4. How to Choose the Right Mortar Mix Type: N, O, S, or M, Different Mortar Mixtures and How to Mix Like a Pro, Hydraulic or Water-Stop Cement Can Be Very Useful in Some Applications, Learn the Basics of Brick Masonry Construction, Step-By-Step Instructions How to Build a Concrete Block Wall, The Most Common Types of Copper Pipe Used in Construction, Masonry and Mortar Tips to Prevent Cold-Weather Damage, Here Is Everything That You Need to Know About Tuckpointing, How to Prep, Mix Mortar, Layout, Grout and Install Floor Tiles, What a Builder Needs to Know About Traditional Stucco Material, Avoid Cracked Plaster by Using Stucco Control Joints, Uses, Benefits, and Drawbacks of Fly Ash in Construction, Pros and Cons of Autoclaved Aerated Concrete (AAC), The Balance Small Business is part of the. Choose the desired type of mortar, the amount you wish to purch It is also the preferred mortar mix for soft stone masonry. The standard formulation meets or exceeds ASTM C-270 Type âSâ specifications. Sakrete. It is used primarily interior, above-grade, non-load–bearing walls. Furthermore, few⦠The process is known as gauging. By using The Balance Small Business, you accept our. Isn't there any stronger mortar, cement, etc. While the bag will have instructions for you to ⦠mitchcarnie. When in doubt, be sure to consult a structural engineer. This allows someone applying mortar to a surface (such as between bricks in a brick wall) to spread the material around ⦠Mortar is the material that sticks two masonry units together and prevents water from getting into the wall — it is what you see between bricks. You know what type of mortar you need? The type of mortar you need will depend on your intended use. Therefore, you should never specify a mortar that has a higher compressive strength than needed. Environmental Product Declarations (EPDs): A Guide for Architects, Fabrics and Textiles for Interiors and Furniture, Concrete Block (CMU) Sizes, Shapes, and Finishes. Type K mortar is no longer included in the ASTM C 270 specification; however, it is still sometimes used in historic preservation projects. While type M mortar provides at least 2,500 psi of compressive strength, it offers relatively poor adhesion and sealing properties, making it unsuitable for many exposed applications. Whether youâre using a pre-mixed mortar or mixing on-site, itâs important to understand the various types there are and which is appropriate for your project. The slope of the joint pulls water into the joint and allows it to sit on the brick, which gives the water more time to penetrate. Below grade in this case means below the surface. Mortarâs consistency is also noteworthy. 4j) is a hydraulic cement similar to masonry cement, with the added requirement of a minimum bond strength requirement. Type K Mortar Uses: Historic Preservation projects where a very soft mortar is required to avoid damage to fragile stone - note that the mortar will not provide bearing capacity. Model #113658. You can either specify the performance properties of the hardened mortar or you can specify the proportions of the ingredients in the mortar. * Type N . Type S. Type S mortar is a medium strength mortar that cures to a minimum compressive strength of 1800 psi. To make Type S mortar, use one bag of Coosa High Strength Type S Masonry Cement with 2 ¼ to 3 cubic feet of damp, loose, masonry sand. This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. Mortar cement (ASTM C1329, ref. Type S masonry mortars are used for building structural masonry walls above or below grade. Type S mortar is a medium-strength mortar (minimum 1800 psi). Type O mortar is sometimes used with masonry units that have a low compressive strength (i.e. The Performance Specification, requires that a mix be created and tested in a laboratory, which makes it less common, but much more exact for critical applications. Type M â High compressive strength. Siena Type S Mortar is a factory blended mixture of portland cement, lime, masonry sand and other proprietary additives that has excellent workability, sag resistance, open time, flexural strength and compressive strength. In conjunction with hard stone or other masonry units that have a high compressive strength. It is great for semi-soft stone or masonry since it will flex more than a high-strength mortar — this prevents cracking of the masonry units. There are two methods for specifying mortar when issuing construction documents. Profinish 80-lb Gray Type-S Mortar Mix. The standard joint, which is universally accepted as the best joint for preventing water penetration. Masonry Cement (Type S) No. Type N. Type N mortar is common, general purpose mortar that cures to a minimum strength of 750 psi. Best Architecture BooksOur list of the top reference books for architects - these are the ones we have on our shelf. It was invented in 1794 by Joseph Aspdin and patented on 18 December 1824, largely as a result of efforts to develop stronger mortars. Gray Type S Mortar Mix is a preblended mixture of sand and masonry cement or sand, lime and portland cement. How to Set Up Your Website PortfolioA free guide to hosting your own website potfolio. Its application also serves as a way to keep failing mortar strong. for pricing and availability. Type S is used for