Overcoating a 2 part epoxy finish

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Forum topic by CrystalBallz posted 12-26-2013 05:37 PM 1069 views 0 times favorited 1 reply Add to Favorites Watch
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1 post in 1610 days

12-26-2013 05:37 PM

Hello all,

I have a large bar at a restaurant i built. I used 4” MicroV finger-jointed oak on the top with a bar rail on the face and an inlayed cup rail along the inside. The bar is 44’ long and 30” wide(total). It has been in place and operating for the last 18 months.

Well, in the last 3 months we noticed a small crack in the 2-part epoxy developing around the bar, where it seems it may be due to small shrinkage of the oak along one of the seams. I am skeptical of wanting to put a 3rd coat of the epoxy over the existing coats. I didn’t have the best experience with the epoxy because the bar was so long but it finished out ok. I did end up sanding the finish a bit with 600g and 1200g paper topping it off with a carnuba wax to give it more of a satin finish.

I can clean the wax off and sand the top slightly to lightly scuff it and wipe clean. I recently got a HVLP sprayer and thought i would like to lacquer instead due to dry times and ease of installing between hours of operation…2 part epoxy 72 hours dry time…lacquer is 1/3 the time. I havent seen anything online about the subject and was wondering if anyone had some thoughts about the ability of the lacquer to cure to the epoxy coating..

I would appreciate any insight anyone has on the subject…I will try to get some pictures online soon.

1 reply so far

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418 posts in 1725 days

#1 posted 12-26-2013 05:48 PM

I’m not positive about the adhesion between these two, but I would spray a conversion varnish over it. It would be more durable than the lacquer and it has a fast dry time as well. Check with Sherwin Williams if your interested.
I did a bar and used it and the finish has held up well for the last 2-3 years.

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