You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.
Floors bowing u.
A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too.
If water has seeped into the boards they may swell against one another which can cause the bow.
Bowing or warping of floor boards can occur for several reasons.
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Wow u guys r pretty prompt and detailed w ur responses.
I believe it is probably because of bowing floor joists probably about 300 sq ft of the house.
Setting up ventialtion fans and a dehumidifier will remove moisture over the course of a few months.
The house is great however the laminate floors are bowed on the first level of the house.
For deeper cleaning you can use a steam mop very sparingly on laminate floors.
Hardwood floors can be very damaged from water infiltration.
On the top side of the floor another fix it idea to lay down new hardwood over the existing floor.
This page was written by joel hirshberg.
Removing the moisture as soon as possible is key.
If your marble test indicated a high area where marbles always roll away it could be that a floor joist has.
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If solid wood floors are fitted without an expansion gap problems which can sometimes be severe are likely to arise.
Wood floor crowning is the opposite of cupping and happens when the center of the board is higher than the edges.
Here s how that happens.
As i look over the information posted and questions i am noticing that a lot of responses refer to replacing the damaged areas of the laminate flooring.
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After mopping go over floors with a dry microfiber cloth or a dry mop to ensure no water remains on the laminate.
I am concerned because my problem is so simple and much smaller than many of the post i ve read.
This is occuring primarily in the dining room one bedroom and part of the foyer living room area.
When humidity is high the wood expands.
Crowning can also be caused by previous floor cupping.
How to fix bowed floors.
The hallway there was a bow.
Occasionally a floor joist will bow upward creating a heaved area on the floor above.
Guys i have my second property locked up.
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Solid wood flooring takes in moisture when there is a high level of humidity in the air and then the flooring lets that moisture go when the humidity in the atmosphere reduces again.