# Sticky....

**URL:** <https://forum.clcboats.com/t/sticky/35340>\
**Category:** Builder's Forum\
**Created:** [June 8, 2009, 5:07pm UTC](https://forum.clcboats.com/t/sticky/35340 "2009-06-08T17:07:32Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![John\_Fitzgerald](https://avatars.discourse-cdn.com/v4/letter/j/ecb155/32.png) [@John\_Fitzgerald](https://forum.clcboats.com/u/John_Fitzgerald)\
**Post date:** [June 8, 2009, 5:07pm UTC](https://forum.clcboats.com/t/sticky/35340/1 "2009-06-08T17:07:32Z")

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Okay, I have used epoxy extensively before and I swore this would never happen to me, but the second coat of epoxy on my hull is still sticky after about 12 hours.&nbsp; My worst fear may be reality.&nbsp; My hardener pump was sputtering a little this morning, but the volume appeared to be okay.&nbsp; In hindsight, I think I was nearing the bottom of the hardener container.&nbsp; Anyway, I'm afraid my ratio may be slightly off and preventing a cure.

This second weave filling coat is thin.&nbsp; What do I do if it remains tacky?

The project has gone really well before this hiccup.&nbsp; I'm really hoping for a cure!&nbsp; Thanks in advance for any assistance.

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**Author:** ![Jerry\_Mcmanus](https://avatars.discourse-cdn.com/v4/letter/j/e95f7d/32.png) [@Jerry\_Mcmanus](https://forum.clcboats.com/u/Jerry_Mcmanus)\
**Post date:** [June 8, 2009, 10:03pm UTC](https://forum.clcboats.com/t/sticky/35340/2 "2009-06-08T22:03:17Z")

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Epoxy should be hard to the touch in 12-24 hours at around 70 degrees. &nbsp;If it is still tacky after 24 hours, try turning up the heat for a few hours if you can. &nbsp;Never do that with the first coat of resin over bare wood or you’ll have bubbles from the wood outgassing. &nbsp;You should be okay in that regard since this is the second coat. &nbsp;If that doesn’t work apply another properly mixed thin coat of resin. Jer &nbsp;(aka mtsailor)&nbsp;[http://gallery.me.com/jermcmanus](http://gallery.me.com/jermcmanus)

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**Author:** ![John\_Fitzgerald](https://avatars.discourse-cdn.com/v4/letter/j/ecb155/32.png) [@John\_Fitzgerald](https://forum.clcboats.com/u/John_Fitzgerald)\
**Post date:** [June 9, 2009, 5:53am UTC](https://forum.clcboats.com/t/sticky/35340/3 "2009-06-09T05:53:02Z")

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I guess I rushed to judgement.&nbsp; It set up a few hours later and is no longer sticky or tacky.&nbsp; Phew!!

It may have been slightly cooler yesterday in my building space.&nbsp; I didn't think the ratio could have been off by much.

&nbsp;Thanks.

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**Author:** ![Wesley\_Ewell](https://avatars.discourse-cdn.com/v4/letter/w/8797f3/32.png) [@Wesley\_Ewell](https://forum.clcboats.com/u/Wesley_Ewell)\
**Post date:** [June 9, 2009, 9:03am UTC](https://forum.clcboats.com/t/sticky/35340/4 "2009-06-09T09:03:17Z")

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I ran into the same problem - twice. The first time was because I didn’t mix the epoxy thoroughly; the second time was because the pumps were not dispensing proper amounts. Even though I had calibrated the pumps and was careful to let them&nbsp;fully return on each press, I ran out of resin before I ran out of hardener. It should have been the other way around. After that I tossed out the pumps and simply measured the volumes of resin and hardener and had no more problems.
