#1 grade Southern Yellow Pine treated with CULPEPER MICROPRO(r) technology. MicroPro pressure treated wood is treated with micronized copper preservatives which gives it a more natural wood appearance with better paint & stainability and significantly improved corrosion performance. Approved for ground contact.
What is #1 Grade? #1 Grade will contain smaller, fewer, sound, tight knots and have less wane than found in #2 Grade.