When a wood plank cups.
Hardwood floor cupping dehumidifier.
Any wood floor can suffer from cupping.
Warping and cupping are the two main types of floor damage and each cause varying degrees of deterioration.
Hardwood floor moisture problems.
Too much indoor humidity for an extended period will create the adverse effects of cupping and crowning.
So your flooring may show signs of staining from small spills the wet floor may also begin to buckle and cup when large amounts of water are absorbed as the planks swell.
During warm and humid summers the hardwood floor absorbs moisture from the air swelling and expanding creating pressure between the boards and causing the boards to warp cup or crack.
Due to the porous nature of wood moisture can be easily absorbed into the material.
Cupping in solid wood floors.
Hardwood floor cupping and crowning.
Water as with just about any household issue is almost always the cause of hardwood floor warping.
The simplest way to think of wood floor cupping is to imagine the edges of each plank sticking up higher than the centers.
The boards have bowed up in a large section in the center of the floor and you can bounce on them.
My basement was finished by the previous owners about 30 years ago and they put down hardwood floors possibly directly on the concrete.
The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water.
To prevent hardwood cupping in a basement situation run a quality dehumidifier that s large enough to handle the area.
Dehumidifiers remove moisture content in the air and if you are lucky a simple dehumidifying session might do the trick and help reverse the hardwood floor cupping.
Use a unit that drains automatically set it at 35 and let it run all summer long.
As per the national wood floor association nwfa 90 of wood flooring failures are related to relative humidity and moisture problems.
It is not hard to see the effect in.
If you imagine a picture of a child drawing a boat in the water then the water will give you a good idea of what a cupped floor looks like.
Hardwood floor in basement cupping q.
The paper will curl up away from the water.
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.
The edges are higher than the center making the board look like a cup creating an unsightly tripping.
Wood floor cupping as the name suggests is a condition where the edges of floorboards curl upward.
In some instances the use of fans and or dehumidifiers might be necessary to bring everything back to normal.
Picture a typical wooden floor plank.
Cupping also known as wash boarding is the milder form of floor damage.
Sanding so now that you have eliminated the moisture source and dehumidified your space if you still see no change in your floor the cupping as just as severe as before then this calls for more serious action.
It will then take some time for the wood flooring to get back to its normal internal humidity balance and shape.
Consistently high humidity can swell wood by as much as 15.
