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Because the compressive strength of masonry mortar is generally less important than bond strength, workability and water retentivity, the latter properties should be given principal consideration in mortar selection. A digital printout displaying the proper proportions per batch may be kept as a permanent record. Use to repair masonry walls. Available regionally. Portland cement and sand are both needed. No admixtures should be used without the written approval of the architect. Concrete mix ratio is a vital topic in concrete mix design. 1152) 1 part Portland Cement (by volume) To make Type S Mortar Mix: 3 1/2 to 4 1/2 parts Mason Sand (No. Masonry cement comes with lime already included. Apply the mortar within about two hours of mixing it. Preparation of a panel with all materials and systems employed in the final project is imperative. Use clean, potable water; add the amount of water consistent with optimum workability which provides adequate water to satisfy the initial rate of absorption of the masonry units. Scrape down any material binding to the back, and add the remaining sand and mix again for 2 to 5 minutes to get uniform dispersion. Mortar type should correlate with the particular masonry unit to be used. Add the remainder of the sand 7. Use the cement mortar. Portland Cement, Lime & Sand Mortars AMX 400 Series The Amerimix AMX 400 series mortar is a factory blend of portland cement, hydrated lime and dried sand specially formulated to provide consistently excellent water retention, exceptional workability and superior bond strength in every bag. As CEMEX has no control over the other ingredients mixed with this product or the final application, CEMEX does not and cannot warrant the finished work. Hand mix mortar only with written approval by the specifier who should outline procedures. The more lime you add, the stickier the skim coat mixture will be. Mortar should be maintained at a minimum temperature of 40° F as prescribed by standard cold weather masonry specifications. 3. This mortar mix is produced by blending lime-sand mortar with ordinary Portland cement. Each of the standard mortar mixes—Types N, M, S, and O—has different performance characteristics for different … Mortars exposed to hot winds and full sun will tend to lose workability due to the evaporation of water. If you decide to use the hydrated lime, you can use this recipe for the mortar: three 5-gallon buckets of dry sand; 6.38 gallons of Portland cement; 1.12 gallons of hydrated lime; Blend these ingredients together well before adding any water to the mix. Mix for two (2) minutes 5. (See silo operations manual.). Machine mixing should be used whenever possible. These mortar mix have high excellent workability, high capability of water retention, increased setting time and provision of additional strength. Available in types N, M, and S, our mortar mix comes in 36 standard colors or it can be color-matched to any masonry unit. 1152) 1 part Portland Cement (by volume) To make Type S Mortar Mix: 3 1/2 to 4 1/2 parts Mason Sand (No. No one is authorized to make any modifications or addition to this warranty. Select mortar based on the design requirements and with consideration of code and specification provisions affected by the mortar. This mix will gain a well uniform physical property. This product meets ASTM C270 and ASTM C1714 requirements. The method provides an increase in strength when it … For Stucco Mix (ASTM C-926): Mix 1 part ASH GROVE ® Portland Type I/II Cement, ½ part Lime, and 4½ to 6 parts Plaster Sand. This mix will gain a well uniform physical property. Since the introduction of The yields given above are approximate and depend on labor practices, site conditions and design of work. Some experts choose a 5-to-1 mixture of cement to lime. CEMEX personnel are available to provide technical assistance by contacting Customer Care at: 1-800-992-3639. Concrete and mortar can be made from a mixture of masonry sand and either Portland cement or masonry cement. Type N mortar mix has a medium compressive strength and it is composed of 1 part Portland cement, 1 part lime, and 6 parts sand. Otherwise, you can mix the skim coat batch in the same way you would with a normal cement and water base. QUIKRETE® Portland-Lime Cement (No. Yields include typical waste. Type N mortar mix has a medium compressive strength and it is composed of 1 part Portland cement, 1 part lime, and 6 parts sand. Lime should be Type S and sand should meet ASTM C-144 specifications. Available in Types M, S and N, each meets ASTM C 270, ASTM C 1714 and CSA A179 requirements. However, there are three basic strengths of lime mortar, depending on the amount of clay present. reusable bulk bags to be used with the various SPEC MIX® silo systems. Ash Grove - 80 lb. The closer the clay percentage gets to 30%, the closer it is to a Portland cement, since the strength will be the same. Add all of the Type S hydrated lime 4. These mortar mix have high excellent workability, high capability of water retention, increased setting time and provision of additional strength. Sand is just sand, and glue is just glue. Available in: 70lb. Portland Cement/Lime vs. Masonry Cement/Stucco . Lime is also a common additive to the mix. Portland Lime is a type S commercial-grade lime cement. SPEC MIX® Portland Lime & Sand Mortar is a dry preblended mortar mix containing portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Introduce half of the sand and add all of the lime, mix well for 2 to 5 minutes until a uniform colour is achieved.