Wood

 Wood is easier to acquire, transport, and work than other natural materials. All parts of a building can be efficiently constructed of wood except foundations; its disadvantage is susceptibility to fire, mold, and termites.
 * Wood **


 * Physical Properties of Wood: **Anisotropy,moisture, dimensional stability, density, resistance to weathering,durability, action of other organisms, electrical properties and thermal properties.


 * Mechanical properties: **Elastic properties and strength properties.