Specifications of wood

1. 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

5. ELEMENTS OF
TREES

6. IDENTIFICATIONS OF
TIMBER

7. MECHANICAL
PROPERTIES

8. DEFECTS IN
TIMBER

9. Timber is the general name of wood
 There are three main types of timber :-
 HARDWOOD
 SOFTWOOD
 MANUFACTURED WOOD

10. HARDWOOD

11. SOFTWOOD

12. MANUFACTURED
WOOD

13. Manufactured product of Timber

15. Advantages of Timber

16. Use of timber as a Building Material

17. THANK YOU