INTRODUCTION Derived from the word timberian , that means to build Denotes wood which is suitable for building or carpentry. Three terms to be known in connection to the timber. Converted timber: sawn and cut into suitable commercial sizes. Rough Timber: obtained after falling of tree Standing Timber: Timber contained in living tree Valuable properties: »Low heat conductivity »Ability to do mechanical working »Small bulk density »High Strength Drawbacks »Decay »Inflammability »Fluctuation in properties due to changes in moisture

ELEMENTS OF TREES

IDENTIFICATIONS OF TIMBER

MECHANICAL PROPERTIES

DEFECTS IN TIMBER

Timber is the general name of wood There are three main types of timber :-

HARDWOOD

SOFTWOOD

MANUFACTURED WOOD

HARDWOOD

SOFTWOOD

MANUFACTURED WOOD

Manufactured product of Timber

Advantages of Timber

Use of timber as a Building Material

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