Stablizing knots with Epoxy and top coat adhesion??

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Forum topic by Ivan posted 07-09-2010 04:25 PM 1273 views 0 times favorited 5 replies Add to Favorites Watch
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185 posts in 3341 days

07-09-2010 04:25 PM

Topic tags/keywords: question oak finishing

Hello all,

I am getting ready to install some flooring, oak (red and white mix) that has some knots in it. I was originally thinking of cutting them all out, but some are nice and I’d like to include them.

I was thinking of filling any voids with epoxy and this cracks around knots with CA glue, then using a floor poly over top, but I’m not sure if the poly will adhere to the epoxy.

Other ideas on how to fill voids in/around knots??


-- "Do it right the first time, you'll just kick yourself later..."

5 replies so far

View Les Hastings's profile

Les Hastings

1305 posts in 3736 days

#1 posted 07-09-2010 04:46 PM

Not sure if finish will adhere to CA glue, but I know it will to West Systems marine epoxy. Most turners use CA glue as a filler though and finish over it though, so I don’t think that should be a problem.

-- Les, Wichita, Ks. (I'd rather be covered in saw dust!)

View SST's profile


790 posts in 4158 days

#2 posted 07-09-2010 05:17 PM

I would do a test on some scrap being sure to scuff the areas of CA & epoxy first before applying the finish. After it dries, put it in the sun to get hot, let it go back to room temp & put it in the freezer to get cold & then let it get back to room temp, and then try scuffing or scraping a bit to see if it is holding.

I think the temp extremes will be a good test of durability.

-- Accuracy is not in your power tool, it's in you

View Gregn's profile


1642 posts in 2947 days

#3 posted 07-09-2010 06:51 PM

I have used epoxy to place some Purpleheart eyes in a Oak rocking horse which left a ring of epoxy around the eyes. After sanding I applied polyurethane for a finish. So far there has been no problems with the finish. As for using CA glue I can’t say how it would work. You could fill the cracks with epoxy and sand flush and should have no problems.

-- I don't make mistakes, I have great learning lessons, Greg

View rusticandy's profile


110 posts in 3493 days

#4 posted 07-10-2010 05:56 AM

I spray Target coatings over both CA glue and epoxy every day- and have never had an issue

-- rustic andy

View Ivan 's profile


185 posts in 3341 days

#5 posted 07-12-2010 03:17 PM


Thanks for the help, truly appreciated. I’ll take pics as I go and post progress reports. So far I have got a shop full (and I mean full) of flooring pieces.


-- "Do it right the first time, you'll just kick yourself later..."

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