Touching up poly on table tops

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Forum topic by ravensrock posted 11-12-2019 03:39 AM 541 views 0 times favorited 5 replies Add to Favorites Watch
View ravensrock's profile


513 posts in 2729 days

11-12-2019 03:39 AM

Topic tags/keywords: polyurethane refinishing question finishing

I built several tables for a local coffee shop a couple years ago. The owner of the shop recently contacted me and asked if I could add another coat of finish. I assume the tables are showing some wear and she wants them looking new again. I originally sprayed four coats of General Finishes High Performance on them. I’m thinking of cleaning them with 50/50 denatured alcohol and water, give them a light sanding with 220-320 and then spraying another couple of coats on each table. Does this sound like a good plan? Picture is the tables after they were originally finished. Thanks!

-- Dave, York, PA, Wildside Woodworking

5 replies so far

View WoodenDreams's profile


1301 posts in 998 days

#1 posted 11-12-2019 05:20 AM

You ask the owner of the coffee shop if they would like to have a tabletop epoxy on the tabletop surface,

View therealSteveN's profile


7702 posts in 1661 days

#2 posted 11-12-2019 06:23 AM

With GF I don’t try to guess, I just look under their huge library, or failing to see exactly what I want. I contact them, but here I see several good choces.

On the list check out How to buff out GF High Performance. It’s a Jeff Jewitt article, a few steps, but likely less time than topcoating your topcoat…... I’ve been led to believe this is bad juju, possibly this will be educational.

He is talking much higher grit than you were thinking. I believe lower grit will define a scratch pattern, high grit will just polish up the existing surface. At 4 coats I think you are covered for durability.

-- Think safe, be safe

View ravensrock's profile


513 posts in 2729 days

#3 posted 11-12-2019 02:02 PM

Thanks for the link!

-- Dave, York, PA, Wildside Woodworking

View LeeRoyMan's profile


1746 posts in 814 days

#4 posted 11-12-2019 02:30 PM

First you have to see how dunged up they are. What someone calls a touch up may be a refinish.
Next is how much does she want to spend to make them right, depending on how bad they are.
Before you can decide on a method you need to have her send you pics of them showing the damaged/worn/chipped whatever, areas. Then you can determine the remedy.
In my mind, the bottom portion probably needs to be sanded, chips filled, and repainted.
The tops probably need to be totally sanded and refinished. I would top coat this time with conversion varnish.

But you don’t know until you see them.

View JerryMaldonato's profile


46 posts in 1410 days

#5 posted 11-12-2019 02:54 PM

LeeRoyMan nailed it. If the top requires any filling, stay away from the wax sticks since they won’t stand up to use. A burn in hard fill is the way to go.

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