:10ej2jeo4ffl6fa@corp.supernews.com...
> "jleiby" <jjleiby.TakeThisOut@comcast.net> wrote in message
> news:G8Gdnc4Dj4pp8XTdRVn-sw@comcast.com...
> > I didn't rinse off the amine blush in the beginning because I was under
> the
> > impression that if you recoated with-in a day or two it was not
necessary.
> > Also, the epoxy I used is very low blush and I didn't notice any. I
since
> > have attempted to wash the surface with warm water but it didn't make
any
> > difference.
>
> Mmmm..... interesting. I have never figured out why this was happening.
<font color=purple> > Did it look like this? <a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg</font" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</font</a>>
>
> Meindert
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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External
Since: Mar 22, 2004
Posts: 169
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(Msg. 15) Posted: Sun Jul 11, 2004 9:18 pm
Post subject: Re: Epoxy Finish [Login to view extended thread Info.]
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Wash it thoroughly with hot soapy (detergent) water to remove contaminants
and rinse very well, then sand it down and wash with warm ammonia water,
then try coating again.
Brian D
--
<a style='text-decoration: underline;' href="http://www.advantagecomposites.com/tongass" target="_blank">http://www.advantagecomposites.com/tongass</a> -- My 22' Tolman Skiff project
..
"jleiby" <jjleiby.TakeThisOut@comcast.net> wrote in message
news:7uadnZQs8vv-SXTdRVn-jg@comcast.com...
> It looks exactly like that!
>
> "Meindert Sprang" <mhsprang.TakeThisOut@NOcustomSPAMware.nl> wrote in message
> news:10ej2jeo4ffl6fa@corp.supernews.com...
> > "jleiby" <jjleiby.TakeThisOut@comcast.net> wrote in message
> > news:G8Gdnc4Dj4pp8XTdRVn-sw@comcast.com...
> > > I didn't rinse off the amine blush in the beginning because I was
under
> > the
> > > impression that if you recoated with-in a day or two it was not
> necessary.
> > > Also, the epoxy I used is very low blush and I didn't notice any. I
> since
> > > have attempted to wash the surface with warm water but it didn't make
> any
> > > difference.
> >
> > Mmmm..... interesting. I have never figured out why this was happening.
> > Did it look like this?
<a style='text-decoration: underline;' href="http://www.customware.nl/boats/images/sep/10091.jpg" target="_blank">http://www.customware.nl/boats/images/sep/10091.jpg</a>
> >
> > Meindert
> >
> >
>
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Epoxy Finish |
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