Wood is a construction material used to build housing. The key components such as door and window frame. Shutters stairs step mother used to make furniture, indoor flooring. And other furniture.
Not classified as a type of organic matter. Not contain. The outer shell consists of a cell is dead.
1. SapWood into the next shell. Are substances that are necessary for the survival of plants such as flour, sugar and protein, preventing mold and die easily like to eat.
2. HeartWoodenness section next to the sapWood
3. Heartedly central point would not have any elasticity.
Wood can be divided into three categories by holding out the bending strength of dried fruit. And natural durability of Wood species such as the criteria were.
1. HardWoods strength higher than 1000 kilograms per square centimeter. Very robust than 6 years, Khiam Wood Woodenness Wooden Ack Heuampoo Salao Wooden Woodenness Wooden Khegcyri Eeeyongaman red cedar Wood Woodennessen nest Amacnroamong stone, Wood ebony Wood extracts Pradu Teng Tabun dark Wooden treated with Wood Takhro Takhro Mai Dang Mai Kan Krao eggs.
2. HardWoodennesss medium Strength 600 to 1000 kilograms per square centimeter has 6 years of durable Wooden, including Wood Hiang Rnuฟgr Yung Wooden Wood Wood Amacnrแeg antimony tiger Woodenness Wooden Woodenness Nonsi Tabak Ta Ecึ network as Wooden mice. Wood Wooden Takianthong Width.
3. SoftWood strength less than 600 kilograms per square centimeter. Tolerance less than 2 years, teak Wood rubber Wood Inthanin red Phayom Paya Mai Mai Mai Mai Dmameong Tabun unexpected shift notch Wooden broom jute.
Timber sold within the country is divided into the type and size according to popular industry Lumber and other building across the following.
1. No cover larger and thicker 1 / 2 to 3 / 4 inch width 4 to 6 inches and 8 to 10 inches.
2. Wooden floor size of 1 inch thick.
3. Woodenness Pages Size 1 1 / 2 to 2 inches and 2 1 / 2 to 3 inches wide and 12 inches 3,4,5,6,8,10.
4. Wooden poles Size 4 x 4 inches thick, 5 x 5 inch and 6 x 6 inches.
5.. 5 slat size 1 x 1 inch thick.
6. Do not Bolt's size for 1 / 2 to 3 / 4 inches x 2 to 3 inches and 1 to 2 inches x 1 1 / 2 to 2 inches.
The length of Wood of all kinds into four types.
1. 2.00 to 2.50 meters.
2. 3.00 to 5.50 meters.
3. 6.00 to 7.50 meters.
4. 8.00 meters or more.
Durability of Wooden can be classified according to the environment of the place as follows.
1. Not in the shade of termites.
2. Outdoor Woodenness from sun and rain.
3. Not in the marsh From embryos of freshwater insects, worm them.
4. Woodenness in brackish water or salt water from shrimp, crab, worm bivalves some destruction to the housing.
Because they do not currently have a lower quality of shrinkage cracking or bending easier. Causing damage to buildings. Household Appliances Aamgsoi by over any need to improve the quality of the Woodenness to make a higher quality Woodenness. Which improves the color strength, shrinkage and swelling, and durability are a number of ways.
1. The Woodenness pile Wooden pile is not close to clear consecutive In addition to the Wood, then dry. To prevent Wooden decay fungi that are very good. The sapWood of Wood or Wooden that is not durable. While raw and processed Wooden pile close to each other just a couple of days. It will be the full mold. May cause damage to the Woodenness to fail over time.
2. Soak in water for a long time to make flour and sugar contained in the Woodenness to decay. When the fruit fly. Despite the sapWood attached. Moth is not to interfere.
3. Baked or steamed. To make certain chemical compounds that absorb and emit a lot of water to disintegrate. Cause swelling and shrinkage of the Woodenness down.
4. Heat or dry By adding Wooden to bake in the oven. Which can quickly dry Wooden does not prevent damage from shrinkage Of the dry air. Dry Wooden will dry quickly or slowly depending on the moisture in the air. If the weather with low humidity. Wooden is dry. If the plant is dried, moisture not more slowly.
5. Incompressible heat. The Woodenness volume was smaller and still images after compression and make more solid and durable.
6. The compressive plastic The material is compressed into a liquid plastic timber. Then make it a binding merger plastic. Become solid in the future. May do so by using a catalyst, chemical or radiation.
7. Heat is a liquid or compressed Ta Chung years soaking liquid into the Woodenness with high pressure. This is the most effective way. By bringing Wood into the room until the home closed tightly. The air in the Wooden drying out and the room completely. Then released into solution. At the same time, it will increase the pressure of air in the pipe gives rise to the desired level. Leave it for a while, and then reduce the pressure down Office enamel and Wood are generally resistant than natural Wooden several times.
Reference to Wood
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