* Furnished blocks manufactured with concrete conforming to the cement requirements of ASTM C150 and to the aggregate requirements of ASTM C33. Meet a minimum compressive strength of 5,000 psi for 28 days. Furnished blocks that have a minimum weight of 3 lb per block. Blocks shall have a course anti-slip surface not truncated domes and placed no further than two inches apart. * Blocks: Shall be 5000 PSI, wet-cast Portland Cement * Block Size: 6.5" x 6.5" x 2.25" * Interlocking Bilaxial Geogrid: Durability with 2,055 lb/ft biaxial strength * Underlayment Materials: Shall include three (3) backing options: 1. Standard - includes Curlex II backing; 2l Plus - includes both Curlex and Tecuclex TRM-V; 3. Filter Fabric - includes non-woven filter fabric backing
