SECTION_04_05_16_Masonry_Mortar_and_Grout.docx
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SECTION 04 05 16 MASONRY MORTAR AND GROUT
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SECTION 04 05 16
SECTION 04 05 16
MASONRY MORTAR AND GROUT
| PART 1 | GENERAL |
| 1.1 | SECTION INCLUDES |
| A. | Mortar and grout for masonry work. |
| 1.2 | REFERENCES |
| A. | ASTM C 144: Standard Specification for Aggregate for Masonry Mortar. |
| B. | ASTM C 150: Standard Specification for Portland Cement. |
| C. | ASTM C 207: Standard Specification for Hydrated Lime for Masonry Purposes. |
| D. | ASTM C 270: Standard Specification for Mortar for Unit Masonry. |
| E. | ASTM C 404: Standard Specification for Aggregates for Masonry Grout. |
| F. | ASTM C 476: Standard Specification for Mortar and Grout for Reinforced Masonry. |
| G. | ASTM C 780: Standard Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry. |
| H. | ASTM C 1019: Standard Method of Sampling and Testing Grout. |
| 1.3 | SUBMITTALS |
| A. | Certification of Material: Submit manufacturer's mill test certificates covering materials shipped. Bags shall show the contents meet specifications herein. |
| B. | Design Mix: Indicate proportions of Portland cement, hydrated lime and sand to be used, required environmental conditions, and admixture limitations. |
| 1.4 | DELIVERY, STORAGE AND HANDLING |
| A. | Maintain packaged materials clean, dry and protected against dampness, freezing and foreign matter. |
| B. | Maintain materials and surrounding air temperature to minimum 50 deg. |
prior to, during and 48 hours after completion off masonry work.
| C. | Use mortar or grout within 2 hours after mixing at temperatures of 80 deg. F. or 2-1/2 hours at temperatures under 50 deg. F. | |
| D. | Use fine grout for filling concrete masonry unit cores and when pumping is required. | |
| E. | Use fine or coarse grout for bond beams or where grout does not have to pass through openings less than 2 inches. | |
| 1.5 | QUALITY ASSURANCE | |
| A. | Follow ASTM C 780 for testing mortar mix. | |
| B. | Follow ASTM C 1019 for testing grout mix. | |
| PART 2 | PRODUCTS | |
| 2.1 | MATERIALS | |
| A. | Cement: ASTM C 150, natural color, Type II (normal) or Type IIA (air entraining). | |
| B. | Hydrated Lime: ASTM C 207, Type S, no substitutes permitted. | |
| C. | Mortar Aggregate: ASTM C 144, standard masonry type except containing not more than 10 percent material passing through No. 100 sieve. Measure damp and loose throughout batches. | |
| D. | Water: Clean, non-staining and non-detrimental. | |
| E. | Grout Aggregate: ASTM C 404, fine aggregate - size 2, No. 4 through No. 100 sieves. Coarse aggregate - Size 8, 1/2 inch through No. 16 sieves. | |
| 2.2 | MORTAR MIXES | |
| A. | Refer to ASTM C 270. Vary volumes of materials in mix design only slightly to assist workability. | |
| 1. | Type S Mix (1,800 psi at 28 days): For reinforced masonry with high flexural bond strength. Use for all walls. | |
| 2. | Type M Mix (2,500 psi at 28 days): For structural masonry, frost resistance, below grade masonry and masonry in contact with earth. | |
| 3. | Mixing: Mix for a minimum of 3 minutes. | |
| B. | Admixtures: Not permitted. | |
| C. | Color: Natural gray. | |
| 2.3 | GROUT MIXES | |
| A. | Refer to ASTM C 476. Vary volumes of materials in mix design only slightly to assist workability. | |
| 1. | Reinforced masonry; 2,000 psi at 28 days. | |
| 2. | Do not use antifreeze additives. | |
| B. | Mixing: Mix for a minimum of 5 minutes. Mix grout to have a slump of 10 inches _1 inch at time of placement. | |
| C. | Admixtures: Not permitted. | |
| D. | Color: Natural gray. | |
| PART 3 | EXECUTION | Not Used |
END OF SECTION
MASONRY MORTAR AND GROUT Page 1
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