Re-sealing prefinished wood flooring?

evamommyAugust 4, 2008

Hi,

My husband and I are going to be installing prefinished maple in most of our new house...everywhere except the bathrooms. I'm wondering about in the kitchen though, and the chance of water spills getting inbetween the boards. Does it work to, after you have installed the prefinished flooring, to add another layer of sealer/polyurethane/waterlox, something, to seal those cracks? Would you need to sand first? Our flooring is "hand scraped", and so sanding first would pretty much get rid of that look, which I'm reluctant to do.

Any ideas for me?

Thanks!

Carrie

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boxers

adding finish does nothing to protect moisture from between boards. Flooring expands and contracts and gaps will occur between seasons. This is normal. There is no miracle product that will give you a seamless floor. You'd have to have a substantial 'leak' to do long term damage and if that were to happen you just need to replace the board or two that was damaged.

    Bookmark   August 5, 2008 at 2:09PM
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bigdoglover

Boxers, Would it work, for extra protection, to take the pieces that will be around the wet areas and finish all their raw edges with wax, tung oil, polyurethane, or such, before installing them?

Evamommy, In my two kitchens with hardwood, the problem was not so much getting between the cracks but sitting on the finish. Family members who don't wipe up splashes, dogs drinking water, etc. After ten years we had a couple of these boards replaced, as boxers says, and it was fine. The finish of the new board was brand new and that fact did show up in the color of the wood and the fact of a brand new vs. a ten year old finish, but that didn't bother me, after all this is wood, a natural product. Finally, when it got too bad, we just had someone come over and distress it, and the distressing covered the bad spots. It was engineered with nothing really to re-sand so he did not strip it down, he just put a coat of stain over it, and a couple coats of poly over that. Then we sold the house and moved!

    Bookmark   August 9, 2008 at 7:57AM
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glennsfc

Kahrs, one manufacturer of prefinished hardwood, did recommend adding a coat of finish to seal the edges of water sensitive species after the installation was complete. I did that a few times.

Coating these new factory applied finishes requires special preparation with the correct chemicals and synthetic abrasive pads and then the application of a finish that will bond to the factory coat.

Probably best to just not let water spills and events sit on the flooring for a long length of time.

    Bookmark   August 9, 2008 at 9:43AM
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boxers

I would trust Glens recommendations. I've worked for Bruce, Hartco and Robbins so was sort of indoctrinated by the factory finish guys. There just is a lot of misinformation out there on flooring.

    Bookmark   August 9, 2008 at 1:56PM
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glennsfc

What Boxers says is also true. Wood does expand and contract and that is why sealing only works "to a certain point"...and shouldn't be relied upon as a cure-all to the fact that any wood floor has hundreds of seams, any one of which can allow water to seep down between the boards.

Boxers gives good advice and I value his comments. I don't want anyone, especially Boxers, to think I meant any disrespect.

    Bookmark   August 11, 2008 at 6:08PM
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dstp1_telus_net

Is there any reason I can't use prefinished hardwood on a covered porch (outside)? I can get this for a fraction of the cost of the T&G pine that they normally use. Any thoughts?

    Bookmark   September 8, 2008 at 2:46AM
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