Wood filler for oak

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Forum topic by jody495 posted 07-31-2016 01:26 PM 366 views 0 times favorited 7 replies Add to Favorites Watch
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36 posts in 2038 days

07-31-2016 01:26 PM

I know that this has been asked a million times, but does anyone know of the best wood filler for open grain oak?

7 replies so far

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1250 posts in 2964 days

#1 posted 07-31-2016 01:36 PM

Crystalac has a pretty good water based wood grain filler.

-- Smitty!!!

View JBrow's profile


743 posts in 338 days

#2 posted 07-31-2016 05:51 PM


I am not sure of your application. If filling the pores during finishing, sanding the first coat of finish to form a wood dust/“varnish” slurry that then gets worked into the pores by the sanding process probably would give the best result. I am thinking it would work best if the “varnish” is an oil finish. I am sure there are a few tricks to this technique but since I have not used it, I can be of no further help.

If the wood filler is to plug up holes, divots, and such, my preference is mixing wood glue with oak sanding dust to the consistency of a paste. I use yellow wood glue. The wood flour/PVA glue paste dries darker than the surrounding wood. I have yet to experiment with other glues as substitute for PVA glue. Other glues may result in a better color match.

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36 posts in 2038 days

#3 posted 08-01-2016 01:50 AM

I am wanting to fill the grain on flat panels, not fix mistakes. Back in Jr high wood shop I used a paste filler on walnut. Can’t remember what it was.probably caused cancer.

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338 posts in 1037 days

#4 posted 08-01-2016 02:09 AM

Timbermate works for me.

-- Bob

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#5 posted 08-01-2016 09:44 PM

Jody, AquaCoat is another one that gets high marks. HTH

-- Art

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36 posts in 2038 days

#6 posted 08-02-2016 01:19 AM

Thanks everyone for the information

View tacky68's profile


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#7 posted 08-02-2016 05:05 AM

Jody: If you do not have a large area to fill, the wood glue/sanding dust is an excellent way to go. It is cheap, and the color match is as good as it gets. The problem is, that it does not have a large yield, hence you might not have enough sanding dust to cover the entire area, plus the glue dries really fast, made faster by “drying” it out by adding the dust, rendering it hard/impossible to spread. Have to work in small sections if you have enough dust. If the area is large, go to a “real” flooring dealer, (not a big box store or home center) they will have excellent water based grain fillers that the professional flooring installers use that match the particular wood that you are using (red oak filler for red oak wood etc..). It can also be thinned with water to make spreading easier. May have to go over twice, sanding in between with 100 grit Work quickly. Good luck. P.S. filler can be bought in small quantities(14-16 ounce jars) —Tim

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