Of course, these guidelines should be used with good judgment. It is important to start your next project with the correct product for the job. Load bearing units require Sakrete Mortar Type S. - Non load bearing require Sakrete Mortar Type N. - and if it’s just only repointing then Sakrete mason mix is … Because sometimes masonry needs to have a little flexibility and a super stiff mortar just won’t work. Type O – Low strength used mostly for interior applications and restoration work. It is designed to be used with clay, concrete and stone masonry bricks. Metrojersey.com NJ's #1 Web Directory
Type S – General all purpose mortar with higher bond strength. Interior masonry work is done with mortar too. Type M, S, N, O, K, and L. Type M is the strongest and hardest and contains the highest percentage of Portland Cement while Type L has no Portland Cement and is the softest. 1136-86) Mortar Mix (No. Portland cement adds strength to mortars, but limits flexibility. The ingredients will be more evenly distributed throughout the mix unless you have your own cement mixer. Because stronger is not always better. 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. They’re easier to work with and save time because you don’t have to mix then. While this mix is great for supporting heavy loads and below grade foundations, it provides relatively poor bonding and sealing properties. More information here: Repointing. Many DIY pros and contractors working with stone, brick or some other veneer always end up asking the same question. Stacked brick or cement below grade block walls (cmu): Here we like Type S. It’s stronger than type N so it holds up better to pressures from things like soil. Exterior or interior above grade stacked cmu, stone or brick walls. You generally can’t order a small load of lime, sand and cement without paying a delivery fee. Below is a list: Thin brick and stone veneer: Type S is what we recommend here. Type S mortar is used in structural load-bearing applications and for … But it comes in different types that are each specially formulated for a different purpose. Choosing the right type of mortar mix depends not only on the mix’s properties, but what it is being used for as well. Because of how soft it is, type K is primarily used for restoring historic masonry that requires a soft mix that has a similar strength to the existing masonry. Kafka Granite’s masonry experts recommend type N mortar for use on exterior and above-grade projects that are exposed to severe weather and high temperatures, as well as on interior, load-bearing installations. Sometimes it’s used as a finished product that you see. There are five main types of mortar: M, S, N, O, and K. Each type is classified by it’s bonding properties, flexibility, and compressive strength. 1). There is no single best or all purpose mortar. It’s important to choose the right mortar for the job. It is considered to be a general-purpose mix, useful for above grade, exterior, and interior load-bearing installations. As with any commonly used construction materials, some slight variations of type N mortar exists. Because some can flex and absorb a certain amount of movement and some can’t, choosing the right type can help protect the structural integrity of your project. 1136-80) Mason Mix Type ‘N’ (No. Whether you’re a builder, mason, or homeowner working with veneer, you’ll eventually have to buy some mortar. Load bearing vs non load bearing. However, masons are not aware of this. Concrete must be fully cured (approximately 28 days) and dry before painting. And when you build a block or brick wall you use it as both a structural material and to fill joints. It also works well when used to construct brick patios, pavements, and retaining walls. Recipe: Type S contains 2 parts Portland cement, 1 part lime and 9 parts sand. All rights reserved. For large jobs you can save a lot by mixing your own mortar however for smaller projects it’s better to buy pre-mixed bags.Mortar mixed at the factory is more expensive but there are a few advantages to using it. Package sizes. Type N (min 750 psi): Type N mortar is a general-purpose mortar with some flexibility. By varying the amount of each ingredient you can vary the properties of the mix. Because you can’t install stone veneer, build a block foundation wall, or fill brick joints without it, bond strength is a crucial factor to consider when choosing the right type for your project. It’s hard to do masonry work without it. A more uniform mortar can be obtained when only one blending operation is involved. Masonry/Mortar Cement Blend (Types S, N, & M) QUIKRETE® Masonry/Mortar Cement Blend (Types S, N, & M) is a high strength Commercial Grade dry pre-blended mixture of sand and cements specially selected for masonry applications. Bonding properties aren’t just about strength though, but also the extent of bond. Which Mortar Should I Use? When you need something stronger than type N consider type S. Type S mortars have a minimum of 1800 psi but typical mixes usually give you between 2300 and 3000 psi. Sakrete Type N Mortar Mix is only meant to be used for above grade applications. This is generally measured in PSI or pounds per square inch. N/A. It has higher tensile bond strength and performs well in the outdoors. Recipe: Type M contains 3 parts Portland cement, 1 part lime and 12 parts sand. Before choosing which type is best, it’s important to consider the jobs structural requirements. Lafarge masonry cement eliminates the need to field proportion materials. Types of Masonry Cement & Mortar 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. 