It is easy to work with so it is often used to repair mortar where the wall is structurally sound. It is mostly used in interiors which has a low load-bearing capacity. Type O mortar, or high-lime mortar, a softer mortar with a low compressive strength of 350 psi, is best suited to repointing for several reasons. Type O – Requires a 350 psi/full cure Type K – Requires a 75 psi/full cure Note: Type M, S and N are the most commonly used mortar types. Generally, this type of mortar is not used in exterior constructions and places where there are high wind pressures. Contractor Selection 10. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. It is not a good choice for places with high winds. Summary and References 13. Not often used outdoors, Type O’s uses are limited to non load bearing walls and is generally an interior only used mix. Item #962634. Hand mix mortar only with written approval by the specifier who should outline procedures. 0000010455 00000 n Compare; Find My Store . There are really TWO main types of mortar, which are CEMENT mortar (Sand and cement) and GAUGED mortar, which is often Sand, cement and lime, (although lime is sometimes substituted). Harder mortar can cause cracking or spalling of the brick units, which is a far greater problem than mortar deterioration. The first reason is that type O mortar is softer than the older bricks, and it allows the bricks to expand or contract from temperature changes or stress. 0000030768 00000 n Budgeting and Scheduling 9. Components of Mortar 7. Reading List 14. Type O mortar is commonly used for interior applications that are non-load-bearing. 0000003631 00000 n Mixing mortar is a lot like baking. 0000020194 00000 n With the lots or lime, The recipe is : 1 part Portland, 2 parts lime and 9 parts sand. This unique formula conforms to ASTM requirements and the standards of the masonry and historic restoration industries. 0000014862 00000 n Type O mortar mix has relatively low compressive strength, at only about 350 psi. 25 lb. Type O mortar is made using one part Portland cement, two parts hydrated lime, and nine parts sand. Type O isn't sold anywhere that I can find. 5. … Overview. Let the Carolinas' Concrete Cowboy give you a quick round up of the types and strengths of Masonry Cements and Mortar Mixes. Type O mortar mix is low-strength (350 psi) mortar used in non-load-bearing interior projects. It is mostly used in interiors which has a low load-bearing capacity. TCC Materials offers Spec Mix ® Portland Lime & Sand mortar in Type N (BOM #101212), Type S (BOM #101013), Type M (BOM #101320), and Type O (BOM #107500). It is a low strength mortar with minimum 2.5 MPa (350 psi). 0000004612 00000 n Its application is more relevant for interior and low structural applications. TYPE O MORTAR - DIVISION 04 MASONCARE 300 MasonCare 300 is a pre-blended, pre-packaged Type O mortar specifically designed for use in repointing and non-load-bearing wall applications. The lime to the sand proportion of cement mortar is kept 1:2. Water-vapor transmission results indicate that all NHL mortars process water vapor at much higher rates than dolomitic and both Type-O mortars, with values comparable to High-calcium lime mortars. A mortar type of known higher strength shall not be indiscrimi-nately substituted where a mortar type of anticipated lower strength is specified. for pricing and availability. Cement mortar is a type of mortar where cement is used as binding material and sand is used as fine aggregate. Download the PDF Masonry—brick, stone, terra-cotta, and concrete bloc… Type S Mason Mix Quikrete 80 lb. Type O mortar, or high-lime mortar, a softer mortar with a low compressive strength of 350 psi, is best suited to repointing for several reasons. The pyramids at Giza are plastered with lime mortar. Available Mortar Types. Components of Mortar 7. Type O — At 350 PSI, this is the lowest strength mortar available in pre-mix. But I like the convenience of type … This test seems to make a Portland-Lime mortar of Types O and K seem fine. Generally, this type of mortar is not used in exterior constructions and places where there are high wind pressures. 0000005639 00000 n Type M; Type S; Type N; Type O; Type K; Readily Available Mortar Colors. Mud mortar is useful where lime or cement is not available. But I like the convenience of type-N pre-mixed (just add water). 5.1 Unless otherwise stated, a cement/lime mortar, a mortar cement mortar, or a masonry cement mortar is permitted. Type O is the next most common mortar type that sees use almost exclusively indoors. 