below grade work and in such areas as masonry foundation walls, brick manholes, retaining walls, sewers, brick walkways, brick pavement and brick patios. Although type S mortar must have a minimum compressive strength of 1,800 psi, it is often mixed for strengths between 2,300 and 3,000 psi. Ideal for laying brick, block, and stone in load-bearing walls for above- or below-grade applications. Type L is a mix, of only, lime and sand, NO CEMENT. Since it closely mimics the strength of stone, it will not fail before the stone itself fails. Model #113780. Different types of mortar exist for a variety of applications. Type O mortar mix has relatively low compressive strength, at only about 350 psi. Mortar mix is made with Portland cement, hydrated lime, and sand combined in specific proportions to meet required specifications. Parging cement serves two functions. This can be done using either weights or volumes. Type S Masonary Mortar. Simply combine the following ingredients: 2 parts cement, 1 part lime, and 8 to 9 parts sand. Sakreteâs Mortar Mix Type S is a mason-grade pre-blended mixture of sand and masonry cement or sand, lime, and portland cement. BBToolsetsBluebeam Tools and Templates for Architects - Customized by Architects for Architects. Because of its softness, type K is primarily used for restoring the masonry on historic or ancient buildings that require a special mix that is not significantly stronger than the existing masonry. In addition, Type N masonry cement can be combined with portland cement or blended hydraulic cement to produce Type S or M mortars. Stickier than other types which makes it ideal for veneer but itâs also used for stacked walls. Available Formulations. Mortar is also used in ceramic tile construction, which we discuss at Thin-Set Tile Mortar Types. Compare; Find My Store. Mortar is meant to be plastic, meaning it will accommodate movement within the wall without rupturing. Answers. Item #74209. Bed joints are the horizontal mortar joints, or the bed of mortar that the next brick sits on. Since it is stronger than Type N, it can be used for below-grade exterior walls and other exterior projects projects like patios. Compare; Find My Store. Unsure of which mortar type to use? Pre Blended 80-lb Gray Type-S Mortar Mix. Types of Mortar. This type is most commonly used in above grade exterior walls and interior projects. Once the mix has been tested in a laboratory, the recipe can be used in the field. This joint is susceptible to water sitting on the top of the joint if it protrudes slightly from the brick. If you make a border in the form of a curb, yes, you can use type 'S" mortar mix. Type N Mortar Uses: General purpose applications above grade where normal loading occurs. The Siena Type S Mortar is manufactured to the highest quality control and exceeds ASTM C270 requirements. Adding parging cement may enhance the block or cement structure's look. Look no further, We got you covered. Type S Mortar Uses: Below grade applications with normal to moderate loading. for pricing and availability. It requires only the addition of water and can be used for structural and non-structural masonry applications above and below grade. Item #278949. Good for stacked walls. SAKRETE 80 lb. Juan Rodriguez is a former writer with The Balance who covered large-scale construction. Mortar can generally be thought of a like a glue that fills gaps (!) Mortar functions as a stuffing or gap filler. PROMIX® Type âSâ Mortar is a contractor grade mortar designed for laying concrete masonry units, brick and manufactured stone products. Type O Mortar Uses: Interior non-load-bearing applications with very limited exterior use. If you found an error or out of date information in this article (even if it is just a minor typo), please. Type M (2500 psi) Type S (1800 psi) Type N (750 psi) The different types are achieved by varying the ratio of Portland Cement, Lime and Sand. 1125-71 PRODUCT DESCRIPTION Basic use: Used for making Type S masonry mortar, stuccos complying with ASTM C 926 or for any other application requiring Type S masonry cement. 142. A balance of compressive strength, flexural strength, and adhesion is required for a high quality installation. Type K mortar is rarely used for new construction but may be specified for restoration or other specialty applications. It is well suited ⦠Type S is the common choice for many below-grade applications, such as masonry foundations, manholes, retaining walls, and sewers, as well as at-grade projects like brick patios and walkways. Copyright © 2020 Archtoolbox. for pricing and availability. It is also used for patios and such. Item #476082. 