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4.8 Basalt

4-8” Basalt is commonly used for construction sites to establish a foundation for heavy equipment traffic in very wet or muddy areas. In landscaping, it has been used to line garden beds and build smaller rock walls.

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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