EndRot Borate Powder EndRot Borate Powder is an EPA registered insecticide and fungicide for the control of wood destroying insects and rot. Use EndRot Borate Powder in combination with the other System Three rot restoration products.EndRot Borate Powder is a water-soluble white powder. It can be used dry or in solution to form an effective penetrating solution. There are no hazardous solvents and no odors. The active ingredient in EndRot Borate Powder, Disodium Octaborate Tetrahydrate, is a borate derivative that will not break down over time. Borates have been used as a safe and effective pest control for over 40 years and is a part of the System Three EndRot System for wood rot repair. Features Dissolves easily in warm water Odorless in solution Penetrates deep into wood Solvent free Properties Mix with Water at 2 oz. Package + 16 oz water1 lb. Package + 128 oz water Deep Coverage Penetrates Deep into the Wood Coverage 2 oz Package covers 20 ft²1 lb. Package covers 150 ft² Data Sheets Technical Data Sheets Safety Data Sheets