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2.5 Clean Basalt

2 ½ Clean Basalt is a crushed rock consisting of only 2 ½ inch gravel. It works well for muddy or very wet areas needing to be built up to create carports, walkways, or establishing a new driveway. This product is typically topped with a 1 ½ or ¾ minus depending on drainage conditions.

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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