Total Depth (in.)
Total Sat Wt (psf)
Total H2O Ret (gal)
4.5
27.4
1
GRO Classic
Standard Systems
FEATHERWEIGHT
2+1
CLASSIC
WATERHOG
WATERHOG XL
CUSTOM
Components:
Plants
Sedum
Custom Plants/None (not calculated)
Engineered Soil
2" Extensive Soil
4" Extensive Soil
6" Extensive Soil
6" Intensive Soil
8" Intensive Soil
10" Intensive Soil
12" Intensive Soil
Water Retention Layer (optional)
1" Mineral Wool
2" Mineral Wool
Capillary Mat
None
Drainage Mats
1/4" Low Flow Drain Mat
1/2" Drain Mat
1/2" Drain Mat Plus
1/2" High Compression Drain Mat
1" High Retention Drain Mat
Root Barrier
20 mil
30 mil
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