Designed for versatility, these ByBlock Columns with Half Walls have integrated 16" square columns with half walls spanning between them. Cover the ByBlock with any traditional cladding and install a screen wall directly to the columns. Providing style, security, and sustainability. Choose 16-inch columns at either 4-foot or 6-foot heights and optional 10-foot or 20-foot spans. Add an extensions to achieve your desired length. Available for pick up in Gardena, CA. Ships LTL across the US. Lead time 4-6 weeks. KIT INCLUDES: All required ByBlock (General Construction Grade). Hardware and Fastener Pack. Available in zinc, galvanized, drop-in anchors, or epoxy for slabs (minimum 4" depth into the slab/footer, per standard practice for a 5/8" diameter rod). Assembly instructions include; ByBlock installation process and respective anchoring methods. They are not to be considered approved plans/drawings. Consult with a local structural engineer for slab requirements, wind loads, wall height restrictions, etc. Contact us with questions. ENVIRONMENTAL IMPACT: Landfill Diversion: 4' x 16" square columns with 20" Half Wall: 0.4 tons (4' H x 10' W) and 0.65 tons (4' H x 20') 6' x 16" square columns with 27" Half Wall: 0.59 tons (6' H x 10' W) and 0.99 tons (6' H x 20') CO2 Avoidance: 0.88 - 1.44 tons (4' H) and 1.31 - 2.19 (6' H) NOMINAL DIMENSIONS: Exterior Dimensions (4' or 6' Column Height options): 16" Column @ 10' W: 10' 4" W x 1' 3-1/2" D 16" Column @ 20' W: 19' 4-1/2" W x 1' 3-1/2" D