0000007227 00000 n Reply. It’s great for repointing brick and similar repair work on existing walls because of its consistency and how easy it is to work with. Heritage Hydraulic Lime Mortar NHL 3.5. Type O isn't sold anywhere that I can find. MasonCare 300 conforms to ASTM C270 for Type O Mortar with the addition of water. To get 1 cuyd of O mortar, you need 27 cubic feet of the components in a 1 to 2 to 9 proportion. Glass block mortar is a specific mortar used when installing glass blocks. Price: $15.00 MORE INFO . Apply Flexi-BrickTM mortar/adhesive. 5.2 Proportion Specifications—Mortar conforming to the There are two types of limes namely fat … Contractor Selection 10. 11-lb Brown Type-O Mortar Mix. WORKRITE® Tuckpoint colored mortar is a Type O, lime-based cement designed with minimal percentage of Portland Cement to create a mortar for use in restoration and tuck-pointing applications. To get 1 cuyd of O mortar, you need 27 cubic feet of the components in a 1 to 2 to 9 proportion. Type O Mortar Mix . Re: Type O Mortar Source. Surki mortar is economic. MasonCare 300 is a pre-blended, pre-packaged, Type O Mortar specifically designed for use in repointing and non-load-bearing wall applications. All the big box stores carry is type-n mortar mix (twice the compressive stength) which will probably damage my soft, 100 year old, brick. This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. Type N or S mortar should be used in other cases. White; Tan; Deep Tan; Dark Buff; Light Brown; Golden Brown; Deep Brown; Dark Brown; Pink; Maroon; Green Orange; Light Chocolate; Dark Chocolate; Not on the list? 0000029728 00000 n Type O mortar mix is low-strength (350 psi) mortar used in non-load-bearing interior projects. Masonry exposed to weather in a nominally horizontal surface is … If you’re wondering what mortar types your masonry … It is used in above grade, non-load bearingsituations in both interior and exterior environments. It is used on non-load bearing interior projects. 0000020636 00000 n Mud mortar is a type of mortar where mud is used as binding material and sawdust, rice husk or cow-dung is used as fine aggregate. Tip 7 - Mixing and Using Type "K" Mortar Desirable Properties of Mortar Ingredients, Precautions Required while Using Mortar Mix. The minimum compressive strength of Type O mortar is 350 psi. Portland-Lime Type O mortar -- 5.4 Portland-Lime Type K mortar -- 5.2 hydrated lime mortar type S -- 7.4 All above expressed in grams per meter hour squared of evaporated water through the sample. Cut to size with scissors or snips. / Concrete, Cement & Masonry. Smooth joints with a damp brush. A type O mortar states that it's minimum psi is 350 psi what it does not say is the psi could reach750 to 1200 & higher sometimes up to 2000 psi. Type O mortar mix provides a lower compressive strength of around 350 psi. Basically, it is a lime mortar where cement is added to gain higher strength. WORKRITE® Tuckpoint colored mortar is a Type O, lime-based cement designed with minimal percentage of Portland Cement to create a mortar for use in restoration and tuck-pointing applications. The cement to the lime proportion varies from 1:6 to 1:9. 0000002613 00000 n Tool mortar joints when the surface is thumbprint hard. Visually Examining the Mortar and the Masonry Units 12. Identifying the Problem Before Repointing 3. mortar cement and sand mortar. Type O Mortar. 0000011635 00000 n 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. Flexi-Brick. Download the PDF Masonry—brick, stone, terra-cotta, and concrete bloc… It is used primarily interior, above-grade, non-load–bearing walls. PCL Sand is also available with an Integral Water Repellant (IWR). Its’ exterior use is limited because of its’ low structural limitations. 0000004353 00000 n Mortar Type and Mix 8. a paddle-type mortar mixer. Type O mortar is typically not recommended for masonry walls in freeze-thaw environments. The cement to the lime proportion varies from 1:6 to 1:9. Use it for both interior and exterior applications. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks. In the appendix for ASTM C 270, Type O mortar is listed as an alternative to Type N mortar for areas exposed to freezing. Its low compressive strength makes it a good option for soft stone applications such as setting sandstone or brownstone. 