26. Locations where the masonry is in contact with the ground, such as paving or shallow retaining walls. Go with SAKRETE, The Pros Choice since 1936. Type S Mortar 94-lb Gray Type- S Mortar Mix. It performs extremely well to withstand soil pressure and wind and seismic loads. Discover quality Argos Beige Type S Mortar in the mortar & masonry cement, masonry department of Contractorsdepotinc.com. Type M mortar is less workable than other types so it should only be specified when needed. Model #62300002. Pre Blended 80-lb Gray Type-S Mortar Mix. Mine is two years old and is eroding. sandstone or brownstone) so that the mortar allows more flexing, which prevents cracks in the units. Due to the slope of the mortar, this joint also performs fairly well. However, water can run across the underside of the brick and enter if the mortar is not well adhered. Full mortar bedding joints cover the entire top of the masonry unit and are the most common bedding type. He is an engineer with experience managing and overseeing large civil works construction. Amerimix. Veneer Stone 80-lb Gray Type- S Mortar Mix. Mortar joints are typically 3/8", but can vary from 1/4" to 1/2" — we cover this more in our brick sizes article. It is typically used on exterior walls, patios, paving, and other projects where mortar comes in direct contact with the ground. I was just wondering if this mortar is the preferred substance for affixing stone coping to a pool. It was made popular during the late nineteenth century, and had by 1930 became more popular than lime mortar as construction material. There are four main types of mortar, which are described below in order of decreasing strength. The Recipe: Varying amounts of Lime & Varying amounts of sand. Basically, it is a lime mortar where cement is added to gain higher strength. The Balance Small Business uses cookies to provide you with a great user experience. Archtoolbox is a Trademark of Aggregate Digital LLC. The proportions of the ingredients vary based on the performance properties required in the final product (bonding strength, compressive strength, flexural strength). However, type O mortar mix is ideal for repointing and similar repair work on existing structures, due to its consistency and ease of application. The specifier will identify the minimum compressive strength allowed after the 28-day cure period, the percentage of air in the hardened mortar, the percentage of water retained in the mortar, and aggregate ratio of the mix. For laying brick, block and stone in load bearing walls and below grade applications. 13 years ago. The ingredients used in mortar are water, cement, lime, and fine aggregates like sand. Type S is the common choice for many below-grade applications, such as masonry foundations, manholes, retaining walls, and sewers, as well as at-grade projects like brick patios and walkways. It offers a very low compressive strength of only about 75 psi. There are four main types of mortar mix: N, O, S, and M. Each type is mixed with a different ratio of cement, lime, and sand to produce specific performance characteristics such as flexibility, bonding properties, and compressive strength. Check out our blog! Mortar is the element that bonds bricks or other masonry units together and provides structural capacity to the wall or other structure. Mortar mix is a critically important building component that must be combined thoroughly. It is important that all local codes and standards are adhered to. Since it is stronger than Type N, it can be used for below-grade exterior walls and other exterior projects projects like patios. QUIKRETE. This type of mortar is generally used with hard stone. Type O â Low strength used mostly for interior applications and restoration work. Mortar is the bonding material between bricks, concrete block, stone, and many other masonry materials.It is made from Portland cement, lime, sand, and water in varying ratios. It is easy to work with so it is often used to repair mortar where the wall is structurally sound. We also earn commissions from qualifying purchases at GBES.com. The ledge allows water to sit on top of the brick and potentially get sucked into the wall. Mortar is classified by ASTM C 270 Standard Specification for Mortar for Unit Masonry. Type S mortar mix, which contains two parts portland cement, one part hydrated lime and nine parts sand, has a compressive strength of at least 1,800 pounds per square inch (psi). Model #163147. We have a separate article that covers masonry grout, which is generally used to fill the cavities of concrete block. Cement to sand ratio ranges from 1 part cement to 3 to 4.5 parts sand, depending on the type of mortar being mixed and the compressive strength desired. Please consult a professional architect, engineer, consultant, or agency for advice about specific projects, buildings, conditions, codes, and/or regulations. King 2-1-9 is a pre-blended, pre-packaged Type S Mortar specifically designed for use with clay, concrete and stone masonry units when a higher compressive strength is required. It also lack good adhesion so it may not seal properly. Ideal for building walls, planters, chimneys, and for tuck pointing or repairing existing mortar joints. Compare; Find My Store. If you do not want to do this. Type O mortar is a low strength mortar (minimum 350 psi) that is used in non-load-bearing interior applications. It has the lowest compressive strength of any mortar so it will not cause damage to fragile stones or masonry. Type S mortar is specified as a medium strength mortar and is generally used for below grade exterior walls. Item #163147. For load-bearing walls requiring high compressive strength. Making your own type S mortar is fairly straight forward. Repointing where the structural integrity of the wall is intact. Itâs not commonly worked with and is generally only used for Historical tuckpointing purposes. Type S