Stiff cement mortar is a cement mortar containing a relatively small amount of water and binding materials. This mortar is used for laying paving blocks and bricks, semi-dry cementitious screeds and performing certain exterior finishing works. It is more reliable, wear-resistant and less affected by the environment due to the reduced content of water.
Stiff cement mortar is produced in strict compliance with the established production processes and standards. If even minor deviations from the production process occur, the mortar may lose its performance and become brittle and unable to reliably fix building units.
All concrete mixes by HOUSE BETON LLC are always produced at our batching plants 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 will select the raw materials and develop a tailor-made mix recipe for applications of any complexity level. We guarantee high quality of our stiff 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.
Slump value of a concrete mix Concrete made oflow-slump mixes are characterized by an increased modulus of elasticity, tensile strength, lower shrinkage and time yield.
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