Filler for gaps in HW floor.

gardeningmomof5November 9, 2012

We have hardwood floors on the second floors that are in decent shape. They are about 3 inches wide, nearly all with gaps in between. I have read that it's best to leave the gaps there since they expand and contract with the seasons. However, with a family full of children and pets, that it not an option. Pet hair, crumbs, etc get in the cracks. And also, when something gets spilled, it damages the ceiling below. The plaster is starting to crack and chip from things spilling above.

Most practical advice would be to not allow drinks on the second floor. But hubby is not on board with that. So I need to find the most appropriate filler. Any advice would be most appreciated!

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Pre finished or site finished flooring (site finished is sanded and finished at your home)

You would want to see how much dirt and krud has already been deposited in the gaps.
If there is a lot of dirt the filler wont get deep enough or wont fill the full gap which will require you to clean them first.

But product wise i would suggest Woodwise wood filler. Its good stuff and offers a wide range of pre mixed colors to best match your floor.

    Bookmark   November 9, 2012 at 5:51PM
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Hi, I did use that in one room. It shrunk, cracked and came up when I swept or vacuumed :( The container said non shrinking, but it did shrink. After it dried and shrunk, I went over it with another layer, then sanded, stained, and poly. Look good for a while, but after a couple years, it needs to be replaced.I was hoping they made a product that was more suitable to contracting? Also, I took a screw driver and cleaned out the crud than sucked it all out with the shop vac.

    Bookmark   November 9, 2012 at 7:04PM
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Filler doesn't work more than a single season. As you've discovered. The behavior is more of the problem than the "problem" here.

    Bookmark   November 9, 2012 at 10:27PM
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