3:1 Bags
3:1 Sand-Cement blended product is a 4000 PSI mix packaged in a burlap bag constructed from jute which is a natural fabric that is biodegradable. When stacked and interlocked will mold together to form a strong cementitious matrix once the burlap material degrades from weathering. The finished look is that of stacked riprap or stones. Available in 60 lb. burlap bags.