You can sand a cupped floor as long as the cupping is actually permanent. Remember that most structures undergo a moisture cycle with the changing seasons. In the winter when outdoor temperatures are below freezing, buildings tend to dry out and wood flooring will shrink.
The good news is that hardwood floor cupping can be reversed, setting the planks back to their original condition. The first thing you must do when you notice a cupped floor is to identify the source of moisture.
Subsequently, question is, is hardwood floor cupping normal? Cupping is one of the unfortunately common issues that can plague hardwood floors. It can happen to most types of wood, and it’s often the first observable sign your floor is being affected by moisture.
Hereof, what causes cupping in hardwood floors?
That’s called hardwood cupping. Excess moisture is the culprit when it comes to hardwood cupping. This happens when the humidity level is high, when the boards absorb too much moisture from the subfloor, from water leaks and spills or even by cleaning your hardwood flooring in the wrong manner.
Will cupped hardwood floors flatten out over time?
After the floor has been wet for more than 1.5 days, the floor has a 90% chance at flattening out the cupping, but a 10% chance there will still be some cupped boards. Wet hardwood floors that have been wet for more than 3 days are tougher to dry out and have less of a success ratio.
Can you fix cupped wood?
Indeed, flattening cupped lumber is almost impossible to do. The water techniques are not terribly effective. The best chance at flattening can be achieved by quickly rewetting the convex side. Remove the water and then let this convex side dry (but do not dry too fast, such as using a heater).
What does cupping look like on hardwood floors?
Cupping has occurred when the sides of flooring are higher than the center of the boards-the surface of the board has a concave shape. Solid and engineered wood flooring can both cup. Below the Fiber Saturation Point (typically 28% to 30%), wood swells if the MC is increased and shrinks if the MC is decreased.
Does cupping go away?
Minor cupping is not a problem and is something that you should even expect. When the temperature and humidity change, the cupping will probably go away. However, it’s possible that once you’ve determined the source of the moisture, the floor will dry out eventually and the cupping will disappear.
How do you keep hardwood floors from cupping?
To help protect your hardwood floors against cupping, follow these 5 tips: Only install acclimated wood floors. Fasten floor boards properly. Install a whole-home humidifier. Never damp mop a wood floor. Run vents as much as possible.
How do you dry out a wood floor?
Completely Dry the Wood Use a dehumidifier placed at the highest setting possible to dry the floors. Place it in the center of the room and leave it on for at least 24 hours. Next, place fans around the room so the entire surface receives the blowing air.
Does wood cupping go away?
Living with the condition is one option but the cupped floor is unsightly and, if a new floor, is not likely to be chosen. This cupping will gradually subside with time and multiple seasonal changes but may not completely go away. The most often repair choice is to re-sand and refinish the flooring.
How do you fix a crowned floor?
You can fix most floor crowning using an ordinary belt sander. Place a fan in the room. Remove the fan. Place an 80-grit belt on a 4-inch-wide belt sander. Place a straightedge perpendicular across the sanded area. Sand the area with an orbital sander equipped with 100-grit sandpaper until smooth. Things You Will Need.
Are humidifiers bad for hardwood floors?
Humidifiers emit moist air into a room, increasing the room’s humidity levels. They work by pulling the moisture from a water reservoir, either by using an evaporative belt or a rotating drum covered in absorbent padding. A properly functioning humidifier will not damage wood floors.
How do you fix a floating floor buckling?
Make sure there is a proper expansion gap around every wall and stationary object around the room. Re-position and add felt pads to heavy furniture to evenly distribute the weight on top of the flooring. Increase the expansion gap around the perimeter of the room. Increase expansion gap to the molding transitions.
Can water damaged wood floors be fixed?
For many water-damaged wood floors, the best way to repair the damage is to eliminate and replace the affected boards and then to refinish the entire floor. Second, as with sanding and refinishing, the new wood will often have a different hue when viewed next to the existing, sun-soaked wood.
Why is my solid wood floor lifting?
Solid wood flooring which bulges and lifts in the middle of rooms is, unfortunately, a relatively common problem. When humidity is high, the wood expands. Low, or reducing humidity causes the wood to contract again. This expansion and contraction process is entirely normal with solid wood flooring.