ASTM C1142-95(2007)

ASTM C1142-95(2007) - 1.6.2007

1. Scope

1.1 This specification covers extended life mortar as delivered for use in construction of non-reinforced or reinforced unit masonry.

1.2 This specification is a property standard.

1.3 Four types of mortar are covered: RM, RS, RN, and RO. These types of mortar can be manufactured by using one of the four mortar formulations with masonry aggregate: portland cement, portland cement-lime, masonry cement, or masonry cement with portland cements. The materials are listed in Section 5.

1.4 Appendix X1 provides a rationale statement and commentary.

2. Referenced Documents

C91-05	Standard Specification for Masonry Cement
E518-09	Standard Test Methods for Flexural Bond Strength of Masonry
C150-07	Standard Specification for Portland Cement
C207-24	Standard Specification for Hydrated Lime for Masonry Purposes
C270-26	Standard Specification for Mortar for Unit Masonry
C780-26	Standard Test Methods for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry
C1072-26	Standard Test Methods for Measurement of Masonry Flexural Bond Strength
C144-26	Standard Specification for Aggregate for Masonry Mortar
E447-97	Test Methods for Compressive Strength of Laboratory Constructed Masonry Prisms (Withdrawn 1998)