We are able to provide timbers in various sizes and shapes. However, far too many sizes of timbers are used in building construction. The following are sizes that are recommended by the Malaysian Timber Industry Board for use as building components.
| | | | |
SHAPE | | STRUCTURAL USES | | NON-STRUCTURAL USES |
| | | | Nominal Size | Minimum Size
(after dressing) |
|
| | | | |
| Square | | 100mm x 100mm
(4" x 4") | 90mm x 90mm | 125mm x 125mm
(5" x 5") | 115mm x 115mm | 150mm x 150mm
(6" x 6") | 140mm x 140mm |
| | 25mm x 25mm
(1" x 1") | 22mm x 23mm | 50mm x 50mm
(2" x 2") | 47mm x 48mm | 75mm x 75mm
(3" x 3") | 72mm x 73mm |
|
|
| Rectangle | | 25mm x 50mm
(1" x 2") | 20mm x 45mm | 50mm x 100mm
(2" x 4") | 45mm x 90mm | 50mm x 125mm
(2" x 5") | 45mm x 115mm | 50mm x 150mm
(2" x 6") | 45mm x 140mm | 75mm x 100mm
(3" x 4") | 70mm x 90mm |
| | 15mm x 25mm
(1/2" x 1") | 13mm x 22mm | 15mm x 50mm
(1/2" x 2") | 13mm x 47mm | 15mm x 75mm
(1/2" x 3") | 13mm x 72mm | 25mm x 50mm
(1" x 2") | 23mm x 47mm | 15mm x 100mm
(1/2" x 4") | 13mm x 97mm | 40mm x 50mm
(1.1/2" x 2") | 38mm x 47mm | 40mm x 75mm
(1.1/2" x 3") | 38mm x 72mm | 40mm x 100mm
(1.1/2" x 4") | 38mm x 97mm | 40mm x 125mm
(1/2" x 5") | 38mm x 122mm | 40mm x 150mm
(1/2" x 6") | 38mm x 147mm | 50mm x 75mm
(2" x 3") | 48mm x 72mm | 50mm x 100mm
(2" x 4") | 48mm x 97mm | 75mm x 100mm
(3" x 4") | 73mm x 97mm | 75mm x 125mm
(3" x 5") | 73mm x 122mm |
|
|
| Application | | Nominal Size | | Minimum Size (after dressing) |
|
| Boarding | | Sizes Recommended Are: 20mm x 100mm (3/4" x 4")
20mm x 125mm (3/4" x 5")
20mm x 150mm (3/4" x 6")
30mm x 175mm (1 1/4" x 7")
30mm x 200mm (1 1/4" x 8")
30mm x 225mm (1 1/4" x 9")
30mm x 250mm (1 1/4" x 10")
| | Minimum size (after dressing) 18mm x 97mm
18mm x 122mm
18mm x 147mm
28mm x 172mm
28mm x 197mm
28mm x 222mm
28mm x 247mm
|
|
| Floor Boards | | Sizes Recommended Are: Thickness
20mm (3/4")
25mm (1")
30mm (1 1/4") Width
100mm (4")
125mm (5")
150mm (6") | | Minimum Size (After Dressing) Thickness
18mm
23mm
28mm Width
97mm
122mm
147mm |
|
| Stair Treads | | Sizes Recommended Are: 40mm x 250mm (1 1/2" x 10")
50mm x 250mm (2" x 10")
50mm x 300mm (2" x 12")
75mm x 250mm (3" x 10")
75mm x 300mm (3" x 12") | | Minimum Size (After Dressing) 38mm x 247mm
48mm x 247mm
48mm x 297mm
73mm x 247mm
73mm x 297mm |
|
The above information is excerpted from the MTIB's publication entitled
“Specifying Timber For Building Construction”