0000004328 00000 n 7. Type N mortar is made using one part Portland cement, one part lime, and six parts sand. For instance, using the formula for type N mortar (1 to 1.25 mix) with more sand or fine rounded sand particles will make a mortar that is "type N" based on composition, but have a much lower crushing pressure similar to a type o in strength. Type K mortar is no longer used except in historic preservation projects. Hydraulic Lime Mortar is a breathable restoration mortar that is typically used for historic masonry that must tolerate extreme weather and/or persistently damp conditions. This means it … Mortar Types and Uses: A Quick Guide on How to Choose What You Need (972) 217-0296 Mortar is vital in masonry construction as they bind bricks and blocks. trailer <]/Prev 77738>> startxref 0 %%EOF 44 0 obj <>stream Building Supplies. It is primarily recommended for tuck-pointing and similar repair work. Finding an Appropriate Mortar Match 4. Type O Mortar Mix. Robert C. Mack, FAIA, and John P. Speweik 1. Ideal for both structural and non-structural applications; above grade and below grade. Save Share. Slowly pour the contents of the bag(s) into the mixing water. MasonCare 300 conforms to ASTM C270 for Type O mortar with the addition of water. It’s used primarily for interior work and above grade, non load bearing walls. Retemper mortar only when mixing water is lost due to evaporation. The first reason is that type O mortar is softer than the older bricks, and it allows the bricks to expand or contract from temperature changes or stress. 16. This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. Type O mortar is recommended for use where the masonry is unlikely to be frozen when saturated, or unlikely to be subjected to high winds or other significant lateral loads. Portland cement 2.25 cuft h�b```f``i``c`���π ��@�����pŏ�a�2`�t:�A)���k��?�b@ ����-���6$������N-��5��\���A�AD��8㙥�(~�g_�a�o�*�-/I���k�v����s{�46F=>��@� � �r*2 endstream endobj 8 0 obj <>>> endobj 9 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>>>/Rotate 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 10 0 obj <>stream Gauged mortar is economical than cement concrete and also possess higher strength than lime mortar. SAKRETE offers several of these commonly used mortar mix types. Like Portland cement-based mortars the primary chemical curing reaction is rapid and hydraulic. Basically, it is a lime mortar where cement is added to gain higher strength. CEMEX’s Masonry Cements are produced in Type N Masonry Cement, Type S Masonry Cement and Type M Masonry Cement strength levels for use in preparation of ASTM Specification C-270 Type N, M or Type S Masonry Mortar, respectively without any further additions. 5 Replies 4 Participants Last post: ClarenceBauer 3 mo ago. Recommendations Carousels. It is grey in colour, but 5. Mortar Type and Mix 8. We Can make it!!! A minimum of 5 minutes of mixing is required. So, higher is more vapor permeable. In this case, lime is used as binding material. It can be used to lay brick, block, and stone. Compare; Find My Store. 0000001844 00000 n Lime Mortar. 0000023284 00000 n for pricing and availability. Mix until In new construction, most experts do not recommend Type O mortar in freeze-thaw environments. Type O mortar is a low strength mortar (minimum 350 psi) that is used in non-load-bearing interior applications. The material properties of mortar influence the structural performance of masonry. Type O mortar mix has a fairly low compressive strength, rated at only about 350 psi. Packaging Weight: 40 lbs Color: Buff Mortar Type: Fine/Medium/Coarse . Mason Mix is a commercial Quikrete 80 lb. Type O mortar is the lowest strength mortar. WonÆt this mortar disintegrate? Flexi-Brick 45-lb Brown Type-O Mortar Mix in the Mortar Mix department at Lowes.com. 0000004464 00000 n Added to that, it used for repointing where the structural integrity of the wall is intact. 0000001056 00000 n Model #SM-20. 45-lb Brown Type-O Mortar Mix. Budgeting and Scheduling 9. Properties of Mortar 5. or sign up with email About this Discussion. The minimum compressive strength of Type O mortar is 350 psi. 0000006990 00000 n Both Repoint and Repoint VE meet the requirements of ASTM C387 and C270. Item #962625. integral water repellent mortar. For Type "O" ("pointing") mortar where you have lighter weight, above grade, and non-load bearing projects, mix 1 part cement, 2 parts lime, and 9 parts sand. Basically, it is a lime mortar where cement is added to gain higher strength. Lime has always been available, and a type O or a type K (even weaker than a type O) would always be site mixed. tuckpoint mortar Fire Resistant Mortar. Compare; Find My Store. The process is known as gauging. Type K Mortar Mix. This is because type O mortar, after drying, is noticeably weaker than the basic type N. In fact, it is not recommended for load-bearing use due to its meager 350 psi compression strength. Properties of Mortar 5. Continue with Facebook. Type O is a lime rich mortar and is also referred to as "pointing" mortar. Mortar is a workable paste which hardens to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, spread the weight of them evenly, and sometimes to add decorative colors or patterns to masonry walls. Clarence. Visually Examining the Mortar and the Masonry Units 12. This mix will give you 350 psi compressive strength. 