TWP TWP-1503-5 Wood Preservative Stain, Dark Oak, 5 GLHighlights: 1500 series 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 EPA registered Low VOC with special UV Clear does not contain ultraviolet screening pigments and will allow wood to age to a natural gray 5 Gallon Color=dark oak