ASTM C1713-23 - 1.4.2023
 
1. Scope

1.1?This specification covers mortar for the repair of masonry constructed with methods and materials that pre-date the origination of current standards of construction. The mortar may be used for non-structural purposes such as repointing of the masonry, or for structural purposes such as, but not restricted to, re-construction or repair of mortar joints that contribute to the structural integrity of the masonry.

1.2?Masonry includes the following units laid in mortar: (1) cast stone, (2) clay brick and tile, (3) concrete masonry, (4) natural stone, (5) terra cotta, and (6) calcium silicate.

1.3?This specification may be used to pre-qualify mortar for a project.

1.4?Mortars tested using this specification are laboratory-prepared mortars and do not represent in-place, site mortars.

1.5?This specification provides a basis for the design of an appropriate mortar formulation based upon performance, material and aesthetic requirements. Use of this specification requires a thorough understanding of the function, maintenance, and repair requirements for the preservation and continued performance of the masonry assembly in the context of the assemblys structure, water management, and long-term performance.

1.6?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.7?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.8?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 
2. Referenced Documents

C270-26

Standard Specification for Mortar for Unit Masonry

C305-20

Standard Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency

C511-21

Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes

C595-08

Standard Specification for Blended Hydraulic Cements

C780-26

Standard Test Methods for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry

C948-81(2023)

Standard Test Method for Dry and Wet Bulk Density, Water Absorption, and Apparent Porosity of Thin Sections of Glass-Fiber Reinforced Concrete

C979-05

Standard Specification for Pigments for Integrally Colored Concrete

C1072-26

Standard Test Methods for Measurement of Masonry Flexural Bond Strength

C1093-25

Standard Practice for Accreditation of Testing Agencies for Masonry

C1157-08

Standard Performance Specification for Hydraulic Cement

C1180-24

Standard Terminology of Mortar and Grout for Unit Masonry (Withdrawn 2025)

C1329-05

Standard Specification for Mortar Cement

C1384-23

Standard Specification for Admixtures for Masonry Mortars

C1400-23

Standard Guide for Reduction of Efflorescence Potential in New Masonry Walls

C1403-22a

Standard Test Method for Rate of Water Absorption of Masonry Mortars (Includes all amendments and changes 1/4/2024).

C1489-15(2022)

Standard Specification for Lime Putty for Structural Purposes

C1506-24

Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters

C1707-24

Standard Specification for Pozzolanic Hydraulic Lime for Structural Purposes

E96/E96M-24a

Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials (Includes all amendments and changes 11/20/2024).

E2260-24a

Standard Guide for Repointing (Tuckpointing) Historic Masonry (Includes all amendments and changes 1/9/2025).

C110-24

Standard Test Methods for Physical Testing of Quicklime, Hydrated Lime, and Limestone

C61-76

Standard Specification for Gypsum Keenes Cement

C91-05

Standard Specification for Masonry Cement

C109/C109M-26a

Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50 mm [2 in.] Cube Specimens) (Includes all amendments and changes 7/30/2026).

C5-24

Standard Specification for Quicklime for Structural Purposes

C10-07

Standard Specification for Natural Cement

C136-06

Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

C141-97

Standard Specification for Hydraulic Hydrated Lime for Structural Purposes

C144-26

Standard Specification for Aggregate for Masonry Mortar

C150-07

Standard Specification for Portland Cement

C207-24

Standard Specification for Hydrated Lime for Masonry Purposes

C216-26a

Standard Specification for Facing Brick (Solid Masonry Units Made from Clay or Shale) (Includes all amendments and changes 7/24/2026).