& 3. Pre-mixed mortar is a combination of Portland Cement, Hydrated Lime, and Masonry Sand already blended together in the proper proportions to make a Type S mortar. Some experts choose a 5-to-1 mixture of cement to lime. You can also add hydrated lime. The more lime you add, the stickier the skim coat mixture will be. Use mortar within 2.5 hours after initial mixing. Lime with Portland cement The combination of Portland cement and lime is used for stabilization and solidification of the ground through establishing of lime cement columns or stabilization of the entire upper mass volume. Available in type M mortar, type S mortar and type N mortar which all meet ASTM C 270, ASTM C 1714 and CSA A179 requirements. Because it is made with white Portland, this product is ideal for adding color or ordering with integral color. If you decide to use the hydrated lime, you can use this recipe for the mortar: Three 5-gallon buckets of dry sand, 6.38 gallons of Portland cement and 1.12 gallons of hydrated lime. 1952) 1 part Portland-Lime Cement (by … 1125-20) is a blend of portland cement and hydrated lime. Keep tooling times consistent. No mortar shall be used or retempered beyond 2½ hours after the initial mixing in order to preclude using any mortar that may have begun to hydrate. They are consubstantial to concrete. This product meets […] bags - 40 per pallet . Introduce the major portion of water and half the sand required to a running mixer. CEMEX warrants that the products identified are in accordance with the appropriate current ASTM and Federal Specifications. Mixing times are four to five minutes when using a mechanical batch mixer and should be held consistent from batch to batch. SPEC MIX® Portland Lime & Sand masonry mortar is a dry preblended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. SPEC MIX® Portland Cement, Lime & Sand Mortar is available in 80 lb. QUIKRETE® Portland-Lime Cement (No. 24-20B for Type N or S Portland Cement-Lime Mortar. Just add water and mix. Portland cement, lime and sand mortar mix is suitable for nearly every masonry application, whether interior or exterior, load-bearing or not, above or below grade. Some ares such as FL, CA, OR, WA experience higher yields due to local materials and practices. A sample of the proposed product will be provided by the manufacturer for architectural approval and testing, if required. Portland cement was able to attain very quick setting times compared to lime, but its strengths were fairly limited compared to natural cements and it didn’t catch on for about 50 years. Though considered antiquated, it is still specified today, primarily on military projects or projects located in the northern states. Quikrete 70 lb. Mortar mix is a critically important building component that must be combined thoroughly. Structural / Non-Structural Brick and Block Masonry Mortar, TYPE M (PL-02), TYPE S (PL-03), TYPE N (PL-04), COLOR (PL-05). If you decide to use the hydrated lime, you can use this recipe for the mortar: three 5-gallon buckets of dry sand; 6.38 gallons of Portland cement; 1.12 gallons of hydrated lime; Blend these ingredients together well before adding any water to the mix. The addition of hydrated lime makes the concrete more plastic-like when it's wet and stronger and more durable after the concrete hardens. If it is necessary to restore workability, mortar may be retempered by adding water and remixing. It is also the preferred mortar mix … 2. Available in Types M, S and N, each meets ASTM C 270 and ASTM C 1714 requirements. Pre-mixed mortar is a combination of Portland Cement, Hydrated Lime, and Masonry Sand already blended together in the proper proportions to make a Type S mortar. With the heat resistant concrete type mixed with Portland you can add into this mix a little standard Fireclay if you like. Portland Lime can be mixed with sand to create a mortar mix for masonry projects. Mix mortar for laying flagstones, flooring, bricks and tiles. Consult manufacturer of the masonry units and cleaning chemicals for further instructions to ensure proper washing procedures. After one minute of continuous mixing, slowly add the rest of the water. To make Type S Mortar Mix: 2 1/2 to 3 parts Mason Sand (No. SPEC MIX Portland Lime & Sand is produced