DISCOVERING MALAYSIAN TIMBER AND TIMBER PRODUCTS

Transcription

1 DISCOVERING MALAYSIAN TIMBER AND TIMBER PRODUCTS 1

2 CONTENTS 1. Misconception about Wood 2. Nature of Wood 3. Properties of Wood 4. Malaysian Wood Products 5. Useful References

3 Misconception About Wood

4 Felling tree is bad

5 Selective Management System (SMS)

6 Attributes of Wood Renewable, Carbon lock & Environmentally friendly

7 Replanting- Mangrove forest

8 IUCN Red List of Threatened Species

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10 Wood Do Not Last

11 Todaiji Temple, Japan

12 Wood can be treated to enhance durability

13 Wood is not versatile as a building material

14 Energy Efficient Aluminium (126) Steel (24) Glass (14) Cement (5) Wood (1)

15 One tonne of wood can carry a heavier load than one tonne of steel

16 Excellent Insulator Better insulation compared to other materials. Wood 1,700 times better than Aluminium 390 times better than Steel 5 times better than Concrete 8 times better than Glass 6 times better than Brick 16

17 Good acoustic properties

18 For outdoor applications

19 For structural and interior applications

20 For structural and interior applications

21 Wood is a fire hazard

22 Wood is still standing after fire

23 Steel will buckle and concrete will crumble under high temperatures.

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25 2,500 3,000 species in the forest 800 species are commonly traded 25

26 Nature of Wood Wood is a cellular material of biological origin.

27 HARDWOOD VS. SOFTWOOD HARDWOOD SOFTWOOD Meranti, Chengal, Balau Pine, Spruce, Cypress

28 HEARTWOOD VS. SAPWOOD Dark colored Center part of wood Naturally durable Light colored Outer part of wood

29 Hygroscopic of wood Absorbs water vapor or liquid Desorbs water vapor

30 Properties - Classifications Heavy Hardwood heavy to very heavy constructional timbers density : kg m 3 Balau Chengal 30

31 Properties - Classifications Medium Hardwood moderately heavy to very heavy constructional timbers density : kg m 3 Kempas Keruing 31

32 Properties - Classifications Light Hardwood light weight and soft timbers density : kg m 3 Nyatoh Sepetir 32

33 Properties Colours Kembang Semangkok Kulim Balau Dark Red Meranti Mengkulang Jelutong 33

34 Strength Strength Characteristics Strength characteristics indicate ability to withstand load and potential as engineering material. Malaysian timbers are categorized into 7 groups: SG 1 to SG 7 SG 1 SG 7 34

35 SG1 SG2 SG3 SG4 SG5 SG6 SG7 a) Naturally Durable Balau Belian Bekak Giam Teak Bitis Mata ulat Delek Malabera Tembusu Chengal Kekatong Keranji Merbau Penaga Resak b) Requiring Treatment Dedaru Red balau Kapur Keledang Damar Ara Minyak Kempas Kelat Kasai Keruing Durian Batai Merbatu Kembang Mempening Ketapang Jelutong Geronggang semangkok Mertas Kulim Meransi Melunak Medang Pulai Pauh Kijang Meranti bakau Mempisang Melantai Sesendok Perah Merawan Mengkulang Meranti, light red Petaling Merpauh Meranti, dark Meranti, red yellow Ranggu Nyalin Meranti, white Mersawa Tualang Perupok Nyatoh Punah Rengas Simpoh Penarahan Ramin Rubberwood Sepetir Terentang 35

36 Structural Components and Roofing SG 1 TO SG 5 36

37 Flooring, Staircase & Balustrades SG 1 TO SG 6 37

38 Ceiling & door frames SG 1 TO SG 6 38

39 Furniture SG 1 TO SG 6 39

40 Panelling SG 7 40

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42 MALAYSIAN WOOD PRODUCTS

43 Moulding

44 Panel Products 44

45 Flooring

46 Door 46

47 Panel 47

48 Lamscant 48

49 Laminated Veneer Lumber (LVL) Engineered wood product that uses multiple layers of thin wood assembled with adhesives.

50 Strength

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53 Glulam Finger-jointed pieces of strength-graded solid timber (lamellae) are glued together to form large structural members such as beams and columns

54 Sport Stadium, Japan

55 School, South Korea

56 Cross Laminated Timber Consists of three, five, or seven layers of dimension lumber oriented at right angles to one another and then glued to form structural panels with exceptional strength, dimensional stability, and rigidity.

57 High-rise buildings Stadthaus is a nine-storey residential building in Hackney, London.

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59 Choosing Malaysian Timbers Analysis of the job in hand Information required - Expected load - Durability Armed with specification Look for timber with this properties 59

60 MTC Useful References 60

61 Reference Malaysian Timber Council 18th Floor, Menara PGRM 8 Jalan Pudu Ulu, Cheras Kuala Lumpur Tel : Fax : lau@mtc.com.my amira@mtc.com.my 61

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