Wet and Dry rot

Timber decay occurs when excess moisture enters the building structure, which simulates the natural forest recycling process. The rate of decay depends on the timber used and moisture content of the timber. Wet and dry rot in buildings are common issues resulting from this process.

The main wood rot fungi in buildings are the brown rots, which are split into Dry rot and Wet rot.

  1. Dry Rot (Serpula lacrymans) 28-30% wood moisture content, is a significant concern related to wet and dry rot in buildings.
  2. Wet Rot Cellar fungus (Coniophora puteana) prefers 50-60% wmc. This is another type of wet and dry rot in buildings.
  3. Wet Rot Mine Fungus (Fibroporia vaillantii) Prefers 40-50% wmc.

It is essential that you have the infection inspected by a suitably qualified person as misdiagnosing the type of wood rot will have an effect on the cost and extent of remedial works for wet and dry rot in buildings.

The photos show different fungi effects on timber

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More information at

https://en.wikipedia.org/wiki/Wood-decay_fungus

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