Adbri - Natural Impressions Flagstone Retaining Wall Blocks

Create stunning, contemporary retaining walls with Adbri Natural Impressions Flagstone Retaining Wall Blocks. Designed to replicate the natural beauty of stacked stone, these blocks feature five unique face profiles and blended colours to give your walls a truly random, natural appearance. The DIY-friendly rear lip stacking system ensures easy installation while maintaining structural stability. Perfect for straight, curved, or serpentine walls, these blocks are ideal for residential or commercial landscaping projects, adding texture, style, and function to your garden or patio areas. Shop flagstone retaining wall blocks online at Rock ’N’ Soil—your trusted supplier of landscape supplies in Brisbane, offering convenient click & collect, yard pick-up, and delivery across Brisbane and the Redlands. Applications • Retaining walls up to 700mm unreinforced* • Curved, straight, or serpentine garden walls • Setback and residential retaining walls • Garden edging and planter boxes • Steps and raised garden beds • Vegetable patches and outdoor features *Check local council requirements for walls over 700mm or reinforced constructions. Specifications • Block Size: 300mm (L) x 160mm (D) x 100mm (H) • Weight: approx. 9.1kg per block • Blocks per m²: 33.33 • Units per pallet: 168 • Profile: Straight with five random face profiles for natural stacked stone appearance • Colours: Blended Ash and Graphite tones • Material: Concrete masonry • DIY-Friendly: Rear lip system for simple stacking • Compatibility: Works with Natural Impressions Flagstone capping and standard units