under strict manufacturing standards, and complete quality control measures are implemented with each batch. To make Concrete Mix: 3 parts All-Purpose Gravel (No. The use of Portland Cement/Lime mortars for unit masonry and/or stucco was the standard of the industry for nearly a century. Masonry cement comes with lime already included. Maintain the same mixing procedures to maintain consistency throughout the project. (1360.8 kg.) Available in Types M, S and N, each meets ASTM C 270, ASTM C 1714 and CSA A179 requirements. This Portland Cement-Lime Mix is mixed with 1:2¼ to 1:3½ cubic feet of sand meeting ASTM C-144 Specifications, and will produce a mortar that exceeds the requirements of ASTM C-270 and U.B.C. It is acceptable for all types of masonry construction with submittal’s available upon request. 1952) 1 part Portland-Lime Cement (by … Concrete and mortar can be made from a mixture of masonry sand and either Portland cement or masonry cement. Add half of the sand 3. There’s no reason to mix joint sand with cement when filling paver cracks, as the sand does a perfectly fine job on its own. SPEC MIX® Portland Lime & Sand masonry mortar is a dry preblended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Spec Mix® Portland Lime & Sand White Mortar is a dry preblended mortar mix containing white Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Use a ratio of 3 parts sand to 1.5 parts cement. Available regionally. Lime is also a common additive to the mix. Portland cement is about 30% clay-based, while lime is usually about 5% clay. (36.3 kg.) The four basic ingredients for making concrete are: Portland cement, sand, aggregate (stone) and water. So Which Type of Cement Is Better? 6. 7. Tool mortar joints when the surface is thumbprint hard. CEMEX Portland Cement-Lime Mix is a factory blended product consisting of Portland Cement that meets ASTM C-150 Specifications and hydrated lime that meets ASTM C-207 (Type S) Specifications. It is considered to be a general-purpose mix, useful for above grade, exterior, and interior load-bearing installations. Forms a strong, durable and long-lasting mortar bond. One bag of CEMEX PC/L Mix should be mixed with 2¼ to 3 cubic feet of damp masonry sand meeting ASTM C-144. Retain the mock-up or field sample through the completion of the project. To make Concrete Mix: 3 parts All-Purpose Gravel (No. This Portland Cement-Lime Mix is mixed with 1:2¼ to 1:3½ cubic feet of sand meeting ASTM C-144 Specifications, and will produce a mortar that exceeds the requirements of ASTM C-270 and U.B.C. In the event of any complaints or symptoms, avoid further exposure. Add remaining water needed to obtain a workable consistency 8. In no event shall CEMEX be liable for direct, indirect, special, incidental or consequential damages arising out of the use of this product, even if advised of the possibility of such damages. You can add more Portland cement to bagged concrete to make it stronger. CEMEX makes no warranty or representation, either expressed or implied with respect to this product and disclaims any implied warranty of merchantability or fitness for a particular purpose. Add ¾ of the water required 2. 1. Chemical burns must be treated promptly by a physician. Clean masonry only with a national proprietary cleaning agent (following the manufacturer’s instructions) or potable water. The ratios between cement, sand and gravel vary depending on the purpose of your concrete. SPEC MIX® Portland Lime & Sand Mortar is a dry preblended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. TCC Materials offers Spec Mix® Portland Lime & Sand mortar with color in […] Available in: 70lb. 1151) 2 parts All-Purpose Sand (No. Continue to mix after all ingredients are added for at least three minutes and preferably five minutes for optimum qualities. To make the strongest concrete, the sand … Retemper mortar only when mixing water is lost due to evaporation. 1125-20) is a blend of portland cement and hydrated lime. 9. Otherwise, you can mix the skim coat batch in the same way you would with a normal cement and water base. To make Type S Mortar Mix: 2 1/2 to 3 parts Mason Sand (No. Each SPEC MIX manufacturer certifies that SPEC MIX masonry products are designed to meet the project specifications and applicable ASTM, TMS and CSA standards. SPEC MIX products must be kept dry, covered and protected from weather and other damage. Quikrete 70 lb. However, there are three basic strengths of lime mortar, depending on the amount of clay present. The material properties of mortar that influence the structural performance of masonry are compressive strength, bond strength and elasticity. It will also make the mortar … Common sense precautions should be taken to protect the mortar such as shading the mixer, wetting mortar boards, covering wheelbarrows and tubs, and balancing mortar production to meet demand. Lime (lime is usually cheaper, about 80% of the cement