WoodRx Ultra Classic PT Transparent Wood Stain/Sealer employs advanced technology that no other competitor is using. It’s the only sealer of its kind. It can be applied on all types of wood around your home and/or business. Decks, siding, docks, dense hardwoods, pressure treated lumber, garden furniture, playhouses, log homes, fences, cedar shakes, wood bridges and much, much, more. One sealer for all your needs. WoodRx ultra is easy to maintain and apply. It is fast, easy, no mess and best of all, it’s environmentally friendly. Durable in all climates. Comes with a 5 year warranty against graying.