What is non-shrink grout? Applications in modern construction

Non-shrink grout is becoming the top choice in the modern construction industry thanks to the outstanding benefits that non-shrink grout brings to projects. So what is non-shrink grout? Why is non-shrink grout so popular? Let us answer your questions in this article.

Concept and application of non-shrink grout

1. What is non-shrink grout?

Non-shrink grout is a specially designed construction material with self-flowing and non-shrinkage properties during the hardening process. This is the optimal solution to help modern construction projects achieve high precision and durability.

What is non-shrink grout?

The main components of non-shrink grout include cement, fine aggregates and anti-shrinkage additives. Thanks to that, this type of grout helps fill gaps in the structure without leaving voids or causing cracks.

The biggest difference between non-shrink grout and conventional grout is the ability to maintain dimensions after hardening. This is especially important in works that require high precision, such as machine foundations, columns or structures with large loads.

With the above characteristics, non-shrink grout has become the first choice for construction works, from civil to industrial, bringing peace of mind to investors and construction teams.

2. Outstanding advantages of non-shrink grout

Non-shrink grout offers many outstanding advantages, making it the top choice in the construction industry.

Outstanding advantages of non-shrink grout

2.1 Effective anti-shrinkage
The anti-shrinkage ability is the biggest advantage of non-shrinkage grout. When hardened, this type of grout does not shrink like conventional grout. This helps to avoid problems such as cracking, deformation, and maximally protects the stability of the structure.

2.2 Easy to construct, time-saving
With its self-flowing feature, non-shrinkage grout easily fills all gaps without compression. Thanks to that, the construction process is carried out quickly and effectively, saving time for contractors and investors, especially in complex structures such as machine foundations or support columns.

2.3 Increase the durability of the construction
Using non-shrinkage grout helps increase the bearing capacity and maintain the durability of the structure. When combined with COSMO non-shrinkage grout, this effect is further enhanced, thanks to its superior waterproofing and protection capabilities.

2.4 Environmentally friendly
The composition of non-shrink grout does not contain harmful substances, ensuring safety for health and the environment. This is an ideal choice for modern constructions requiring high sustainability.

3. Practical application of non-shrink grout

With the above outstanding advantages, non-shrink grout has been affirming its position when being applied more and more in the construction industry.

3.1 Construction of foundations and fixing of machinery
Non-shrink grout is often used to fix the feet of machinery in factories and construction of column foundations in residential buildings to high-rise buildings. The self-flowing and non-shrinkage features help ensure that these structures achieve high precision and stability for important structures.

Foundation construction and machinery fixing

3.2 Reinforcement and repair of structures
In maintenance projects, non-shrinkage mortar is used to fill cracks, restore durability and load-bearing capacity to old structures. This is an ideal solution for structures that have deteriorated or are damaged.

Construction reinforcement and repair

3.3 Construction of structures subject to high pressure
When combined with COSMO non-shrink grout, the non-shrink grout provides impact and vibration resistance, protecting the structure from the impact of large loads and impacts. This is especially important in infrastructure projects such as bridges, roads or water tanks.

Construction of high pressure works

With its wide range of applications, non-shrink grout brings long-term value to construction projects, from residential housing to large-scale industrial projects.

4. Notes when using non-shrink grout

When constructing non-shrink grout, in addition to following the instructions on the product packaging, what else should contractors pay attention to?

Notes when using non-shrink grout

4.1 Surface preparation before construction
For maximum efficiency, the surface must be cleaned before pouring the mortar. The construction surface must be solid, free of dust, grease or impurities. For metal surfaces (iron, steel), rust and flaking scales on the metal surface must be removed. Care must be taken not to leave water on the surface to ensure good adhesion of the non-shrink grout.

4.2 Correct mixing ratio
Non-shrink grout must be mixed with the correct ratio of water and powder. Powder must be added to the measured water to achieve the desired consistency. Adding water to the powder may cause the powder to fly away and adding too much water may reduce the self-flowing properties and durability of the non-shrink grout.

4.3 Construction time
For non-shrink grout to achieve optimal expansion, workers need to construct within 15 minutes after mixing because this is the best time for the expansion process.

4.4 Temperature control during construction
Unlike other construction materials, non-shrink grout requires strict control of the ambient temperature during construction. If the construction temperature is lower than 20˚C, the setting time and strength achieved will be slower, 10˚C is the minimum temperature during construction. These conditions directly affect the hardening ability and durability of the mortar. When constructing in a high temperature environment, it is necessary to keep the surface moist to avoid cracking.

Non-shrink grout is not only a modern construction solution but also the optimal choice for those who want to ensure the quality of the project. With advantages such as anti-shrinkage, easy construction and good load-bearing capacity, this type of mortar is increasingly asserting its position in the construction industry.