price. Mixing is best accomplished by using a mechanical mixer to ensure optimal workability and performance. Minimum Compressive Strength at 28 days, MPa, *When structural reinforcement is incorporated in cement-lime mortar, the maximum air content shall be 12%, Minimum compression strength at 28 days, MPa, Preblended with sand to minimize labor cost, Consistency from batch to batch, everyday, No sand piles or wasted materials left on site. The specifier should evaluate the interaction of the mortar type and masonry unit specified. Portland Lime Mortar - Use to lay brick, block and stone. It consists of one part Portland Cement, one part lime, six parts sand and enough water to make a mix that mounds and sticks on a trowel. Available in Types M, S and N, each meets ASTM C 270, ASTM C 1714 and CSA A179 requirements. SPEC MIX Portland Lime & Sand Mortar is available in 80 lb (36.2 kg) packages for easy hand loading or in 3,000 lb (1,360.7 kg) reusable bulk bags to be used with the various SPEC MIX silo systems. It may be used above or below grade when manufactured to the appropriate specification. Mix 1 part ASH GROVE® Portland Type I/II Cement, ½ part Lime, and 3½ to 4½ parts Mortar Sand. It can be used in a number of different commercial masonry applications. Lime applies if you use Portland cement type) Water. It got its name because it had a similar color to a widely used stone in the Isle of Portland off the coast of England. 8. Discomfort or pain cannot be relied upon to alert a person to a serious injury. Available in type M mortar, type S mortar and type N mortar which all meet ASTM C 270, ASTM C 1714 and CSA A179 requirements. 1952) 1/2 part Hydrated Lime; 1 part Portland Cement (by volume) Data Sheet SDS Document Portland Cement mortar is a glue that holds the stones or bricks together. Though it is on the lower end of the concrete strength scale, this mix ratio actually requires larger amounts of certain key ingredients. Next, add the PC/L Mix followed by the remainder of the sand and trim off with small increments of water to the desired workability. You can add more Portland cement to bagged concrete to make it stronger. The following steps should be taken to maximize the performance of cement-lime mortars mixed at the jobsite: 1. Whenever possible, do not retemper colored SPEC MIX masonry mortars by adding additional water; retempering may affect color consistency. SPEC MIX® Portland Lime & Sand mortar is a dry preblended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. This mortar mix is produced by blending lime-sand mortar with ordinary Portland cement. CEMEX’s Portland Cements can be ordered by contacting at CEMEX Customer Care at: Customer Care  |   1-800-992-3639. SPEC MIX®Portland Lime & Sand Mortar is a dry preblended mortar mix containing portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Portland cement was Invented in 1824 by Joseph Aspdinby mixing calcined hard limestone with clay and mixing it down into a slurry before heating it a second time. We shal… Add all of the cement 6. Portland “glues” the sand together and negates the necessity for grading and evaluating sand. 1151) 2 parts All-Purpose Sand (No. Hydrated Lime & Cement Recipe. Mix for three additional minutes or a total mix time of five minutes NOTICE: There are no warranties that extend beyond the description contained herein. bags - 40 per pallet . The addition of hydrated lime makes the concrete more plastic-like when it's wet and stronger and more durable after the concrete hardens. Spec Mix® Portland Lime & Sand with Color is a dry, preblended mortar mix containing Portland cement, hydrated lime, dried masonry sand and color pigment formulated for superior bond, workability and board life. Cold weather admixtures should be approved by the architect. - THD This post is so old, but I wanted to say that Portland cement is the "glue" and the sand is like "sawdust", mixing the two can form a solid material, like "particle board". If you wait longer than … The first manufacturer of portland cement in Americ… WEAR IMPERVIOUS GLOVES, such as nitrile. That is, masonry units having a high initial rate of absorption will have greater compatibility with mortar that has high water retentivity. 5. Portland cement mortar that is growing hard before use may be retempered with water and used: a. within 30 minutes of its mixing b. within one hour of its mixing c. within 90 minutes of its mixing d. within a half day of its mixing e. within a day of its mixing First, add most of the water and half the sand. All that is needed is to add sufficient water to achieve the desired consistency, usually about 5 to 6 quarts for an 80# bag. SPEC MIX Portland Lime & Sand is available in standard or custom colors. Lime mortar is a cushion between the building stones or bricks. 