Tim-Bor Professional is one of America’s most popular pest control products. It eliminates wood destroying organisms and offers long-lasting protection with great application flexibility as dust, liquid, or foam. Tim-bor is a water-soluble, inorganic borate salt with insecticidal and fungicidal properties. It is an effective treatment for wood to kill and prevent infestations of decay fungi including white rot, brown rot, and wet rots. Tim-bor does not treat mold or prevent mold from growing on any surface.