Cuprinol Woodworm Killer Water-Based - 5LCuprinol Woodworm Killer is a clear, water based treatment designed to protect and preserve timber by effectively killing all types of woodworm. Its low odour formula is ideal for indoor use, and the treatment deeply penetrates the wood, providing long lasting protection and preventing re infestation. This product is highly effective for treating structural and other timbers, ensuring the integrity of your wood over time. Key Information Prevents Re