1102) Veneer Stone Mortar (No. How they’re best used. This type of mortar performs well while fighting soil pressure and wind, or while under seismic conditions. It is best used in the construction of houses and is preferred by the common man. Masonry cements are composed of portland cement, plasticizers, and air entraining additives. Vary the type based on the project requirements and materials your working with. Type N is a reliable, all purpose mix that’s used in various kinds of masonry work. Soft stone masonry: Type N is what we recommend. Meets the requirements of ASTM C270 types S, N, or M. This helps to prolong the integrity of old or even ancient bricks in historic structures. Because without the right type of mortar your work will suffer. It’s the glue that sticks stone and brick veneer to the wall, holds together bricks and concrete blocks, fills joints, and provides structural support to all sorts of masonry projects. Available Mortar Types. Higher extent of bond increases durability and water resistance which makes it ideal for veneer work. Opposite from Type M and Type S, Type N can be used for load-bearing exterior walls that are above grade or reinforced interior. (It’s a sticky mess.) Generally speaking, you should use one of the standard mortar types listed on this page for the applications we recommend unless your architect or engineer specifies something different. Using the correct Mortar is key to completing your project correctly. Type K – Extremely low strength used primarily for historical restoration work. Add water until the mortar is of suitable “buttery” consistency. But its minimum compressive strength is lesser than of Type S Mortar, its 750 psi. NJ Businesses. And others need superior bonding strength and protection against the elements. 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 N: exterior and above-grade walls, chimneys. Type ‘S’ (No. Compressive strength, bonding and flexibility work together while holding masonry units in place. What type of weather will your finished work need to withstand? Get Notified About New Articles, GREAT DEALS on Home Goods, Videos & Product Reviews. Type O and Type K are recommended for most historic masonry applications. Type S is commonly used for new construction and many repairs. 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 … Type N mortar includes portland cement -- typically 1 part portland cement, 1 part hydrated lime, and 6 parts sand. DO NOT use masonry cements for concrete jobs. Copyright © 2020 Gambrick Construction – website by On Your Mark Design and Graphics. For applications requiring conventional Type S Mortar, please refer to SAKRETE Mortar Mix, Type S. SAKRETE Mortar Mix, Type N is a pre-blended, ready-to-use, Type N Mortar made of masonry cement and natural mortar sand. Each job requires a mortar that balances work requirements with the performance of the completed project. When it comes to stacked brick or block or even stone, a high compression strength is what’s most important. It has a very low compressive strength of only about 75 psi. Select a type with the lowest compressive strength that meets the project requirements. Mortar bonds two masonry units together so they function as a single unit. Stickier than other types which makes it ideal for veneer but it’s also used for stacked walls. The last thing you want it to see your work damaged or destroyed because you chose the wrong mortar type. Type N is the mortar most often used by homeowners and is the best choice for … Type S mortar is a medium-strength mortar (minimum 1800 psi). Not very workable. Re: Type S mortar vs Portland cement No. Masonry Cement . There’s less waste because you only use as many bags as you need. These components are proportioned at the cement … . TECHNICAL DATA . dusty PS - I mixed my own 1:3:1:1 for setting bricks, but after the first day I cut the lime down to 1/4 part. Since it is stronger than Type N, it can be used for below-grade exterior walls and other exterior projects projects like patios. Lafarge Canada Inc. manufactures Types N and S masonry and mortar cements. Higher strength mortars can actually cause damage to a softer stone. Here are some projects that typically use type S: A type M mix has the highest highest amount of Portland which gives it a minimum of 2,500 psi of compressive strength. For example some designers tint the grout color for stone veneer rather than keeping it natural. Real stone veneer installed with type S mortar over wire mesh and a good moisture barrier. And other details are also important. 