IGNOU MMPN 6 2026 - Describe various causes or situations which favour the early dec

Question

Describe various causes or situations which favour the early decay of timber.

31 Jan 2026

Answer :

Word Count : 482

Timber is a natural building material and, if not properly selected, seasoned, treated, and maintained, it is prone to early decay. One of the most important causes of early decay of timber is moisture. When timber remains continuously damp due to rain, leakage, damp walls, or poor drainage, it creates favourable conditions for fungal growth. Timber used in contact with moist soil, waterlogged foundations, or poorly ventilated basements decays rapidly because fungi require moisture to survive and multiply. Another major cause is lack of proper seasoning. Unseasoned or partially seasoned timber contains a high percentage of moisture, which weakens its structure and encourages fungal and insect attack. Such timber shrinks and warps after installation, developing cracks through which moisture and organisms can easily enter, accelerating decay. Poor ventilation is also

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