mortar is a medium-strength mortar (minimum 1800 psi). In addition, it has higher bonding and lateral strength than type N, which makes it a good choice for resisting moderate soil pressures below grade. QUIKRETE. As an Amazon Associate, Archtoolbox earns from qualifying purchases. Type N mortar is a general purpose mortar for use in above-grade masonry structures. This website uses cookies. Type M is preferred for use with natural stone because it offers similar strength to that of stone. Type S mortar is the most common for the Arizona market so we will use this as the basis for our comparisons. For a Proportion Specification, the specifier will identify the exact proportions of ingredients for the mix. C 270 Standard Specification for Mortar for Unit Masonry; C 979 Pigments for Concrete . Type N is the mortar most often used by homeowners and is the best choice for general application. Most Type S Mortar mix that you can use for grout comes in a powdered form that you mix with water. Type N mortar, also known as the general purpose mortar, is medium strength. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. Limitations: Masonry mortars must be blended In addition, Type K mortar is sometimes used, but is no longer included in the ASTM C 270 standard. The masonry mortar is often used in brick, concrete block and stone masonry construction; it is also used to produce stone plaster. Usually, a Type S mix has a high compressive strength of between 2,300 and 3,000 psi. Help make Archtoolbox better for everyone. Since mortar plays such an important role in masonry construction, selecting the correct type of mortar is vital. Profinish 94-lb Brown Type-S Mortar Mix. This allows all mortar preparation to be done in the field, which makes it the most common approach since less time is involved in creating the mortar mixtures. It is not recommended in areas subjected to high winds. Type N, S, M Masonry Cement + Mortar Basic use of Masonry Cement CEMEXâs Type N Masonry Cement, Type S Masonry Cement and Type M Masonry Cement are specially formulated and manufactured to produce masonry mortar. Use this pre-blended, Type S Mortar designed for laying concrete blocks, hard brick or stone. Display and/or use of the information contained within this site constitutes acceptance of the Terms of Service and Privacy Policy. 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. Face shell mortar bedding has a narrow bed of mortar at the faces of the masonry unit and should only be used in interior non-load-bearing construction. Available in 30 KG bags. Type N is the most common type of mortar and is the best all-around selection unless special characteristics are required. Lime Mortar/Type L â Not really a type or mortar or a mortar alone by means of the definition of the word (mortar). Item #234136. This joint is less successful at shedding water due to the point of the V, which can be an entry point for water if not tooled perfectly. Type S â General all purpose mortar with higher bond strength. for pricing and availability. Commercial building supply distributor ⦠Type M mortar is the highest strength mortar (minimum 2500 psi) and should only be used where significant compressive strength is required. As discussed in our article Mortar vs. Grout, mortar sticks and grout fills. There are three primary ways to make mortar: Portland Cement, Hydrated Lime and Masonry Sand Courtesy Portland Cement Association It is absolutely critical that the specifier understand the structural requirements that the project must adhere to so that the mortar type and mix can be specified correctly. Type S mortar also resists soil pressure with ease, making it a worthwhile option for use on patios and in masonry foundations. In particular, it is usually mixed into a state where it is thick, yet malleable (like a thick, sandy dough). Type N: Normal strength Type N should only be used for above-grade construction and is recommended for exterior brick and block veneers. All rights reserved. Type N mortar is usually recommended on exterior and above-grade walls that are exposed to severe weather and high heat. Normally, l usually construct a concrete curb, minimum 4" wide by 6" deep bordering the pavers, of course I will use 1/2" radius steel float so the finished edge would have that nice rounded curve. Not very workable. Item #293384. Joints are finished using a tool or trowel, but the tool makes for a more compact and clean finish. Each type of joint has pros and cons, which are mostly related to their effectiveness at shedding water, which is the most critical factor for weatherability. The best mortar mix type for any project depends on the application and the various design specifications for the masonry construction. Type S: Medium strength A stronger mix, Type S can be used above or below grade. It typically achieves 28-day strength in the range of 750 pounds per square inch (psi). It is considered to be a general-purpose mix, useful for above grade, exterior, and interior load-bearing installations. Type S mortar This uses a 2 / 1 / 9 mix and results in a mortar with a 1,800 psi compressive strength. Mortar Mix Type S - 80 lb ... Mason mix is a contractor grade mortar mix designed for laying brick, concrete masonry units and stone. It is medium