SANSIN PTL; can it be used on non pressure treated lumber?

Yes! PTL performs outstandingly on many wood species. Keep in mind that the color is somewhat stronger than with other Sansin wood coatings. • Can I mix Classic and SDF in the same can? Answer: No, the base formulas are inherently different. Although they may appear to be compatible, we cannot guarantee performance results. • Will adding more water to my Sansin EnviroStain affect its quality? Answer: Adding water will reduce the quality of the product. If you still wish to add water (e.g.. for ease of spraying) than add NO MORE than 5%. Always add water to stain rather than stain to water. • How do I dilute color? Answer: Use the Clear UV formula with the respective product to dilute color or increase clarity. Naturals should not be diluted more than 20% using the appropriate Clear UV formula. For example, use Classic Clear UV to dilute Classic Light Natural • Can I apply more than one coat of SDF on my deck or siding? Answer: Apply up to two coats on decks and siding. DO NOT apply ...  more