Gemini TWP Total Wood Preservative TWP115-1 Honeytone One Gallon ***** RESTRICTED: This product cannot be shipped to the following states: AK AZ CA CT DC DE HI IL IN MA MD ME NH NJ NY OH PA RI VA VT. All other states ship via GROUND transport only. Preserves wood from turning gray , Sheds water Used for all types of exterior natural wood - Decking, Wood Houses, Wood , Fencing, Hardwoods, etc Enhances natural beauty of new & old wood ,Penetrates deeply without excessive surface film build . Protects against rot, water, sunlight & mildew ...Prevents cracking and veneer siding delamination ....Life expectancy of 3 - 5 years