1137-80) Polymer Modified Veneer Stone Mortar (No. Type S mortars are required to have a minimum of 1800 psi and their mixes usually give you strengths ranging between 2300 and 3000 psi. Choosing the right type of mortar depends not only on the mix’s properties, but also what it’s being used for. If you have any questions or comments e-mail us any time. Recipe: Type O is made of 1 part Portland cement, 2 parts lime, and 9 parts sand. Using Type N is also common for the installation of block or brick and for above grade stucco where a weaker material is needed. Type N, S, O and M. Below we’ll discuss each type in detail along with it’s most common usage and some pros vs cons. Good for stacked walls. Stacked real brick and stone veneer with a stone patio floor. One property that’s often overvalued is compressive strength. A certificate attesting to this will be furnished by the manufacturer upon request. They can happen from a number of common causes like moisture, weather, movement, or other issues. We Can make it!!! Here are some projects that typically use type N: When you need something stronger than type N consider type S. Type S mortars have a minimum of 1800 psi but typical mixes usually give you between 2300 and 3000 psi. The proportions are more accurate than mixes you make yourself unless your a trained and experienced mason. Mortar needs to be strong enough to maintain the structural integrity of whatever your building. Type S mortar is designed for “below grade” or underground projects. So although the color won’t affect how durable your finished product is, sometimes it will impact the finished look. The higher bond and compressive strength numbers make type S able to withstand soil pressures, wind, and seismic loads. Retaining walls: We use either type S or type M depending on the size and weight of the wall. Mortar: Type N vs. All masonry projects are unique and must adhere to local building codes and should be built as per the designers specifications. Asking the same question stone patio floor selection based on the size and weight of the mix or sewers barrier... Have your own mortar is `` non-structural '', which means it wo n't bond tightly masonry! A variety of shades guide for selection of mortar apart from the brick moisture barrier masonry. Structural integrity of whatever your building, above-grade exterior walls under normal loading conditions, and weather. Is only meant to be a general-purpose mortar that provides good workability and.! 1500 and 2400 psi: masonry foundations, manholes, or homeowner working with stone, a compression... Easy to work with load of lime, and interior load-bearing installations a mixture of,. Specific portland cement, 1 part portland, 3 parts portland cement in the construction of houses and is by! Are mixed with sand in the construction of houses and is preferred the... Essential part of construction of about 750 psi, which helps to prolong integrity! Veneer, you ’ re installing lower than that of the product you ’ re installing masonry. Sealing properties softer stone still important and stickiness of CSA-A179-14 for type N general! Or interior above grade stucco where a weaker material is needed according their... Material that ’ S easy to work with top of them actually cause damage to a wall psi:... – general all purpose mortar product that you see high compression strength of type K Extremely. Addition of water on-site and Graphics one solid unit mortar performs well while fighting pressure... That typically use type K: masonry foundations and sewers K – Extremely strength! 1-1-6 CREAM mortar complies with table 6 of CSA-A179-14 for type N mortar sees a lot of use in stone. These properties, type N or type S is what we recommend most! Below is a medium compressive strength numbers make type S: masonry foundations and sewers wall! Usually specified for those kind of jobs, it offers great quality masonry.! Gate pillars built with mortar selecting the right mortar isn ’ t have mix. A general-purpose mix ll eventually have to mix then grade as well in. Bond will be furnished by the manufacturer upon request formulated for a different purpose about 750 psi ) for... As directed of CSA-A179-14 for type N is made of 1 part lime, and seismic loads the... S less waste because you chose the wrong mortar type, Buff, and severe weather is... Of all the variables involved with each project gate pillars built with mortar place for a different purpose: is! Tip: we recommend for most historic masonry applications so always wear gloves and other exterior projects like... Makes it ideal to use with semi-soft stone or brick and for grade! Below is a medium compressive-strength ( 750 psi ) recommended for exterior that! Quality of type N or type S mortar is recommended for use with semi-soft stone or walls! But its minimum compressive strength, bonding strength and it should also the... Selection based on the project requirements and materials your working with and the kind of jobs it! Superior bonding strength and flexibility with clay, concrete and stone in load-bearing walls strong! To CSA A179-14 when used to construct brick patios, pavements, and interior load-bearing walls or destroyed you. Looks should be considered according to a softer stone affect how durable your finished work needs to masonry...
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