Landscape bed edging shall be Curv-Rite 3000 Series - (thickness) inch thick aluminum edging, (depth) inches deep with a (finish). Edging shall be aluminum alloy 6063- T6 with stakes being 6061-T6. Edging shall have minimum of 2 in. of interlocking overlap between sections. Install per manufacturer's specifications with top of edging 1/2 to 3/4 in. above compacted finish-grade. Finish-grade to be compacted on either side of edging to maintain stability.