WOOD DETERIORATION AND PROTECTION

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MOISTURE TRAPPING • Checks and splits • End grain absorbs moisture • Joints most susceptible • Trapping under paint films, flashing etc.
Page 1 and 2: WOOD DETERIORATION AND PROTECTION F
Page 3 and 4: MICRO-ORGANISMS • Bacteria • Mo
Page 5 and 6: • Reproduce primarily by spores -
Page 7 and 8: • Derive energy from low MW organ
Page 9 and 10: STAIN - BLUE OR SAP STAIN • Colou
Page 11 and 12: • Attack wood soon after felling.
Page 13: TRUE WOOD ROTTING FUNGI
Page 16 and 17: Mode of attack
Page 18 and 19: Brown Rot
Page 20 and 21: WHITE ROT
Page 22: Rate of Deterioration
Page 25: WHERE TO LOOK FOR DETERIORATION Mos
Page 28 and 29: Sterilization Time/Temperatures 66
Page 32: Water Trapping
Page 36 and 37: Water trapping
Page 38 and 39: Trapped moisture
Page 40: End cut
Page 45 and 46: Weather exposure
Page 47 and 48: POOR IN-SERVICE MAINTENANCE
Page 54 and 55: Decay Detection • Visual • Pick
Page 56 and 57: Source: www.imlusa.com Resistograph
Page 58: Electronic hammer Source: www.imlus
Page 61: Non-destructive testing • Increme
Page 64 and 65: EVALUATION OF DURABILITY Hierarchy
Page 66 and 67: Soil Block Test (AWPA E10) • Pure
Page 68 and 69: EVALUATION OF DURABILITY
Page 70 and 71: Above ground Lap-Joints

WOOD DETERIORATION AND PROTECTION

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