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How to spread epoxy

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Forum topic by Sunburned posted 02-21-2017 04:08 AM 566 views 0 times favorited 4 replies Add to Favorites Watch
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Sunburned

31 posts in 353 days


02-21-2017 04:08 AM

Topic tags/keywords: tip finishing arts and crafts

Hey all,
So i have been using some epoxy for finishing lately. I have been spreading it with one of those cheap foam brushes and using a torch for popping the bubbles. I have noticed that there are some spots that are not getting coverage. I am guessing i have to use a little more epoxy but also the method of spreading it has to be better.

Anyone have any suggestions? It is a very small surface area i am spreading it over, a 4 inch square. Ideally I would like something inexpensive or something that can be reused.

Thanks!

-- Woodworking Forever


4 replies so far

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shipwright

7779 posts in 2635 days


#1 posted 02-21-2017 04:32 AM

Bonds spreader, regardless of the area.
Yes you likely need more epoxy. Th height surface tension that makes it self level also makes it bead up if it isn’t thick enough.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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shipwright

7779 posts in 2635 days


#2 posted 02-21-2017 04:33 AM

double post….... :-(

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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Kelly

1821 posts in 2782 days


#3 posted 02-21-2017 04:39 AM

I used to buy my epoxy in five gallon cans. I used tongue depressors. I would grab one, break it an inch or two up, which would just fold it to about a 45, then start spreading. This also allowed me to scoop run off and plant it back up where I needed it.

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Lazyman

1504 posts in 1225 days


#4 posted 02-21-2017 04:43 AM

I would pour and spread with plastic spreader moving in a single direction over the entire surface. You can also use a rubber squeegee on a larger surface. I think that you can use xylene to clean the spreader if you want to reuse it but it might be easier to cut a piece of plastic from a milk carton or laundry detergent jug that you can just throw it away. Get a straw to blow on it while spreading it will help get air bubbles out as you go. A hair drier may be a better method than a torch for getting stubborn bubbles out. I’ve scorched the epoxy with a torch when I lingered too long on one spot. Also make sure that you fill any little cracks or voids first and let any trapped air escape for a minute or 2 before covering the rest of surface. I have had air keep bubbling up until it started to set and wound up with a large raised blister on the surface.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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