Hardwood flooring over particle board.
Stability chart for hardwood flooring.
Although some tropical woods such as australian cypress brazilian cherry merbau and wenge appear in this chart to have excellent moisture stability compared to northern red oak actual installations.
Expect to have larger gaps below the normal rh level.
That is why engineered hardwood all the time is better option for basements or underground areas with potentially.
However this is a very important aspect to consider especially if you live in an environment that has drastic humidity swings between the seasons.
Another factor is that different techniques or types of installation will play a big role on the dimensional stability of floor itself.
Change actually diminishes in a complete floor because the boards proximity to each other restrains movement.
I love the look of brazilian teak cumaru and have seen several gorgeous photos on gw gardenchick1 lindybarts vfish polkadots and more but am nervous about putting it in our new home.
Our builder and flooring supplier both expressed concerns about the stability although it appears to be average on the stability charts and very hard.
The change co efficient can then be used to calculate expected shrinkage or swelling.
Wood stability measures wood shrinkage or swelling.
Why stability is important when customers are looking at selecting a new hardwood product one of the last things they probably consider is the dimensional stability.
The smaller the number the more stable the hardwood flooring.
For information on installing a subfloor over concrete contact the national wood flooring association at 1 800 422 4556 pre installation job preparation inspect the flooring inspect material for color finish milling and grade.
Dimensional stability of engineered hardwood floor is higher.
This chart is for solid wood.
Hardness and stability chart highland hardwoods stability chart.
The cut of the wood will affect it s stability also.
Note these numbers a represented at normal relative humidity levels 40 50.
For example white oak flooring flat sawn versus a quarter sawn on a flat sawn size change affects it s width and length where as a quarter sawn.
At highland we carry only the finest quality hardwood lumber flooring decking available anywhere.
Tangential change values will normally reflect changes in plain sawn wood.