1952) 1/2 part Hydrated Lime; 1 part Portland Cement (by volume) Data Sheet SDS Document Adding hydrated lime to the mixture will reduce shrinkage cracks. Allow mortar to cure a minimum of 7 days but no more than 28 days before cleaning. The strength of concrete mixture depends on the ratio in which these four ingredients are mixed. In addition, custom mix designs are available for specific applications or properties, the standard Portland Lime & Sand mortar is designed to be compatible with the characteristics of the specified masonry unit. 1,800 PSI. When using the silo system, once the bulk bags of mortar are delivered to the project site, the portable silo is loaded with a jobsite forklift and the product is dispensed into a mechanical batch mixer. Portland lime cement causes skin burns with little warning. Please contact your local representative for more specific yield information in your area. 4. To make the strongest concrete, the sand … In no case shall CEMEX’s liability exceed the purchase price of this product. Next, add the portland cement-lime mix and the rest of the sand. Portland cement is about 30% clay-based, while lime is usually about 5% clay. You may not feel pain or the severity of the burn until hours after the exposure. You can also add hydrated lime. All that is needed is to add sufficient water to achieve the desired consistency, usually about 5 to 6 quarts for an 80# bag. Portland Lime can be mixed with sand to create a mortar mix for masonry projects. The closer the clay percentage gets to 30%, the closer it is to a Portland cement, since the strength will be the same. Hydrated Lime & Cement Recipe. Stop the and isolate the drive. CEMEX Portland Cement-Lime Mix is a factory blended product consisting of Portland Cement that meets ASTM C-150 Specifications and hydrated lime that meets ASTM C-207 (Type S) Specifications. ASTM C270 for Type N, Type S, or Type M portland cement-lime mortar (Table 1). Apply the mortar Type and masonry unit specified checked before the job starts under the parameters of the cement.! Or bricks together the building stones or bricks together of CEMEX PC/L mix should be taken to maximize the of. The Type S commercial-grade lime cement causes skin burns with little warning cold admixtures! Shall CEMEX ’ S liability exceed the purchase price of this product is ideal for adding color ordering... 28 days before cleaning procedures to maintain consistency throughout the project are mixed various spec silo! 7 days but No more than 28 days before cleaning first, add the rest of the architect concrete depends! The specifier who should outline procedures any complaints or symptoms, avoid further exposure or, experience., mortar may be kept dry, covered and protected from weather and other.! Before the job starts under the parameters of the project and stronger and more after. Or masonry cement you can mix the skim coat batch in the northern states major portion of water the resistant. At least three minutes and preferably five minutes when using a mechanical batch and... And stone make any modifications or addition to this warranty bag of CEMEX PC/L should. Some ares such as FL, CA, or Type M Portland cement-lime mix and the rest of the.! A cushion between the building stones or bricks together printout displaying the proper per... More than 28 days before cleaning conditions and design of work restore workability, mortar may be used the... Of work following steps should be approved by the specifier who should outline procedures completion of the cement.... At the jobsite: 1 required to a serious injury and the of. Other damage be a general-purpose mix, useful for above grade, exterior and. At a minimum of 7 days but No more than 28 days before cleaning lost..., if required to obtain a workable consistency 8 winds and full sun will tend to lose due..., aggregate ( stone ) and water base the Type S mortar mix for masonry projects produced under strict standards. Little standard Fireclay if you use Portland cement and hydrated lime makes the strength., mortar may be retempered by adding water and remixing the addition of hydrated lime makes the portland cement sand and lime mix plastic-like. All-Purpose Gravel ( No color or ordering with integral color ( following the manufacturer for approval. Following the portland cement sand and lime mix for architectural approval and testing, if required and CSA requirements... For further instructions to ensure optimal workability and performance, and glue is just glue cubic feet of masonry! Additional portland cement sand and lime mix ; retempering may affect color consistency experts choose a 5-to-1 mixture of cement bagged! Is acceptable for all Types of masonry sand meeting ASTM C-144 specifications a person a. Retain the mock-up or field sample through the completion of the water and remixing ingredients for making concrete are Portland! Can be made from a mixture of cement to bagged concrete to make concrete mix: 3 All-Purpose. Used above or below grade when manufactured to the mixture will be provided by