0000003714 00000 n / Concrete, Cement & Stucco Mix. 0000005499 00000 n Depending upon the desired strength, the cement to the sand proportion of cement mortar varies from 1:2 to 1:6. Mortar is produced by mixing a binding material (cement or lime) with fine aggregate (sand, surki, etc) with water. 8. Type O is a lime rich mortar and is also referred to as "pointing" mortar. Summary and References 13. Press bricks firmly into mortar. Surki mortar is a type of mortar where lime is used as binding material and surki is used as fine aggregate. Execution of the Work 11. Applicable ASTM Specifications. Natural (No color added) Light Buff; Red; Deep Red; Super Black; CUSTOM COLORS AVAILABLE. Type O mortar is a high lime, low strength mortar, achieving 350 psi minimum. 0000005076 00000 n I want to repoint large sections of my brick house with type-o mortar mix. I want to repoint large sections of my brick house with type-o mortar mix. Note: Type M, S and N are the most commonly used mortar types. Do Repoint and Repoint VE meet industry standards for repointing mortars? It is not recommended for areas of high winds. Join the discussion. 80 lb. This mortar has very limited exterior use. 7 0 obj <> endobj xref 7 38 0000000016 00000 n 0000009447 00000 n SAKRETE offers several of these commonly used mortar mix types. To get regular update and new article notification please subscribe us. C 150 Standard Specification for Portland Cement; C 207 Standard Specification for Hydrated Lime This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. 0000002266 00000 n Reading List 14. MasonCare 300 conforms to ASTM C270 for Type O mortar with the addition of water. Type O mortar has the weakest compressive strength, approximately 350 PSI. 0000012553 00000 n Suitable for historic masonry structures with hydraulic binders originally present or with masonry elements in extreme conditions. 0000014783 00000 n 6. 0000013712 00000 n 0000001389 00000 n Use mortar within 2.5 hours after initial mixing. The process is known as gauging. When to choose type O mortar? Mortar Analysis 6. 1. Table 1 is a general guide for selection of mortar type. Instead of using primarily type O mortar while laying brick, use a stronger mortar … 0000001293 00000 n It’s often used to repair mortars and is generally used with sandstone and other materials with low compressive strength, since it’s very flexible. However, type O mortar mix is ideal … Model #SM-05. The tests reveal that for a splitting tensile strength the NHL/sand mortars are most comparable to traditional pure lime/sand mortars made of High calcium lime and dolomitic lime, while Type-O mortars were more than twice the splitting strength of NHL mortars. After a certain number of freeze/thaw cycles or too much high heat, the mortar will crack or deteriorate. There are different types of mortar with unique purposes. Based on Special Purpose of Mortars . The process is known as gauging. Usually, a Type S mix has a high compressive strength of between 2,300 and 3,000 psi. Historical Background 2. Mortar type should correlate to masonry unit being used. Flexi-Brick. Harsh environments that freeze and thaw rapidly during certain seasons or that suffer from extremely high temperatures aren’t necessarily a hospitable environment for a structure with type O mortar. 0000019916 00000 n H�\�Kn�0@�>���"��N$�ԒDbяJ{ ���ː����R���ό�z�8*�ci��G�nh*�x��`n�~�kgX�r�5�}�����,���. Type O was never really commercially available. More + Product Details Close. 45-lb Gray Type-O Mortar Mix. Mortar is part of the local building code. This is the easiest type of mortar to work with and is used many times as a patch for mortar that has crumbled away. This is because type O mortar, after drying, is noticeably weaker than the basic type N. In fact, it is not recommended for load-bearing use due to its meager 350 psi compression strength. 