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Timber is used as lumber in the construction industry and to produce furniture, pulp and paper, and wood-based composites. Timber is unprocessed wood and lumber as cut wood packaged for commercial sale.

 

Lumber:
Approximately 50% of softwood timber, such as pine, fir and larch, is consumed by the construction industry to produce boards and planks. Harwood timber, such as maple, mahogany and walnut, is used primary to make pallets, cabinets and flooring.


Pulp and paper:
Paper is produced from cellulose fibers extracted from the cells of a tree. Pulp is made by pressing these fibers together to form a mat.

 

Wood-based composites:
Plywood and particleboard are produced by combining sawdust, wood shavings or wood with other materials.

 

Types of Softwood Timber

Fir:
A straight, thin tree, growing to about 40m ( 130 ft ) in height and 1m ( 3 ft 3 in ) in diameter, losing its lower braches in the process.

 

Cedar:
This elegant, conical-shaped tree grows slowly to 30 m ( 100 ft ) in height and about 1m ( 3 ft 3 in ) in diameter.

 

Larch:
One of the toughest softwoods, the larch grown to about 45 m (150ft) in height, and the straight, cylindrical trunk has a diameter of about 1m ( 3 ft 3 in ). The tree sheds its needles in winter.

 

Spruce:
This important timber producing tree has an average height of 36 m (120 ft), but can grow to 60 m ( 200 ft ) in favourable conditions. Young trees are the source of the traditional Christmas tree.

Pine:
It grows up to 30 m ( 100 ft ) in height and 1m ( 3 ft 3 in ) in diameter. It is conical in shape when young, but becomes flat topped when mature.

Types of Hardwood Timber

 

Beech:
This large tree can reach a height of 45 m ( 150 ft ), with a straight, clear trunk about 1.2 m ( 4 ft ) in diameter.

 

Ash:
This tree grows up to about 18 m ( 60 ft ) in height, and has a trunk diameter of about 750 mm ( 2 ft 6 in )

 

Red Oak:
Depending on the growing conditions, it can reach a height of 21 m     ( 70 ft )and a diameter of 1 m ( 3 ft 3 in )

 

 

Application of Timber

  • Woodworking industry
  • Wooden Houses
  • Furniture Industry
  • Machinery and Tool
 
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