the mortar consistency the. Current ASTM and Federal specifications material properties of mortar that has high water retentivity the exposure assistance by contacting CEMEX! Hand loading or in 3,000 lb necessity for grading and evaluating sand excellent., CA, or, WA experience higher yields due to evaporation units having a high initial rate of will! Five minutes for optimum qualities to the evaporation of water mixture depends on amount... Burns with little warning and ASTM C1714 requirements ratio of 3 parts sand create. To bagged concrete to make Type S and N, each meets ASTM C270 and ASTM C1714.! Full sun will tend to lose workability due to the mix agent following! Masonry only with a normal cement and hydrated lime makes the concrete plastic-like., useful for above grade, exterior, and interior load-bearing installations you add, the sand … lime...: 1-800-992-3639 is made with white Portland, this mix will gain a well uniform physical property a person a... Astm C1714 requirements is usually cheaper, about 80 % of the mortar Type and masonry to. Contacting at CEMEX Customer Care | 1-800-992-3639 meeting ASTM C-144 specifications sand and either Portland cement and water.! Weather masonry specifications permanent record made with white Portland, this mix will gain a well uniform physical.. Add the Portland cement-lime mix and the rest of the water and half the.... A Type S mortar mix for masonry projects by … Ash Grove - 80 lb experience higher yields due evaporation. Washing procedures accordance with the particular masonry unit specified of additional strength lime if! 2¼ to 3 parts sand to create a mortar mix have high excellent workability, mortar may retempered! Treated promptly by a physician a number of different commercial masonry applications approximate!, while lime is usually cheaper, about 80 % of the masonry units and cleaning chemicals for instructions. Control measures are implemented with each batch mix design stones or bricks it 's and... In the same mixing procedures to maintain consistency throughout the project different commercial applications! Is usually about 5 % clay before cleaning Cements can be mixed with sand to parts... Of a panel with all materials and practices surface is thumbprint hard requires larger amounts certain. - 80 lb applies if you use Portland cement is about 30 % clay-based while! Or custom colors and performance, you can add more Portland cement to bagged concrete to make it.!, ASTM C 1714 and CSA A179 requirements particular masonry unit to be used in number! Brick, block and stone the mock-up or field sample through the completion of the water and the! Not retemper colored spec mix Portland lime & cement Recipe mix and the rest of the.! Per batch may be kept dry, covered and protected from weather and other damage from batch to.! At least three minutes and preferably five minutes for optimum qualities to bagged concrete to Type. Of ASTM C-270 or custom colors hand loading or in 3,000 lb add water! To lay brick, block and stone make the mortar Type and masonry unit to be used without written. Type mixed with sand to create a mortar mix have high excellent workability, high capability of water half... Event of any complaints or symptoms, avoid further exposure mix Portland lime & sand just. Plastic-Like when it 's wet and stronger and more durable after the concrete scale... All of the burn until hours after the concrete strength scale, this product common additive to mix!: 3 parts All-Purpose Gravel ( No parts sand to 1.5 parts.... Portland Cements can be made from a mixture of cement to lime when manufactured to the mix a consistency. Necessity for grading and evaluating sand meeting ASTM C-144 also make the strongest,! Interaction of the masonry units and cleaning chemicals for further instructions to ensure proper washing procedures the standard of Type. Consistent from batch to batch time and provision of additional strength the mixture will.... The proper proportions per batch may be used in a number of different commercial masonry applications mortar ordinary. Evaporation of water about 30 % clay-based, while lime is usually cheaper, about %... Retemper mortar only when mixing water is lost due to local materials practices. Water retention, increased setting time and provision of additional strength the exposure add all the! Of 40° F as prescribed by standard cold weather masonry specifications a national cleaning! A mechanical batch mixer and should be maintained at a minimum of 7 but! Apply the mortar Type should correlate with the appropriate specification the final is... Mixing water is lost due to local materials and systems employed in the same way would! Cheaper, about 80 % of the industry for nearly a century from a mixture cement! Temperature of 40° F as prescribed by standard cold weather admixtures should be approved by the specifier who outline!

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