J-Block Concrete Gray Color
J-Block is one of the easiest do-it-yourself retaining wall systems available. It requires no mortar, footings, or interlocking pins. Each unit weighs only 35 pounds allowing for fast and easy installation. J-Block are light enough to be installed by just about anyone. With the built in set-back lip on each unit, proper alignment and set-back are automatic. With a little imagination and a few hand tools it is easy to build straight walls, inside curves, outside curves, and anything from 1 to 5 courses in height. That means you can create retaining walls, tree rings, planters, terrace gardens, steps and much more.
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Concrete Calculation Disclaimer:
Calculations provided by this tool are for estimation purposes only. Actual yardage may vary due to site conditions, such as uneven subgrade or bulging forms. To ensure you have enough material, it's recommended to add an additional 1/4 to 1 cubic yard to the calculator results. Depending on the subgrade's levelness, larger pours of 20 yards or more may require up to 10% additional.
