Molded from limestone quarried in the upper Midwest, Cultured Stone« Limestone replicates this popular building material to a T. The rough, hand-split surface in a variety of colors lends itself to any number of possibilities. 11.25 SF per Handi-Pak, 90 SF per Big Box, 8 LF per Corner Handi-Pak, 64 LF per Corner Big Box. Coverage is based on 1/2" joints and will vary on joint size, cutting or trimming preferences. 127 LBS. per Handi-Pak, 960 LBS. per Big Box, 110 LBS. per corner Handi-Pak, 615 LBS. per Corner Big Box.