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Medium Lava Rock is similar to small lava rock in its purposes, however is sized between 1”-1 ½”.
Calculations
For products under 7/8"
One Cubic Yard Covers:
324 Sq. Ft. ......... 1" deep
162 Sq. Ft. ......... 2" deep
108 Sq. Ft. ......... 3" deep
81 Sq. Ft. ........... 4" deep
65 Sq. Ft. ........... 5" deep
54 Sq. Ft. ........... 6" deep
Rock Wall Formula
L x H
Sq. ft. per ton
1/2 man = 16 9" to 12"
1 man = 14 12" to 18"
2 man = 12 18" to 28"
3 man = 9 28" to 36"
4 man = 7 36" to 48"
5 man = 5 48" to 54"
6 man = 3 54" to 60"
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