If friend do, you"ll have a second bond in between the epoxy and also the varnish. One of epoxy"s staminas is its capability to permeate wood and kind a matrix v the lumber fibers. It likewise provides a waterproof "hard liquid shell" to generally soft and also porous wood.

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Unfortunately, epoxy has virtually no UV resistance.

Putting epoxy on optimal of the varnish way that girlfriend will have to replace it as soon as it transforms milky and starts to come off from UV exposure.

In boatbuilding, the epoxy seals the wood, climate the varnish walk on over height to give the epoxy the UV defense it needs. Epoxy additionally provides a much an ext stable base because that the varnish than the hardwood - it takes under coats the varnish to get that deep-looking "glassy" end up that varnish is specifically provided for.

It"s no what you desire to hear, however I would certainly NOT placed epoxy end varnish. I imply it together is for now then, as soon as the varnish demands to it is in redone (it"s a short-lived coating), sand it down and start again v epoxy. That method you aren"t sanding off all the hard work you"ve currently put in. Plus, if the varnish is tho "green" (soft), it"ll be hard to acquire off cleanly anyway.

Also, one demands to be a bit cautious with pouring epoxy: most formulations generate fairly a little bit of exotherm as compared to other thermosetting resins. This will cause gassing (bubbles) or worse: I"ve watched together a 1/2 liter of epoxy kicked off and also melted the container it was in.

To defend a table (from bare wood), the "best" an approach would be to cover the wood through 6oz glass cloth and also then epoxy it. When it"s wetted, the glass i do not care clear, as with a stripper canoe.Then apply a couple of more coats that epoxy to finish filling the weave. After ~ it"s had time to get an excellent and hard, sand the down through 150grit come knock down any kind of high spots, then prep it for varnish with 220grit.

Now, a couple of coats of varnish will look like 20 coats.


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CrankyBadger wrote:

Yes, but it"s sort of backwards to perform it the way.

If you do, you"ll have a secondary bond between the epoxy and also the varnish. Among epoxy"s staminas is its capability to pass through wood and form a matrix v the hardwood fibers. It additionally provides a waterproof "hard liquid shell" to generally soft and porous wood.

Unfortunately, epoxy has actually virtually no UV resistance.

Putting epoxy on top of the varnish means that girlfriend will have to replace it once it transforms milky and also starts come come off from UV exposure.

In boatbuilding, the epoxy seals the wood, climate the varnish go on over peak to offer the epoxy the UV defense it needs. Epoxy also provides a much much more stable base because that the varnish than the timber - that takes fewer coats that varnish to get that deep-looking "glassy" end up that varnish is specifically used for.

It"s not what you want to hear, but I would NOT put epoxy end varnish. I indicate it as is for currently then, as soon as the varnish requirements to be redone (it"s a temporary coating), sand the down and also start again v epoxy. That way you aren"t sanding off all the hard work you"ve currently put in. Plus, if the varnish is still "green" (soft), it"ll be difficult to acquire off cleanly anyway.

Also, one requirements to be a bit careful with putting epoxy: most formulations generate quite a bit of exotherm as contrasted to other thermosetting resins. This will reason gassing (bubbles) or worse: I"ve watched as a 1/2 great of epoxy kicked of and melted the container it to be in.

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To protect a table (from ceiling wood), the "best" an approach would be to sheathe the wood v 6oz glass cloth and also then epoxy it. Once it"s wetted, the glass i do not care clear, just like a stripper canoe.Then use a couple of more coats of epoxy to finish filling the weave. ~ it"s had actually time come get an excellent and hard, sand the down through 150grit come knock down any type of high spots, then prep it because that varnish with 220grit.