0000003177 00000 n Reading List 14. 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 45-lb Gray Type-O Mortar Mix. 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. Type O Mortar. This is because Type O mortars can deteriorate after relatively few freeze-thaw cycles. Type O mortar is sometimes used with masonry units that have a low compressive strength (i.e. It is used primarily interior, above-grade, non-load–bearing walls. The cement to the lime proportion varies from 1:6 to 1:9. 45-lb Brown Type-O Mortar Mix. 0000004577 00000 n Heritage Hydraulic Lime Mortar NHL 3.5. Instead, it is best suited for indoor projects that are above grade. 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. The different types of mortar explained. It’s used primarily for interior work and above grade, non load bearing walls. 8. Overview. From The Manufacturer. Desirable Properties of Mortar Ingredients, Precautions Required while Using Mortar Mix. Like Portland cement-based mortars the primary chemical curing reaction is rapid and hydraulic. 0000019916 00000 n To get 1 cuyd of O mortar, you need 27 cubic feet of the components in a 1 to 2 to 9 proportion. Retemper mortar only when mixing water is lost due to evaporation. 5.2 Proportion Specifications—Mortar conforming to the 0000012553 00000 n Components of Mortar 7. Flexi-Brick 45-lb Brown Type-O Mortar Mix in the Mortar Mix department at Lowes.com. Type O mortar is a high lime, low strength mortar, achieving 350 psi minimum. Hand mix mortar only with written approval by the specifier who should outline procedures. Packaging Weight: 40 lbs Color: Buff Mortar Type: Fine/Medium/Coarse . Type O is the next most common mortar type that sees use almost exclusively indoors. Model #SM-05. Flexi-Brick. WonÆt this mortar disintegrate? Robert C. Mack, FAIA, and John P. Speweik 1. Type O is a lime rich mortar and is also referred to as "pointing" mortar. Tool mortar joints when the surface is thumbprint hard. 0000002266 00000 n There are four main types of mortar (N, O, S, and M), each one contains a different ratio of cement, lime and sand. It is primarily recommended for tuck-pointing and similar repair work. Type O was never really commercially available. Applicable ASTM Specifications. The cement to the lime proportion varies from 1:6 to 1:9. 0000001293 00000 n 5. In the appendix for ASTM C 270, Type O mortar is listed as an alternative to Type N mortar for areas exposed to freezing. Surki mortar is a type of mortar where lime is used as binding material and surki is used as fine aggregate. 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. It is not a good choice for places with high winds. Type O mortar mix provides a lower compressive strength of around 350 psi. 0000031100 00000 n Cut to size with scissors or snips. 0000006990 00000 n 0000029728 00000 n Type O mortar mix has relatively low compressive strength, at only about 350 psi. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. Use mortar within 2.5 hours after initial mixing. Table 1 is a general guide for selection of mortar type. In addition, within these mortar types, there are mortars specifically designed for use in stone veneer and glass block installations. Suitable for historic masonry structures with hydraulic binders originally present or with masonry elements in extreme conditions. SAKRETE offers several of these commonly used mortar mix types. 0000005499 00000 n Use it for both interior and exterior applications. Cement mortar is a type of mortar where cement is used as binding material and sand is used as fine aggregate. Type O Mortar Mix. tuckpoint mortar Flexi-Brick. 0000014783 00000 n Mud mortar is useful where lime or cement is not available. Type O was never really commercially available. It is not recommended for areas of high winds. 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. 0000020194 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. Price: $15.00 MORE INFO . A minimum of 5 minutes of mixing is required. Identifying the Problem Before Repointing 3. 1 - 6 of 6 Posts. H�\�Kn�0@�>���"��N$�ԒDbяJ{ ���ː����R���ό�z�8*�ci��G�nh*�x��`n�~�kgX�r�5�}�����,���. 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. Mortar is part of the local building code. Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. 6. 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 … Mix until Model #SM-20. trailer <]/Prev 77738>> startxref 0 %%EOF 44 0 obj <>stream Mason Mix is a commercial Quikrete 80 lb. I want to repoint large sections of my brick house with type-o mortar mix. Heritage Lime Putty Mortar – Type O – SDS.pdf . 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. 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. 0000004328 00000 n But I like the convenience of type-N pre-mixed (just add water). This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. 7 0 obj <> endobj xref 7 38 0000000016 00000 n It is used on non-load bearing interior projects. 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. Identifying the Problem Before Repointing 3. Press bricks firmly into mortar. MasonCare 300 is a pre-blended, pre-packaged, Type O Mortar specifically designed for use in repointing and non-load-bearing wall applications. Depending upon the desired strength, the cement to the sand proportion of cement mortar varies from 1:2 to 1:6. Mortar Analysis 6. With the lots or lime, The recipe is : 1 part Portland, 2 parts lime and 9 parts sand. Item #962639. Smooth joints with a damp brush. Type O Mortar Mix . 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. MasonCare 300 is a pre-blended, pre-packaged Type O mortar specifically designed for use in repointing and non-load-bearing wall applications. 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. 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? Main Content. Depending upon the materials used for mortar mixture preparation, the mortar could be classified as follows. The minimum compressive strength of Type O mortar is 350 psi. More + Product Details Close. It can be used to lay brick, block, and stone. / Concrete, Cement & Stucco Mix. The lime to the sand proportion of cement mortar is kept 1:2. for pricing and availability. 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. Surki mortar is economic. Execution of the Work 11. It is mostly used in interiors which has a low load-bearing capacity. 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. Historical Background 2. 11-lb Brown Type-O Mortar Mix. This mortar is a blend of Portland cement, Type S hydrated lime, masonry sand and other carefully selected components. Type O mortar is typically not recommended for masonry walls in freeze-thaw environments. There are two types of limes namely fat … Gauged mortar is a type of mortar where cement and lime both are used as binding material and sand is used as fine aggregate. This test seems to make a Portland-Lime mortar of Types O and K seem fine. 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