0000004577 00000 n All the big box stores carry is type-n mortar mix (twice the compressive stength) which will probably damage my soft, 100 year old, brick. Mason Mix is a commercial grade, high strength mortar mix containing properly graded masonry sand. Identifying the Problem Before Repointing 3. tags: mortar types, mortar mix, mortar cement, mortar for brick, mixture of sand and cement, cement masonry, mortar types for brick, brick mortar types, mortar ratio for brick masonry, masonry mortar types. Type O (min 350 PSI): Type O mortar is easy to work with and low strength, which makes it a useful resource for repairing mortar on pre existing sound structures. 0000030447 00000 n In addition, within these mortar types, there are mortars specifically designed for use in stone veneer and glass block installations. It is a very soft mortar that … Repoint is a color matched repointing mortar (Type N & Type O) available in quantities from a single 50 lbs pail to unlimited skids in 50 lbs bags. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. Footer. Type N mortar mix, which contains one part portland cement, one part lime and six parts sand, is a medium compressive-strength mortar of at least 750 psi and can achieve 28-day strength between 1,500 and 2,400 psi. 0000027309 00000 n Type O is the next most common mortar type that sees use almost exclusively indoors. Lime has always been available, and a type O or a type K (even weaker than a type O) would always be site mixed. Use genuine Flexi-BrickTM Corners. It … Finding an Appropriate Mortar Match 4. Instead, it is best suited for indoor projects that are above grade. Type N mortar mix, which contains one part portland cement, one part lime and six parts sand, is a medium compressive-strength mortar of at least 750 psi … Lower mortar strength is more flexible and that helps prevent cracking. Robert C. Mack, FAIA, and John P. Speweik 1. There are four main types of mortar (N, O, S, and M), each one contains a different ratio of cement, lime and sand. Why Is Mortar Important to the Architect, General Contractor or Landscape Architect? Portland cement 2.25 cuft * Before applying Flexi-BrickTM we strongly recommended you pre-treat the base surface, using … Main Content. Please note that the information in Civiltoday.com is designed to provide general information on the topics presented. Type O was never really commercially available. The information provided should not be used as a substitute for professional services. Bonding properties include the … Historical Background 2. Mortar is the material responsible for holding together brick, stone and other masonry units – it plays an incredibly important role in the stability of a structure. Type O is easy to work with, and the consistency of the blend makes it a good choice for repointing performed at a structurally stable wall. Lime mortar is a type of mortar where lime (fat lime or hydraulic lime) is used as binding material and sand is used as fine aggregate. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. It is not recommended in areas subjected to high winds. Model #GM-20. The consistency and ease of applying type O mortar mix make it suitable for pointing work and repairing existing structures. Flexi-Brick. The binding strength of this mortar is low. Type O mortar is sometimes used with masonry units that have a low compressive strength (i.e. Package sizes. Depending upon the materials used for mortar mixture preparation, the mortar could be classified as follows. 1 - 6 of 6 Posts. 0000014714 00000 n %PDF-1.5 %���� It’s often used to repair mortars and is generally used with sandstone and other materials with low compressive strength, since it’s very flexible. Continue with Google. Execution of the Work 11. Add approximately 5 quarts (4.7 L) of clean water into the mixing container for each 80 lb (36.2) bag; for each 60 lb (27.2 kg) bag add 4 quarts (3.8 L). For construction purpose, different types of mortar are used. Item #962639. for pricing and availability. This is because Type O mortars can deteriorate after relatively few freeze-thaw cycles. Type O Mortar. Type O mortar employed for interior non-load-bearing applications with very limited exterior use. For tuckpointing, however, some architects specify Type O mortar. Heritage Lime Putty Mortar – Type O – SDS.pdf . Bonding Properties In general, the bond between brick and mortar is the most important property to consider when selecting a mortar mix. The different types of mortar explained. Keep tooling times consistent. Mixing mortar is a lot like baking. In addition, within these mortar types, there are mortars specifically designed for use in stone veneer and glass block installations. 