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Forum topic by Weekendwoodsman posted 05-28-2019 03:32 PM 277 views 0 times favorited 4 replies Add to Favorites Watch
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Weekendwoodsman

2 posts in 60 days


05-28-2019 03:32 PM

I had a person build a table I designed out of 1×6 cherry wood for the top. He spray sealed the tabletop then I found out he didn’t wafer join the boards only glued & some split islughtly in the edges. Is there a wax or wood filler/sealer U can use to seal thiese cracks where the edges had been originally just glued?


4 replies so far

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diverlloyd

3532 posts in 2278 days


#1 posted 05-28-2019 03:43 PM

Did it break on the glue joints or did the wood itself crack. Some pics would also help.

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LesB

2129 posts in 3864 days


#2 posted 05-28-2019 04:20 PM

I’m assuming that the splits are at the glue joints??

I doubt that joining the boards using “wafers” more commonly called called biscuits would have prevented the splits on the edges. Biscuits primarily align the surface of the boards during glue up and give some (but not much) strength to the glue joint. The splits are primarily caused by movement of the wood and related to several different sources such as changes in moisture content, wood grain miss match or warping (again probably moisture related).

You say the top was “spray sealed” but what did he use for that. Was it an actual sealer, an oil finish, or a top finish like polyurethane, shellac, lacquer, or varnish? It could be he only finished the top of the table which can create an imbalance between the top and the bottom as the ambient humidity changes.

I think you are going to find those cracks may vary in width with changes in humidity. They might be filled with a color matched wood filler or thick or medium super glue (CA glue) or but nothing short of rebuilding the top by sawing the joints apart and re-gluing them will completely remove the “unsightly” appearance.

-- Les B, Oregon

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Aj2

2321 posts in 2219 days


#3 posted 05-28-2019 04:20 PM

Maybe if the cracks are small you could try filling them with one of those fill sticks that’s used for small nails holes.
If the cracks and splits are big I don’t know anything that won’t make it stand out more.

Good luck

-- Aj

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Rich

4571 posts in 1010 days


#4 posted 05-28-2019 04:35 PM

He did a crappy glue job. All you need is glue if you do it right.

To fill the cracks, Mohawk Hard Fill is the best choice and is the easiest hard fill for a beginner to apply. There are better burn-in choices, but you really have to know what you’re doing. After the hard fill, spray it lightly with aerosol lacquer of the same sheen as the table finish to seal the fill. You want to spray very lightly. Don’t let the surface get wet. It might take several applications.

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

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