Seasoning wood is the process of correctly drying timber in order to remove moisture in the cells of the wood walls . It is a necessary procedure to produce seasoned timber, helping it to burn cleanly. Seasoning can be achieved via several methods, but all methods aim to remove water and prevent damage to the wood.
What is the seasoning of natural wood and why is it necessary to season the wood before it is used?
Seasoning is the process of drying timber to remove the bound moisture contained in walls of the wood cells to produce seasoned timber . Seasoning can be achieved in a number of ways, but the aim is to remove water at a uniform rate through the piece to prevent damage to the wood during drying (seasoning degrade).
Why seasoning of wood is necessary?
There are many reasons for drying wood, improving of properties of wood to be used for construction is the main aim. ... If wood is cut to size before it is seasoned, it will shrink during drying and thus be undersized in its final form. To reduce or eliminate attack by decay or stain.
What are the advantages of natural wood seasoning?
- 1.To increase dimensional stability. Wood shrinks across the grain (not along the grain) when it dries. ...
- 2.To reduce or eliminate attack by decay or stain. ...
- 3.To reduce the weight. ...
- 4.To increase the strength.
What is natural seasoning of wood?
Natural Seasoning of Timber
Natural seasoning is the process in which timber is seasoned by subjecting it to the natural elements such as air or water. Natural seasoning may be water seasoning or air seasoning.
What are the disadvantages of natural seasoning?
- It needs a larger space for seasoning.
- This process is long and depends on natural air.
- In natural seasoning, the ends of timber dry fast and split. ...
- During the natural seasoning, there is a possibility of fungal and insect attack.
How is wood seasoning done?
Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. 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.
Does seasoning wood make it stronger?
Dried timber is stronger than green timber in most strength properties . ... Dry wood generally works, machines, finishes and glues better than green timber (although there are exceptions; for instance, green wood is often easier to turn than dry wood). Paints and finishes last longer on dry timber.
What are three 3 advantages of seasoning timber?
- Reduced Inception of Decay or Stain Fungi. Seasoned wood dried to a moisture content of less than 20% below the fibre saturation point will ultimately prevent the onset of stain fungi and decay. ...
- Weighs Less. ...
- Increased Strength and Stability.
What are the side effects of using natural timber seasoning?
- The equipment required is very costly.
- It is an uneconomic process as a high rate of electricity is consumed.
- During heating the cells of wood or timber they lose their strength and become weak.
Which type of wood is used for doors and windows?
Among the many types of wood, the following can be used for doors and windows: Hard woods such as oak, ash, poplar or walnut which are darker and have a grainier finish. Soft woods such as pine, fir or cypress, more economical with a less veined finish .
What is air seasoning wood?
In seasoning. ... most common seasoning methods are air seasoning and dry-kiln seasoning. In air seasoning, the boards are stacked and divided by narrow pieces of wood called stickers so that the air can circulate freely about each board. The stack is slanted to facilitate drainage of rain.
What are the common defects in wood?
- Checks and Splits. A check is a term used to describe a crack that runs through a board, usually running lengthwise. ...
- Rot and Decay. Rot and decay is the general description for the disintegration of wood fiber. ...
- Ring Shake. ...
- Pitch, Gum and Sap. ...
- Wane. ...
- Crook or Crown. ...
- Bow. ...
- Cup.
What are the common causes of decay in wood?
A common cause of wood decay is when untreated wood is alternately ex- posed to wet and dry conditions , as in ground contact, or when it collects moisture and re- mains moist for an extended period.
What is the disadvantage of using seasonings?
Insomnia is one of the effects of using spices more than your body can take. ... Gastritis, acid reflux, tongue irritation and some other complications are common if you misuse spices.
What are the enemies of wood?
- Cellar fungus (Coniophora puteana) Fungal AttackCellar Fungus is one of the wet rot fungi, which feed on damp timber, causing the wood to lose weight and strength and ultimately collapse. ...
- Pore fungus (Fibroporia vaillantii) ...
- Dry rot (Serpula lacrymans)