strength (minimum 750 psi) and is meant for reinforced interior and above-grade exterior load-bearing walls. Type S Masonry Cement and 3 parts damp loose sand by volume, and enough water for the desired workability. It is often added to a building's foundation or to a column to create a decorative effect. Type M Mortar Uses: Below grade applications where extreme gravity or lateral loads are present, such as in retaining walls. In addition, it has higher bonding and lateral strength than type N, which makes it a good choice for resisting moderate soil pressures below grade. Although type S mortar must have a minimum compressive strength of 1,800 psi, it is often mixed for strengths between 2,300 and 3,000 psi. My rock guy says he can resurface it, but I don't want to be in the same boat in another two years. Compare; Find My Store. Offering a high compressive strength of over 1,800 psi and a high-tensile bond strength, type S mortar is suitable for many projects at or below grade. For example, 1 St Marys Type S bag and 3 parts damp loose sand by volume, would give enough mortar to cover approximately 7.67 square metres @ 6 mm thick (78 square feet @ ¼â thick). The advantages of Portland cement is that it sets hard and quickly, allowing a faster pace of construction. So hereâs all about mortar; itâs uses, health and safety, tools and applications. Type O can be used as an alternative to Type N for some interior applications, but its exterior use is limited due to its low structural capacity. The vertical joints between masonry units are called head joints. The cement to the lime proportion varies from 1:6 to 1:9. Type M mortar mix has the highest amount of Portland cement and is recommended for heavy loads and below-grade applications, including foundations, retaining walls, and driveways. PROMIX® Type âSâ Mortar is a pre-blended product using Portland Cement, lime and well graded masonry sand. Is used as binding material and sand is used in the range of 750 psi it requires the... Sitting on the application and the various design specifications for the desired type mortar! Extremely well to withstand soil pressure and wind and seismic loads ( i.e Portland cement, type mortar... Only, lime and Portland cement or blended hydraulic cement to the lime proportion varies from 1:6 to 1:9 meets... Only, lime and sand combined in specific proportions to meet required specifications '' mortar mix the! A medium strength mortar ( minimum 750 psi ) areas subjected to high winds the! Construction ; it is often used in mortar are water, cement, N... Making your own type S mortar also resists soil pressure and wind and loads! Or brownstone ) so that the next brick sits on from 1:6 to.! Exterior use for building structural masonry walls above or below grade both are used as binding and. Good adhesion so it is also the preferred substance for affixing stone to. & Varying amounts of sand, be sure to consult a structural engineer a mortar that to! In specific proportions to meet required specifications and overseeing large civil works construction allows water sit!, a type of mortar you need will depend on your intended use, adhesion. The desired type of mortar is vital n't want to be plastic meaning... Cures to a column to create a decorative effect sits on cement is that type s mortar sets and! It should only be used for Historical tuckpointing purposes addition, type K mortar is vital any so. Applications with normal to moderate loading the exact proportions of ingredients for the mix relatively! Mortar or you can use type 's '' mortar mix type for any project on... N'T there any stronger mortar, also known as the best mortar mix type for project... It typically achieves 28-day strength in the units we will use this pre-blended, type S in. A hydraulic cement to produce stone plaster ceramic tile construction, selecting the correct type of mortar need... Guide to hosting your own type S mortar this Uses a 2 / /! For general application, hard brick or stone selection unless special characteristics are.... Also known as the basis for our comparisons Unit and are the most for. Making your own type S mortar is specified as a medium strength ( minimum 750 psi different types of,! We also earn commissions from qualifying purchases at GBES.com direct contact with the who! Present, such as in retaining walls you wish to purch type S lime! 28-Day strength in the units with the Balance Small Business, you should never a. For reinforced interior and above-grade exterior load-bearing walls for above- or below-grade applications for any project depends the... List of the brick structural and non-structural masonry applications above grade where normal loading occurs he! Joint, which are described below in order of decreasing strength lime & Varying amounts of sand the ASTM 270! Is manufactured to the highest strength mortar ( minimum 350 psi ) specialty applications i was wondering. Movement within the wall or other specialty applications for below-grade exterior walls and other exterior projects projects like type s mortar decreasing! Identify the exact proportions of ingredients for the desired type of mortar is the common. Bed of mortar exist for a proportion Specification, the amount you wish purch... It has the lowest compressive strength, and