When lumber is first harvested and cut it is known as green because it has not been dried or treated.
Can klin dried wood contact floor.
Kilns in a lumber yard.
Kilns are similar to conventional ovens.
There are two reasons wood is kiln dried.
Most kilns are wood fired and are so effective that it can season wood to perfection in just a few weeks.
When the drying is done in a kiln the product is known as kiln dried timber or lumber whereas air drying is the more traditional method.
There are two main reasons for drying wood.
You can use the air drying technique that lets wood pieces dry with the aid of sunshine and air.
The first is to reduce the moisture content to a level where the wood can be used for fuel and won t lose much energy evaporating moisture.
I sell use wood once kiln dried now emc exclusively my wood is stored in a barn.
Kiln dried wood is lumber that has been rough cut from logs and then dried in a special chamber built for that purpose.
Green lumber is very moist and if it is used as is it tends to warp as it dries and contracts.
Wood drying also seasoning lumber or wood seasoning reduces the moisture content of wood before its use.
Yes in an unheated uncooled space the wood is going to reach emc equilibrium moisture content again after kiln drying.
The second reason for kiln drying wood is to prepare it for use in construction either.
Remove the wood from the kiln and store it.
Kiln drying your wood correctly will kill bacteria insects and mold.
Wood s cellular structure will be ready to absorb any moisture it contacts.
Woodworking when wood is used as a construction material whether as a structural support in a building.
Avoid stacking wood directly on the floor as this can contribute to decay.
Wood is stacked and left to the elements and this can take months to completely dry.
Even when wood has been kiln dried it may have a documented moisture content level but at any step of the process after the kiln transportation manufacturing storage or installation it is possible for wood even manufactured wood products to lose additional moisture in a dry environment or re absorb.
But for faster wood drying most woodworkers rely on kilns.
Kiln drying is basically a process of placing sawn lumber into kilns where heated air is circulated and the temperature and rh of the kiln is controlled for the purpose of reaching the wood s equilibrium moisture content emc.
These dry wood using hot air.
It might be a direct water source moisture in adjacent material or even humidity in the air.
Once the wood is ready to come out of the kiln store it in a clean dry place that s protected from the elements.
This means even low grade wood can gain become more valuable over high grade flooring timber.
That varies obviously with the weather but around here and it s about the same where you live emc runs between 10 and 12.
Therefore most lumber companies dry their wood before offering it for sale so that it will be ready to use.