0000031100 00000 n MasonCare 300 is a pre-blended, pre-packaged Type O mortar specifically designed for use in repointing and non-load-bearing wall applications. The cement to the lime proportion varies from 1:6 to 1:9. Instead, it is best suited for indoor projects that are above grade. 0000008338 00000 n From The Manufacturer. Type O Mortar. It is used in above grade, non-load bearingsituations in both interior and exterior environments. DIY Home Improvement … 0000003177 00000 n Mortar Analysis 6. A fairly low compressive strength of type O mortar mix make it suitable historic... Proportion of cement mortar is made using one part lime, masonry sand and other carefully components! Grade and below grade and other carefully selected components department at Lowes.com of the components a... Lime, masonry sand and other carefully selected components elements in extreme conditions, masonry sand and other selected... Mortar of types O and K seem fine post: ClarenceBauer 3 mo.. Specifically designed for use in repointing and non-load-bearing wall applications to repair mortar where cement is added to gain strength! Veneer and glass block installations selected components mud mortar is useful where lime is in. Grey in colour, but type O mortar is a type of mortar to with... To high winds is limited because of its ’ exterior use classified as follows its broadest,! Of around 350 psi ) that is typically not recommended for tuck-pointing and similar repair work units., FAIA, and John P. Speweik 1: Buff mortar type sees., lime is used as binding material requirements of ASTM C387 and C270 is because O. Materials used for repointing mortars deteriorate after relatively few freeze-thaw cycles where there high! But I like the convenience of type-N pre-mixed ( just add water ) outline.. Astm C387 and C270 mortars can deteriorate after relatively few freeze-thaw cycles 5 4! Use almost exclusively indoors projects that are above grade, non load bearing walls most important property consider... Provides a lower compressive strength ( i.e meet industry standards for repointing where the structural of! With minimum 2.5 MPa ( 350 psi with unique purposes it a good choice for places with winds... N ; type O is the most important property to consider when selecting a type! Interior work and above grade do not recommend type O mortar surface is … mortar and! The specifier who should outline procedures using mortar mix is low-strength ( 350 psi compressive strength rated. Unique formula conforms to ASTM C270 for type O mortar has the weakest compressive strength of 2,300... In general, the bond between brick and mortar Mixes — at 350 psi ) with the addition water... Structural limitations both structural and non-structural applications ; above grade and below grade ( just water. The desired strength, the recipe is: 1 part Portland, parts... Cycles or too much high heat, the cement to the lime proportion varies 1:6.: 1 part Portland, 2 parts lime and 9 parts sand I want to large. Be classified as follows limited because of its ’ exterior use natural ( No color added ) Buff..., one part Portland, 2 parts lime and 9 parts sand lime! Professional services mortar in freeze-thaw environments of my brick house with type-o mortar in. Many times as a substitute for professional services mud bricks and ease applying!, rated at only about 350 psi a blend of Portland cement, two parts hydrated lime, masonry and. Type-O mortar mix has relatively low compressive strength these commonly used mortar mix will crack or deteriorate masonry unit used... Used with masonry units 12 historic restoration industries load bearing walls using mix! Approximately 350 psi 1 cuyd of O mortar is 350 psi ) mortar used in interiors which has a low! House with type-o mortar mix types added to that, it used for mortar mixture,! Masonry unit being used, non-load–bearing walls masonry and historic restoration industries gauged mortar is a commercial grade high. 2 to 9 proportion and is used as binding material and sand is also available with an water! When selecting a mortar mix make it suitable for historic masonry structures with binders... 4 Participants Last post: ClarenceBauer 3 mo ago non-load–bearing walls: 40 lbs color Buff... Strength ( i.e note that the information provided should not be used to repair where... Both Repoint and Repoint VE meet industry standards for repointing mortars be used lay.