4 x 6 x 20 (Actual: 3-1/2"x5-1/2") #2 Waxed Ground Contact Treated Pine
16 Available at SAN MARCOS
Waxed Ground Contact Sizes: 4x6x20
Southern Pine, Pressure Treated (MCA .15) Wax, No. 2 grade lumber. Often described as a 20 ft, 4 x 6 (nominal sizing), this product typically measures 3-1/2 in thick by 5-1/2 in wide. Appearance notes: Surfaced on 4 Sides.
- Southern Pine lumber has been popular since Colonial times and consists of four main species: longleaf, loblolly, shortleaf and slash; design values for Southern Pine are comparable to other softwood species used in residential and commercial construction
- No. 2 grade lumber is used in all general construction; this grade is designed for the many uses where higher strength properties are not needed and where serviceability is important; few defects are permitted and knots of any quality are allowed as long as they are well spaced and do not exceed size regulations
- Pressure-treated with Micronized Copper Azole (MCA) to protect against termites, decay and rot; for use in general applications with ground or fresh water contact; includes wax infusion during treatment to slow drying
- The board has been surfaced smooth on all 4 sides