Cement mortars CM are used in almost all construction works associated with the construction of walls, preparation of horizontal beddings (screeds), closing of cracks, repair of irregularities and other defects. Cement mortar is a mixture of cement, sand and water, which are mixed in the specified proportions. Mortar quality is defined by the production method, mix ratios, grade and class of cement used. The choice of the cement grade depends on the structural element a particular cement mortar will be used for, as different building parts are exposed to different load conditions, temperature regimes, effects of precipitation and other attacks. Besides, a high-quality mortar can only be obtained in case of strict adherence to the established production process.
All concrete mixes by HOUSE BETON LLC are always produced in line with the relevant requirements, mixing technology and mixing ratio. Usually, construction engineers select the class and grade of the concrete mix or mortar most suitable for your construction project by themselves. However, if you still have any questions, our managers are ready to provide personal professional advice on choosing the concrete mix to suit your exact needs and your budget. And our highly qualified laboratory technicians can select raw materials and develop a tailor-made mix recipe for applications of any complexity level. We guarantee high quality of our cement mortars plus delivery to your construction site.
The concrete grade is designated by an alphanumeric code (for example, M-100),which denotes the ultimate compressive strength expressed in kilograms per square centimetre. A higher value means a greater amount of cement in the composition. The grades range from M-50 to M-1000, while the most popular grades are between 100 and 500. The higher the strength grade, the stronger, more frost-resistant and more durable the concrete.
Today, design specifications often define the class of concrete mix, which shows properties of the mix more precisely. The class of concrete mix denotes the permissible deviation from the mix quality. It shows the strength value obtained for an actual sample while the grade shows the estimated strength only. The class of concrete is marked with the letter ‘B’, and ranges from 3.5to 80. Classes B7.5 to B40 are used in domestic construction.
M50 cement mortar grade falls into the category of common mortars. It is used for preparatory works, construction of floor screeds, closing of cracks and chips, brick walling.
M75 is a cement mortar grade, which is suitable for finishing walls made of high strength materials. It has high adhesion to mineral surfaces and ensures a reliable and strong connection between building blocks and the plastered surface.
M100 is a cement mortar grade. It is mainly used for masonry and plastering works, as well as for the construction of cement floor screeds.
M150 is a cement mortar grade. It is used in the installation and plastering works, for connection of separate plaster elements of a building into a single solid structure, filling gaps between large pre-cast elements during their installation, finishing walls and ceilings, as well as for pouring floor screeds.
M200 is a versatile high strength mortar, which is suitable for masonry and levelling works, constructing concrete screeds, beams, stairs, perimeter pavements, pouring footpaths, etc. Strength performance ofM200 suffices most of the tasks in the domestic construction sector.
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