Features of ready-made masonry cement mortar grade 100 (M100): characteristics, composition

Convenience and dependability make prefabricated masonry cement mortar grade a popular choice in construction. Because it is pre-mixed, it saves time and guarantees consistency—two essentials for producing masonry work that is sturdy and long-lasting. Making the best decision for your projects can be aided by your understanding of its composition and characteristics.

The strength, workability, and setting time of masonry cement mortar grade are its primary characteristics. The particular makeup of the mortar, which usually consists of cement, sand, and performance-enhancing additives, affects these variables. You can choose the best mortar for various masonry tasks by being aware of these details.

The composition of masonry cement mortar is a critical factor in its quality. An enduring and sturdy structure is produced when the mortar and masonry units are properly bonded together by a proper mixture of materials. Additives can enhance the flexibility and water retention of the mortar, making it easier to work with and less prone to cracking.

Your masonry projects will be long-lasting if you are aware of the features and ingredients of the ready-made masonry cement mortar grade. By using this knowledge, you can avoid common problems that can occur from using the incorrect type of mortar and achieve better results. Let’s examine in more detail why this material is essential to contemporary building.

Component composition

Slag and Portland cement Masonry mixes are made with Portland cement GOST 10178, pozzolanic, and sulfate-resistant cements GOST 22266 of high strength grades M400 and M500. M100 and M200 cement are not utilized. Fly ash may be added to the solution, but not to the extent that it makes up more than 20% of the primary binder’s weight.

Filler for cement masonry and assembly mixtures M100: fraction-up to 0.3 mm washed sand, according to GOST 8736. Sand grains can have a maximum size of 2.5 mm, or up to 5 mm if the mixture is intended for use in rubble masonry.

Cement and sand ratios in M100 masonry mortar, which vary based on the room’s humidity (the mass of binder for every 1 m³ of filler is shown):

• dry – 100 kg;
• wet – 125 kg;
• Wet – 175 kg.

Anti-moraine additives must be added in the winter to ready-to-use cement-sand mixtures. Plasticizers can be added to the solution to enhance its properties when applied to the composition. Apply water-repellent additives if needed. The use of dyes is permitted if the mixture is applied to the facades of residential buildings, commercial and office complexes, etc. The original look of the walls can be restored with the help of color solution.

During the production process, each of the components on the list is added to dry mixtures. Certain compositions exist based on the type and presence of additives; these include winter, color, etc. D.

For construction projects, ready-made masonry cement mortar grade provides convenience and reliable quality. Its well-balanced composition guarantees robust adhesion and longevity. Both professional builders and do-it-yourselfers will find it ideal as it usually consists of a mixture of cement, sand, and additives to improve workability and performance. By being aware of its properties—like strength, resistance to environmental influences, and setting time—you can select the best mortar for your particular application and guarantee the durability of your masonry work.

Technical characteristics of the mixture M100

Characteristics of M100 brand cement-sand masonry mixtures:

• vitality in the open container-1-2 hours;
• adhesion strength with the surface – up to 0.5 MPa;
• work temperature – +5 … +25 ° C;
• operating temperature — -30…+40°С;
• volume of water per 1 kg of mixture — up to 0.23 l;
• masonry joint thickness — 10-15 mm;
• consumption per 1 m² at a thickness of 1 mm — up to 2 kg.

Characteristics of the hardened mortar

Principal characteristics of cement mortar M100 on the 28th day following the completion of installation or masonry work:

• average density — for light mortars up to 1500 kg/m², for heavy ones — from 1500;
• frost resistance — from F10 to F200 (from 10 to 200 freeze-thaw cycles without loss of properties);

The necessary values are part of the construction project; the precise values vary depending on the manufacturer.

Scope of application of mortar grade M100

Cement masonry mortar M100 can be used for the following purposes in addition to its primary use:

• grouting of joints;
• installation of partitions, columns, partitions;
• pouring floor screeds;
• filling joints between heavy panels, concrete blocks;
• plastering concrete surfaces;
• installation of ordinary lintels up to 2.5 m high;
• installation of the underground part of a brick foundation;
• arrangement of flat roofs;
• laying tiles, mosaics.

Lime can be added to the ready-to-use mixture’s composition at the customer’s request if plastering is required.

Requirements for the solution

The necessary component ratios and characteristics of construction mortar mixes, including masonry cement grade M100, are outlined in GOST 28013-98.

• mobility – from Pk1 to Pk4;
• water-holding capacity – at least 90%, homogeneity depends on this parameter;
• stratification in freshly prepared mixtures – up to 10%;
• temperature – -10 … + 25 ° C depending on the air temperature at the construction site, wind speed and type of masonry (brick or stone), when using the mixture for installation work, the temperature should be + 20 … + 35 ° C;
• humidity (only for dry mixes) — up to 0.1% by weight.

Plastic has to be the readily usable solution.

Mobility

The capacity of a building mixture to flow under its own weight is known as mobility or workability. The following values are necessary for grade M100 cement mortar depending on the kind of masonry:

• vibrated rubble – Pk1;
• non-vibrated rubble – Pk2;
• made of hollow brick or warm ceramics – Pk3;
• made of solid brick or ceramic stone – Pk4;
• installation of walls from concrete blocks, panels – Pk2.

Transportation and storage

Paper or polyethylene bags are used to carry dry mixes used to prepare masonry mortars M100. It must be a high-quality document. The blend has a six-month shelf life. The grade of the material’s compressive strength declines after it expires. Use of this composition is appropriate, but only for installations involving structures with minimal load-bearing capacity requirements. The completed solution is sometimes transported to the customer in bunkers, but more frequently it is delivered in a car with a concrete mixer. It is put to use right away.

For building projects, pre-made masonry cement mortar provides a dependable and effective option. Builders choose it for their projects because of its reliable quality and simplicity of use. Its meticulously balanced composition guarantees long-lasting adhesion for masonry projects.

Typically, this kind of mortar consists of a mixture of cement, sand, and water, with additional ingredients to improve particular qualities. By enhancing workability, setting time, and resistance to environmental influences, these additives can help the mortar be used in a variety of settings.

Since there is no need for manual mixing on the job site, using pre-made masonry cement mortar saves time and effort. This guarantees a more consistent and predictable performance in the completed structure in addition to expediting the construction process.

All things considered, ready-made masonry cement mortar’s properties and composition make it a sensible option for producing dependable and durable results in masonry construction. For both small and large-scale projects, its reliability and ease of use are important advantages.

Video on the topic

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