SM80U
Spec Mix Underground Utility Mortar 80 lb
Spec Mix® Underground Utility Mortar (BOM #106516) is a dry, preblended, air-entrained mortar mix containing Portland cement, hydrated lime, and dried masonry sand formulated for superior bond and outstanding freeze-thaw resistance in all underground precast concrete structure applications. This product meets ASTM C 270 and ASTM C 1714 requirements.
Underground Utility Mortar is designed to be compatible with the characteristics of the specified pre-cast concrete structure or brick used in man-hole and catch basin construction. Underground Utility Mortar is acceptable for the jointing of all types of underground precast concrete utility construction and laying concrete brick in manholes and catch basins. It may be used above or below grade when manufactured to the appropriate specification. Check local codes to determine which formulation to use.
One 80 lb. (36.3 kg) bag will yield approximately 0.7 cubic feet of wet Underground Utility Mortar.