Dry rot can affect timber as well as other building materials. Dry rot is when the wood shrinks, darkens and cracks or a white fluffy mycelium develops. Dry rot fruiting bodies are like a pancake with an orange surface and a rust red spore dust. Active dry rot produces a musty damp odour.
Wet rot is where the timber decays naturally in the presence of high moisture. Wet rot causes the wood to become bleached and a strong fibrous appearance occurs. Wet rot, can occur when the timber is in direct contact with masonry or where there is a collection of water