sack

Sack is in reference to cement. One (1) sack of cement is equal to 94 lbs. which is also equal to one (1) cubic foot.

Different concrete design mixes contain different amounts of sacks of cement. One of the most popular mix designs contains six (6) sacks of cement per cubic yard of concrete. A “six sack mix” is one of the most pumpable mixes for the industry.