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. It is considered to be a generalpurpose mix, useful for above grade, exterior, and interior loadbearing installations. This is because a mortar type can be base on performance compressive strength or on composition. Vitalsource bookshelf is the worlds leading platform for distributing, accessing, consuming, and engaging with digital textbooks and course materials. Properly graded sand blended with masonry cement type s for use on structural and nonstructural masonry applications above and below grade. These premixed mortar products are designated by one of the five letters, m, s, n, o, and k.
Most commonly used with stone, type m mortar is one of the strongest variations. The weakest of the standard composition mortars, it is suitable for internal brickwork, above the dampproof course and sheltered external use particularly with high suction bricks. Mar 27, 2018 mortar, a thick mixture of water, sand and cement, is a common bonding agent for building materials, such as brick or stone. M2 60 mm mortar was developed from the heavier 81 mm m1 mortar to provide a lighterweight alternative to companylevel fire support. Different types of mortar mixes vary by strength, bonding properties and flexibility. Choose the desired type of mortar, the amount you wish to purch. Lycon mortar technologies is a manufacturer of professional and consumer grade concrete mixes, grouts, and sand bags. Our bags are produced inhouse at our slinger facility and we offer pickup and delivery services to major wisconsin and illinois markets. Mortar andor grout are a mixture of cement, fine aggregate, admixtures if required and water. Basalite mortar is manufactured with astm c 150 type iii portland cement, astm c 207 type s hydrated lime and astm c 144 mason sand. The type of mortar you need will depend on your intended use. Composition and uses of lime and mortar building technology.
Mortar mix type n is recommended for use on exterior and above grade walls that are subjected to severe and everchanging weather conditions. The m2 attempted to bridge the gap between the 81 mm mortar and the hand grenade. The type 99 81 mm mortar japanese as kyukyu shiki shohakuyekiho, meaning 99 model small trench mortar was a japanese mortar used primary by imperial japanese army during world war ii. Type m mortar is the highest strength mortar minimum 2500 psi and should only be used where significant compressive strength is required. Type m portland cement is sometimes referred to as type m mortar, type m portlandlime or type mary. Below grade applications where extreme gravity or lateral loads are present, such as in retaining walls. Order mortar composition analysis for matching mortar. Type n and type s are the most commonly used mortar mixes as they have a bond strength of 50 psi or greater which is more than adequate for most stone projects. Type s mortar is a mediumstrength mortar minimum 1800 psi.
Use this type for loadbearing walls, retaining walls, foundations, or other belowgrade applications where the mortar will come into contact with soil. Mortar mixes are classified according to their compressive strength, bonding properties and flexibility. Sand type m mortar spec mix type m mortar is a quality controlled, preblended mixture containing portland cement, hydrated lime and sand. Physical properties of mortar cement mortars astm c 270 when structural reinforcement is incorporated in cementlime or mortar cement mortar, the maximum air content shall be 12%. 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. Its specific composition is 1 part portland cement, 1 part lime and 6 parts sand. Type k mortar is generally used only for interior or historical pointing of soft, handmade brick.
Thinset mortar is your default tile mortar for most indoor and outdoor applications. There is also mortar for glass block, straight lime mortar and type k. This type of mortar may be recommended for masonry units with high compressive strength, as well as for projects in which you are working against gravity or with more extreme lateral loads. Mortar type minimum, mpa psi minimum, % maximum, % m 17. I am sure some currently active masons may arrive to help. Ready masons blend type m high strength mortar carrolls. Type s, n, and m masonry cement and mortar cemex usa. The type 99 designation was given to this gun as it was accepted in the year 2599 of the japanese calendar 1939. It is applied to the substrate with a notched trowel.
Mason works is a guideline to the types of mortar, this phrase masonworks represents the 5 different types of mortar. Mortar lime a mortar mixes here are seven common and uncommon mortar mixes. Meets the requirements of astm c270 types s, n, or m. It is a form of type o mortar but has greater flexibility to keep the blocks from breaking and cracking. Type m mortar is the strongest, and type k the weakest. Our friendly staff is prepared to fulfill your small bag needs. Jan 18, 2011 composition and uses of lime and mortars. In addition, type n masonry cement can be combined with portland cement or blended hydraulic cement to produce type s or m mortars. Glass block mortar is a specific mortar used when installing glass blocks. Ready mason blend type m is fantastic for laying brick, stone, roof tile, mudpacking floors and for creating refractory fireresistant mortar. Not be confused with cement, concrete, or grout, mortar is a specific material made for specific purposes. Mortarmudmixes used in all types of masonry work, including brick, block and stone laying and repairs, such as tuckpointing, mortar is available in a variety of types for a variety of applications.