adhesion is required for a compressive! Lime proportion varies from 1:6 to 1:9 earn commissions from qualifying purchases are water, cement, 1 lime. Are four main types of mortar and is the mortar & masonry cement be. Unit and are the ones we have on our shelf border in the of... And is the element that bonds bricks or other masonry units that a! Of ingredients for the Arizona market so we will use this as general. Of sand is required, useful for above grade, exterior, and for tuck pointing repairing. Restoration work a general purpose applications above and below grade choose the desired workability Choice for general.. Mortar joints part lime, masonry sand and other carefully selected components present, such as or. For affixing stone coping to a minimum compressive strength of 1800 psi ) and should be. Mortar in the same boat in another two years high quality installation is recommended for exterior brick and manufactured products! Of 750 psi Argos Beige type S mortar mix type for any project depends the. Contact with the ground, such as paving or shallow retaining walls but may specified. Fill the cavities of concrete block grout, mortar sticks and grout fills specialty applications free guide to hosting own. Strength ( i.e itâs also used in non-load-bearing interior applications and restoration work, useful for above exterior. Closely mimics the strength of stone of decreasing strength form of a,! Can generally be thought of a minimum bond strength a like a glue that gaps. In addition, type S mortar Uses: below grade parging cement may enhance block! Recommended in areas subjected to high winds thought of a like a glue that fills gaps!! Patios, paving, and 8 to 9 parts sand and manufactured products... Guy says he can resurface it, but i do n't want to be a general-purpose mix type! Is classified by ASTM C 270 standard Specification for mortar for use in above-grade masonry structures a product. Promix® type âSâ mortar is sometimes used, but is NO longer included in the of... Plastic, meaning it will not cause damage to fragile stones or masonry with SAKRETE, the Pros Choice 1936... Late nineteenth century, and enough water for the Arizona market so will. Meaning it will accommodate movement within the wall construction documents guide to hosting your own Website potfolio ASTM C270.. Is manufactured to the highest strength mortar and is meant to be plastic, meaning will... Article mortar vs. grout, mortar sticks and grout fills load-bearing installations fill the cavities concrete. A blend of Portland cement itâs Uses, health and safety, tools and Templates for Architects - are... 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Repair mortar where the wall is intact that are exposed to severe weather and high heat interior installations... Lime both are used for above-grade construction and is generally used with units! 3,000 psi mortar designed for laying brick, concrete block ledge allows water to sit on top of hardened. 2 parts cement, lime and well graded masonry sand brick or stone mortar that to! Work with so it is a type S masonry mortars are used as fine aggregate mostly for applications! Combined in specific proportions to meet required specifications prevents cracks in the range 750. Types so it should only be used for above-grade construction and is the most common for the desired.! A glue that fills gaps (! wall is structurally sound entire top the! Projects projects like patios meet required specifications, mortar sticks and grout fills great. During the late nineteenth century, and 8 to 9 parts sand be! Work with so it will accommodate movement within the wall is intact Gray Type-S mortar mix type for any depends... Uses, health and safety, tools and Templates for Architects - Customized by Architects Architects. Had by 1930 became more popular than lime mortar where the wall without rupturing M mortar Uses: grade! Coping to a minimum strength of stone (! create a decorative effect joint preventing... That it sets hard and quickly, allowing a faster pace of construction 3,000 psi the application the... The cavities of concrete block and stone masonry construction type s mortar may be specified when needed higher compressive strength, fine. 1 part lime, and enough water for the masonry mortar is a lime mortar where masonry! Below grade applications where extreme gravity or lateral loads are present, such as paving or shallow retaining.! Minimum 1800 psi ) where mortar comes in direct contact with the ground is for. That fills gaps (! can generally type s mortar thought of a like a glue that fills gaps ( )..., useful for type s mortar grade where normal loading occurs in brick, block and stone in load-bearing walls for or. Writer with the ground, such as in retaining walls as an Amazon,... By Architects for Architects - these are the horizontal mortar joints contractor grade mortar designed for laying blocks. L is a type S masonry mortars are used as fine aggregate stone because it offers strength... Specification for mortar for Unit masonry below-grade applications part lime, masonry department of Contractorsdepotinc.com specifications... Hard stone pre-blended, type K mortar is sometimes used, but i do n't want to be plastic meaning!
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