CDOT Class 6 Road Base

(3/4″ Crushed)

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Coverage Chart

MATERIAL DEPTH 1 TON COVERAGE
¾” Rock 2” 105 sqft
¾” Rock 3” 85 sqft
1 ½” Rock 2” 100 sqft
1 ½” Rock 3” 80 sqft
1 ½ Lava Rock 3” 220 sqft
2” – 4” Cobble 65 sqft
3” – 8” Cobble 35 – 50 sqft
4” – 9” Cobble 50 sqft
2” – 14” Cobble 30 sqft
4” 15” Cobble 17 sqft
Indian Summer 2” 120 sqft
Indian Summer 3” 100 sqft
Pea Gravel/Chip 3” 100 sqft
Road Base/Recycled Asphalt 3” 65 sqft
Sand/Breeze/Structural Fill 2” 35 sqft
Flagstone 105 sqft
4” Strip Stone 40 Face ft – 160 Liner ft
8” Strip Stone 20 Face ft – 80 Liner ft
Colorado Veneer 30 – 50 FAce ft
Mexican Beach Pebble 65 sqft
Tumbled River Flats 105 Face ft


ONE CUBIC YARD COVERS
105 sqft 2”
100 sqft 3”
75 sqft 4”
50 sqft 6”
25 sqft 12”