gzec

I have a random width oak plank floor in a kitchen. Between some boards there are spaces from contraction. What is the best material to fill these voids. They range from 1/32-1/16th.

naptown CR

bacon grease and sawdust helps with the squeaking too

Floordude

Fill it with humidity.

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rjconstructs

Generally its done when its being finished, now i don't know maybe some colored putty?

gzec

Great answers, glad I came here. You are flooring experts?

TimelessQuality

You are contractor?

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gzec

Yea, why does that matter?

Floordude

Oak PLANK...

We are coming out of the heating season!!!

1/32 and 1/16. Those could all close up, come late spring and summer.

If you fill them, summer swelling will push all the filler right out of the joints. Enough to cut your bare feet on.

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mrwoodman

Planks show the most expansion of any woodfloor. Heat in the home in the winter will shrink it, Air conditioning in the summer will shrink it. I would try to keep your home around 55% relative humidity at all times or just live with the seasonal gaps. I would not fill them with anything. If you fill it with a soft puddy, this will squeeze out later and be tracked everywhere. If you fill it with somthing hard, you will risk the wood cupping, crowning or havin alot of crumling pieces come out that may scratch the surface when walking on.

Hope this helps, Ron T

gzec

Thanks for the responses

TopFloor

Wood expands and contracts with temperature and humidity changes. The gaps you describe seem perfectly normal. If they remain all year 'round then you could use a latex filler. Likely they will close up on their own.