Barrettine Clear Woodworm Killer is a deep penetrating oil/spirit-based formula for preventing and exterminating woodworm and wood-boring insects, including the Common Woodworm Furniture Beetle, House Longhorn Beetle, Powder Post Beetle and wood-boring Weevils. Ideal for treating furniture, wooden flooring and structural timbers, Barrettine Woodworm Killer is suitable for internal and external timber and will dry within 48-72 hours. This low-odour formula kills woodworm larvae and eggs when in direct contact and will dry to a clear finish to provide years of lasting protection against re-infestation.