Gemini TWP1530-1 1 Gal Natural EPA-registered wood preservative which prevents structural damage and wood decay on exterior above ground wood surfaces such as untreated or previously treated fencing, decking, wood siding, log homes and roofing. Resists water absorption that causes warpth. Specifically designed to provide protection against the four major causes of wood degradation such as wood rot, water, sunlight and mildew.
