Protecting plywood near sink?

[atcNick]

I’ve got a build in table made out of plywood right next to the sink. Any suggestions on how to protect it? I’m afraid water from the sink may be absorbed at the edge of the plywood.



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[tony.latham]

Epoxy.

I would suggest Raka's 127 thin. It'll soak deeply into the wood.

Tony

[halfdome, Danny]

Cover all of it (top & edges) with plastic laminate, it's less than 1/16" thick and water proof.
Danny

[flboy]

I think a good coat of countertop paint to seal and protect. The you can take either 3/4" or 1/2" aluminum channel (depending on plywood thickness) to trim and finish and protect the edges. Following are a few pics of mine in process and finished if it helps. Maybe hard to see, but the edges of the countertop are trimmed with aluminum channel. I used 3/4" plywood for this.

Countertop.jpg (59.07 KiB) Viewed 2436 times

20170514_162623.jpg (93.88 KiB) Viewed 2435 times

20180524_190545.jpg (46.22 KiB) Viewed 2436 times

[Pmullen503]

Leave an air gap of at least 1/8" between the sink and table top. Any water that gets in there can dry.

[hankaye]

atcNick, Howdy;

All those fibrous ends, those exposed ends have voids and are extremely absorbent.
me, I'd use some oil based porch paint, stand it on end and allow the paint to soak
into the end grains until it creates a level surface then do the top and bottom.
OR, you can apply some Butyl-tape ( https://www.amazon.com/Dicor-BT-1834-1- ... B001FCB4JS ),
clamp the two surfaces together with pipe clamps, trim the excess that oozes out.

hank

[atcNick]

I think a good coat of countertop paint to seal and protect. The you can take either 3/4" or 1/2" aluminum channel (depending on plywood thickness) to trim and finish and protect the edges. Following are a few pics of mine in process and finished if it helps. Maybe hard to see, but the edges of the countertop are trimmed with aluminum channel. I used 3/4" plywood for this.

Countertop.jpg

20170514_162623.jpg

20180524_190545.jpg

I really like this. How did you attach the aluminum? Is there a paint called “countertop paint”?


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[atcNick]

Cover all of it (top & edges) with plastic laminate, it's less than 1/16" thick and water proof.
Danny

That is an option I’m considering


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[flboy]

I think a good coat of countertop paint to seal and protect. The you can take either 3/4" or 1/2" aluminum channel (depending on plywood thickness) to trim and finish and protect the edges. Following are a few pics of mine in process and finished if it helps. Maybe hard to see, but the edges of the countertop are trimmed with aluminum channel. I used 3/4" plywood for this.

Countertop.jpg

20170514_162623.jpg

20180524_190545.jpg

I really like this. How did you attach the aluminum? Is there a paint called “countertop paint”?


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Yes, there is countertop paint at HomeDepot or Lowes. It is an oil based acrylic paint. Water beads on it. You can see my sink and I get water all over it and no issues after 2 years. Seems very durable as well. It is called Rust-Oleum Countertop Coating and it is tintable to almost any color you want. I think it is meant to go over existing laminates, but I used directly on sanded furniture grade plywood. Use a Zinsser primer or Kilz primer first however and it will be fine.

I used liquid nails to glue the trim on, but it pressed on well to start with. You call also run a self taping screw in on the underside to hold. I did that while the Liquid Nail set up besides the fact I tend to overbuild. :-).

Good luck.

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