Hardscape Engineering & Soil Retention Model
Retaining Wall & Drainage Sizer
Prevent structural blowout. Accurately calculate modular concrete blocks, cap stones, buried base leveling courses, and 3/4" crushed drainage gravel backfill.
Wall Dimensions
Over 4ft typically requires permit & geogrid
Materials Takeoff
Total Blocks to Order (incl. base)
210 Blocks
Cap Stones Needed:
40 Cap Stones
Drainage Gravel Backfill (3/4" stone):
7.8 Tons (5.6 cu yd)
Estimated Material Cost:
$1,680
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