Hi there. There's a dark stain on the floor. Maybe the dye in the
carpet leached onto the floor when the carpet got wet.
I was told it's not possible to just changeout the couple of strips of
flooring that are stained. That the replacement pieces won't be color
matched, and won't be flush with the rest of the floor.
But, rather, we have to remove the stain by sanding the ENTIRE floor
until the stain is sanded away. And only be this means will the
result be a floor which is color matched, and completely level.
To anyone out there that knows about floors, does that sound right to
you? I realize it might be a little tricky to replace tounge and
groove flooring. But is it really necessary to refinish the whole
floor in cases like this??
True, they will be lighter. They can be replaced though. The color will
catch up in 10 years or so.
Wood changes color over time. Finishes yellow over time. Anything you do
new will stand out. Depending on how objectionable that is to you
determines what must be done. Refinishing the entire floor is going to give
the best match, but if the stain goes deep you may still have to replace
The boards can be replaced but the new boards will have to be sanded down to
the level of the old boards. There is no way they can do this without also
sanding the old finish around the area. If you just then refinish that area
it will never match the rest of the floor.
So if the stain didn't penetrate too far you would just sand and refinish
the entire floor. If its bad then you replace the boards and then still
sand and refinish the whole floor.
Maybe yes, maybe no. Depends on several factors. One is your
flooring refinisher's wish to sell you a larger job that has a better
chance of looking like he didn't muck it up. Another might be the
location of the stained section and how much it would stand out
There are tricks to piecing in a floor, and it requires far more skill
than sanding and refinishing. Your installer might not have a
talented guy on hand and/or the final price might not be all that
different from the entire refinishing job. If you have closets in the
room that have the same flooring you can steal some pieces from where
it won't be noticed. If the finish is a little different and it's an
oil-based polyurethane (your main floor will have an amber tint) the
pieces from the closet will yellow up from exposure to UV over time.
The thickness of the new wood is a non issue. You can deal with that
before you install the new pieces. Running the back side through a
thickness planer is a simple way to thin it down, but you can also use
hand planes or even a belt sander. Better a little low than a little
NOFMA has some good articles on repairing finished floors - here's
Thanks, peoples. Y'all know your floors. All comments (and links)
read and duly noted.
-Yea, it's possible it could have been dog urine that caused it. The
stain wasn't noticed for quite a while though because, at the time,
there was a carpet covering it.
-The stain actually is in a very prominent place in the living room.
My take on the comments here is that refinishing the whole floor will
result in the best final appearance. Incidentally, the stain is
circular, about 5in diameter. The room is about 400sft (actually, the
floor covers the living room and the dining room. The two rooms are
conjoined, with only an archway between them (no door separating the
-I don't really know how deep the stain is. Too deep and I see the
advise that I'll have to replace the boards AND refinish the whole
floor. I'm supposing that's because there's a limit on how much you
can sand away the floor before you're compromising it's integrity too
-By the way, there are no closets in the room, so no available donor
pieces for a graft.
-Oren asked me to post a pic. But, as far as I know, you can't post
pics here. At least I don't recall ever seeing any pics on Usenet/
Hydrogen peroxide on a double thickness of paper towels, saturated and laid
on the spot. It is weird, it kind of lifts the stain out from under the
finish on the wood. (We have a worn polyurethane type finish on our golden
cherry stained floors.) Problem is, it is nearly impossible to control how
much the floor is lightened. You don't wind up with a uniform color. I
supposed you could if you were very meticulous and went slowly.
Yep, that's a pee stain all right! Try the peroxide first, it cannot hurt if
you intend to refinish the whole floor. We have a cat who was doing
stealth pees on the rug in the dining room we never use. Peroxide on
paper towels, applied soaking, will remove every trace of the black
color. Problem is, it might make the floor *too* light.
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