Apr 17, 2020 · To give a comparison between that and other raised beds, my square 4.5′ x 4.5′ x 24″ beds take 40.5 cubic feet of soil or 1.5 cubic yards to fill. The Birdies beds aren’t just sturdy, but they provide great surface square footage with lower soil requirements than the standard home-built wood garden beds. Filling The Bottom Of Your ... Lumber stamped Above Ground Use should be used at least 6” above the ground. That's the final grade, or level, after landscaping. This type of treated wood should be used in places with good air circulation, water drainage, and limited contact with plants or leaf litter. Supplying Klamath Basin & extended Surrounding Areas w/Juniper Firewood & Lumber. Call or text 541.591.7638 Clear Diamond Juniper takes pride in it's quality products and customer service. We make hardscaping products. Our pavers, walls, tiles, edgers, and outdoor living features provide functionality and add beauty to your outdoor living area.