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All Replies on Oil and Water Based Topcoats - different sides of same project?

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View AlmostRetired's profile

Oil and Water Based Topcoats - different sides of same project?

by AlmostRetired
posted 09-15-2018 01:46 PM


6 replies so far

View Rich's profile

Rich

4425 posts in 954 days


#1 posted 09-15-2018 02:17 PM

Put one or two coats of Waterlox on the bottom and call it a day (or two). There’s no need to match the number of coats that you put on the top. No need to do the satin either, just the original. Nobody is going to see it.

Arm-R-Seal is a great finish. I generally use it over Waterlox because it comes in different sheens. Waterlox Original is too glossy for me. They say it softens after a few months, but I have a test board from last September that’s still pretty glossy. Arm-R-Seal is also a bit lighter in color.

Nice looking table BTW.

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

View Druid's profile

Druid

2057 posts in 3160 days


#2 posted 09-18-2018 07:34 AM

I have to agree with Rich’s advice of ”call it a day (or two)”. The directions on virtually all finishes usually tell you what to expect if you happen to be working under the same conditions as the manufacturer’s facility. But, time frame alone is not the only factor when it comes to completely curing any of the finishes that you are working with. Temperature and humidity must be considered. I was in a bit of a rush with a project that I did a few years ago, so I only gave each coat of finish exactly the time that the instructions stated. But the work area was cool, and humidity was high at that time of the year, so the intermediate coats never really cured completely. The final coat feels correct, but it seems that the previous coats are still somewhat soft, and if an object is left on the surface for a few days, it seems to “stick” when I pick it up.
Since then, I always try to make sure to allow at least double the recommended cure time for each coat, and I have not had the same problem again.
Looking forward to seeing your final results. ;)

-- John, British Columbia, Canada

View OSU55's profile

OSU55

2258 posts in 2354 days


#3 posted 09-18-2018 12:00 PM

Waterlox or ars, or mw poly even could be used with pretty much equal results. The mw poly has to be thinned 1:1 to have the same solids content as ars. For the bottom and in the future apply the 1st coat like a danish oil, flood it on keep it wet for 10 min or longer then wipe most of it off. For the bottom add another wipe on coat and you are done, it will be sealed.

View Rich's profile

Rich

4425 posts in 954 days


#4 posted 09-18-2018 02:26 PM

A couple of things need to be cleared up. First, in my post when I said I used Arm-R-Seal over Waterlox, I meant that I prefer Arm-R-Seal to Waterlox, not that I use it on top of Waterlox. Poor choice of words on my part.

Second, the comment in post #3 that you should treat Waterlox like Danish oil and flood it and wipe after 10 minutes is wrong. The Waterlox web site specifically states:

“Waterlox Original Tung oil finishes are penetrating oil finishes that are formulated to self-level. Do not wipe on and off the finish.”

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

View OSU55's profile

OSU55

2258 posts in 2354 days


#5 posted 09-18-2018 09:32 PM

As stated previously Flood on for 10 min and wipe off for the 1st coat. Im sure you have read many of the same newbie complaints that “the wood just soaks up the finish. Ive done 3 coats and it still looks bad”. This simple change alleviates the issue by ensuring the wood is fully saturated. Doesnt hurt to do it a 2nd time. It is not wrong. These are all oil based varnishes that work by the same basic mechanisms. Waterlox is a low solids mix, per the mfr, and this method with actually speed up the overall finishing process. Have completed multiple finishes with all 3 products using this method.

View Rich's profile

Rich

4425 posts in 954 days


#6 posted 09-18-2018 09:41 PM

Yep, ignore the instructions on the Waterlox web site and do what you say…LOL. That’s what I call chutzpah. I’ve always done it their way and it came out perfect each time.

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

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