Details & Upgrades Back Vertical Fence - Cap & Trim with Beveled Rot Board Gallery Material Design & Upgrades: Build Out 4 x 4 Treated Pine Posts2 x 4 Treated Pine Rails (x2)1 x 6 Western Red Cedar Pickets1 x 4 Cedar Trim2 x 6 Cedar Cap2 x 6 Treated Rot Board Durability Upgrades 2 x 4 Treated Pine Rails (x3)