Whatever the scale of your project, it needs to be protected against rot, fungi and insects. While all Sansin preservatives offer exceptional protection and performance, Sansin also manufactures products specifically designed to preserve wood. Borlox is an environmentally-friendly coating that prevents prevent borate leaching from borate treated lumber, plywood and Glulam timbers. Impel Rods are the only effective decay control system that protects logs internally – designed to be inserted into log ends, timbers, joists and many other structural applications.