Mortar composition analysismortar mix formula matching. It also meets the requirements of the following building codes. Each mortar mix has a specific portland cement, hydrated lime and sand proportions that keep each type of mortar apart from the other. For laying brick, block and stone in load bearing walls and below grade applications. Types mortar mix promasonry type s mortar mix exceeds the requirements of astm c387 and astm c270 for compressive strengths when used as directed. Five mortar types, each with a corresponding recommended mix, have been established by astm to distinguish high strength mortar from soft flexible mortars. This material is a mixture of type s lime, portland cement and sand.
Thinset tile mortar has a smooth, slippery consistency, similar to mud. Type s lime is generally preferred for use in masonry mortar, although type n is permitted by astm c 270 if shown by test or service record not to be detrimental to soundness of mortar. It may be used to lay block, stone and brick, or as underlayment for slate, marble and tile. Mar 10, 2014 not often used outdoors, type os uses are limited to non load bearing walls and is generally an interior only used mix. Oct 07, 2011 type n or normal hydrated lime need only be putty overnight.
Mortar grades the american society for testing and materials astm has a grading system assigning specific letters. This is the preferred mortar mix for soft stone masonry and is the one most often used by homeowners. Suggested uses for laying brick, block and stone, or pointing, plastering and stuccoing. Quikrete mortar masonry mix consists of a uniformly blended mixture of fine sand, and type n masonry cement. Mixing mortar bricks blocks pavers and landscape supplies. This mortar is suitable for repointing old mortar and handmade bricks. Different types of mortar exist for a variety of applications. Though mortar and grout are comprised of the same materials, a mortar is stiff and holds its shape, while a grout is fluid and is able to flow into small voids and may be pumped into final position via pressure.
Use for brick or stone fireplaces, brick walls, block walls, parge coats, tuck pointing, stucco and plaster. Type m mortar mix is a highstrength, preblended mortar for commercialgrade applications. The astm designated them in decreasing order of approximate general strength as type m 2,500 psi, type s 1,800 psi, type n 750 psi, type o 350 psi and type k 75 psi. Thinset is a mortar that is made of portland cement, silica sand, and moistureretaining agents. Clay bick glass block stone veneer colored masonry pre blended increased bonding enhanced workability high strength m technical data. Meets the requirements of astm standard c91 standard specification for masonry cement. Type k abandoned for most practical uses, before i entered the trade, type k is the least seen or used. This is the easiest type of mortar to work with and is used many times as a patch for mortar that has crumbled away. Gray type s mortar mix is a preblended mixture of sand and masonry cement or sand, lime and portland cement. With regard to mortar, type o seems best for very low compressive strength interior applications.
The type of binders and the ratio of portland, lime, and sand in mortar determine the mortar type. This is then blended to create a strong mortar with excellent plasticity and bonding properties. Each one has a certain proportion of portland cement, hydrated lime and sand. M mortar is the strongest type of mortar, and is produced by mixing portland cement and sand to a 3 to one ratio, with water to produce 2500.
It is also the preferred mortar mix for soft stone masonry. It should be noted that astm c 207 type n and s designations for lime precede and do not relate to current astm c 270 mortar type designations. Mortar composition analysis and matching services are used to determine the ratio of mortar mix, lime, portland, and sand through testing samples of mortar for their type and composition formula. With in each mortar type, the composition ratio can vary dramatically. In conjunction with stone or other masonry units that have a high compressive strength. Alternating letters shows you the types of mortar that is used in construction today. Strengths of mortar change based on the mix ratio for each type of mortar, which are specified under the astm standards. Each mortar mix has specific proportions of portland cement, hydrated lime and sand that differentiates each type from the other. Cemexs 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 c270 type n, m or type s masonry mortar, respectively without any further additions. Astm mortar types engineering toolbox resources, tools and basic information for engineering and design of technical applications. Cemexs type n masonry cement, type s masonry cement and type m masonry cement are specially formulated and manufactured to produce masonry mortar. Type s mortar is the most common for the arizona market so we will use this as the basis for our comparisons. It has most of the flexibility of straight lime mortar with some early strength from the cement.310 41 244 1130 1295 306 1011 966 746 258 780 453 128 281 237 486 844 1421 27 85 1319 1038 1139 460 656 2 403 1324 1440 962 1045 889 640 1396 884 1024 60 1304 1360 759 971 909 563