Why is dry rot?

Dry rot is a term commonly used to describe a type of wood decay caused by specific fungi, particularly the Serpula lacrymans species. It thrives in damp, poorly ventilated environments, breaking down cellulose in the wood and compromising its structural integrity. Despite its name, dry rot can occur in seemingly dry wood, as the fungi require moisture to initiate growth. Effective prevention involves maintaining proper ventilation and controlling moisture levels in buildings.