engineered wood floor cupping
Cupping is a result of underlying water damage typically coming from beneath the floorboards. Cupping can occur if there is too much moisture in your concrete slab crawlspace basement or below-floor wood floor.
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Cupping is a wood floors natural reaction to moisture.
. The temperature should also be within a range of 60-80 degrees Fahrenheit. Anything from pipe leaks to a still-wet concrete slab to improper HVAC usage can cause cupping. Its one of the most easily noticeable signs of water damage and in some instances it can be repaired.
Cupping is a result of the changes in moisture in the room. The good news is that hardwood floor cupping can be reversed setting the planks back to their original condition. I just took delivery of 300 sq ft of TG Ecotimber cherry engineered wood floor.
After all both engineered and solid hardwood consist of real wood which warps when it absorbs water. While the information contained in this Website has been prepared with all reasonable care and for informational. Ad Browse Our Variety Of Hardwood Flooring - Get The Look Of High Quality Floors For Less.
This is quite normal and the gaps generally disappear when the season changes and RH increases. Causes for dry cupping may include the following. When one side of the floor is exposed to excessive moisture that side will expand causing the.
The simplest way to think of wood floor cupping is to imagine the edges of each plank sticking up higher than the centers. I then saw that many of the planks were cupping as much as 1 12 over 4 ft to 12 over 4 ft. The degree of cupping should not be too drastic.
Many hardwoods are quite porous and will naturally cup when theres water damage. Discover Hardwood Flooring That Has Natural Beauty And Lasts For Generations. Wood floors expand and contract in each season.
Cupping occurs when water-damaged hardwood floors begin to rise up at the edges producing a literal cupping effect. Checks or cracks in the boards are also caused by loss of moisture. Other than moisture issues during summer your wood floor can also discolor.
The environment should be controlled to remains within a relative humidity range of 30-50. It most commonly occurs with prefinished and engineered wood floors. Dry cupping is more common with engineered wood floor.
Any wood floor can suffer from cupping. Cupping is a natural occurrence and in most cases its simply the result of moisture damage. Dry Cupping is a concave or dished appearance of individual engineered flooring planks with the edges raised higher than the center.
Normally when wood floors dry out gaps appear between the boards. A more extreme consequence of low RH is dry cupping. This can be easily demonstrated with the narrow piece of paper.
After following the outlined steps above for removing all moisture from the area one option is to sand down the hardwood floor. Wood flooring will always perform best in ideal range of temperature and relative humidity. Cupping is the way wood flooring response to a change of moisture content.
Statewide Floor Covering Inspection Service. While water wont necessarily ruin your engineered hardwood flooring every time most engineered flooring has a softwood core that is not water resistant and when it absorbs enough water it will start to expand causing issues like cupping or buckling. The paper will curl up away from the water.
When the moisture increases the wood swells and then when it decreases the wood shrinks. The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water. Wood is hygroscopic meaning that it absorbs and releases moisture.
This alone can lead to cupping and buckling wood floors. Cupping may occur in a fairly uniform manner throughout your house. The National Wood Flooring Association states the following on page 8 of the 2018 Technical Publication Problems Causes and Cures.
Cupping in Solid Wood Floors. Solid wood floor cupping occurs as a result of an elevated moisture content in the bottom of the flooring as compared to the moisture content at the face. Cupping is caused by a rapid loss of moisture in the wood.
It ends up looking a little like an accordion. Solid strip flooring does have a shrinkswell coefficient of 1 in the length and 4 in the width. Wood Floor Cupping and Product Quality.
Kiln-dried wood boards which are subjected to moisture only on one side will expand on that side and that is when concave shape of the board can be seen. While both engineered and solid hardwoods can experience cupping they do so in different manners because the offending moisture creates distinct effects in each material. Cupping occurs when hardwood planks bow inward creating a concave cup shape.
More to come Linda Lockwood. Where we live in Georgia the climate is very humid most of the year. When wood loses moisture it shrinks and shrinkage results in gaps.
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. When water seeps into a plank of wood flooring the side of the board closest to the moisture will expand. A cupped floor caused by shrinkage will have gaps.
Occurs when the flooring moisture is too low instead of too high. When relative humidity levels remain below the manufacturers recommendations for long enough engineered planks can begin to dry cup. I didnt notice when it was on the truck but after I moved it into the house I noticed that half the boxes had plastic wrapping and the other half didnt.
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. A concave or dished appearance of individual engineered flooring planks with. From what you describe sounds like the wood was installed wet.
Expansion space should be left at the walls. It is not hard to see the effect in.
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