Go over the entire surface of the floor again.
Does cupping on hardwood floor go away.
Change the sandpaper as.
Warping causes much more damage to your floors than cupping does.
Because the flooring was installed and had expanded in place it had nowhere to go but up which is considered acclimation cupping.
These products are especially valuable in situations where the environment is less than ideal for a hardwood floor where another floor would have no chance of success at all.
What does cupping look like on a hardwood floor.
Meanwhile your hardwood has nowhere to go as it begins to squeeze against itself and pull away from the sub floor crowding and eventually buckling.
This cupping did not and will not go away with the seasons.
Most often a warped wood floor is caused by standing water or heavy moisture below the floor due to an unidentified leak or other hidden water source.
The boards have bowed up in a large section in the center of the floor and you can bounce on them.
The good news is that hardwood floor cupping can be reversed setting the planks back to their original condition.
David land august 13 2018 at 4 29 pm.
I called the company who installed the floor and they said the moisture level was too high.
My basement was finished by the previous owners about 30 years ago and they put down hardwood floors possibly directly on the concrete.
The first thing you must do when you notice a cupped floor is to identify the source of moisture.
The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water.
Clearly sub floor moisture levels and hardwood moisture levels should be taken into consideration before installation in order to prevent possible buckling.
While this does not completely remove the possibility of moisture related issues it does greatly reduce the chances of problems like floor cupping.
This expansion can be in the form of cupping the center of the board is lower than the edges or crowning the center of the board is higher than the edges.
It can manifest in various forms of plank disfigurement and should be taken very seriously.
I have a new 6 month old on site installation of 3 4 inch hardwood flooring that is cupping.
After the flooring was installed and once the flooring acclimated to the proper emc the flooring expanded.
This pass with the sandpaper should remove any scratches as well as the remainder of the high places caused by the cupping.
Cupping occurs in solid wood flooring as a result of an elevated mc in the bottom of the flooring compared with the mc of the face.
It is not hard to see the effect in.
Cupping in solid wood floors.
The paper will curl up away from the water.
When moisture interacts with a hardwood floor the side of the boards closest to the moisture expands.