is dry rot caused by mold
Summary: Dry rot is a condition of wood in which a fungus breaks down wood fibers and renders the wood weak and brittle. Excess moisture is the root cause of dry rot. Borate treatment wood preservatives can be used to treat and prevent fungal growth in some situations. Dry rot is a weakening of wood caused by one of several species of fungus. The fungus digests the parts of the wood that give the wood strength and stiffness. Weakened wood is typically somewhat dry, hence the name dry rot, and brittle and may have a blocky appearance.