Tremix Flooring

Tremix Flooring

Tremix flooring, also known as vacuum dewatered flooring, is a popular choice for industrial and commercial spaces due to its durability and strength. This innovative concrete flooring technique not only provides a smooth and level surface, but also reduces the risk of cracks and enhances the overall structural stability of a building. In this article, we will explore the process, benefits, and applications of Tremix flooring, and why it has become a preferred option for many construction projects.

Ratio for Tremix Flooring

The ratio for Tremix flooring typically recommended by civil engineers is 1:1.5:3, also known as the 1-1/2-3 mix. This means one part of cement, one and a half parts of sand, and three parts of coarse aggregate such as crushed stone or gravel. This ratio is considered to be ideal for achieving a strong and durable concrete surface for Tremix flooring.

In addition to the 1-1/2-3 mix, some civil engineers may also recommend a water-cement ratio of 0.4 as it helps in achieving better workability and reducing the risk of cracking. However, this may vary based on the specific project requirements and site conditions.

It is important to note that the ratio for Tremix flooring may vary depending on the type of materials used, the thickness of the flooring, and the load-bearing capacity required. Therefore, it is essential to consult with a qualified civil engineer to determine the most suitable ratio for the specific project.

Furthermore, proper compaction and curing techniques should be followed to ensure the desired strength and finish of the Tremix flooring. This includes using proper equipment for compacting the concrete, providing adequate curing time and moisture level, and avoiding any damage to the surface during the curing process.

In conclusion, the 1:1.5:3 mix ratio for Tremix flooring is a commonly used and recommended standard by civil engineers. Following this ratio, along with proper compaction and curing methods, can help in achieving a durable and high-quality concrete flooring suitable for various applications.

Thickness of Tremix Flooring

Tremix flooring, also known as vacuum dewatered flooring (VDF), is a popular method of flooring used in industrial, commercial, and residential projects. It is a type of reinforced concrete flooring that is highly durable, uniform, and has a smooth finish. One of the key elements of a successful Tremix flooring is its thickness, which has a significant impact on its overall performance and quality.

The thickness of Tremix flooring is determined by various factors such as load-bearing capacity, type of traffic, and nature of the subgrade. Generally, the minimum thickness of Tremix flooring is 100 mm, and it can go up to 200 mm for heavy-duty applications. In some cases, the thickness may also vary based on specific project requirements, but it should never go below the minimum recommended thickness.

For general commercial and industrial applications, where light to medium traffic is expected, a thickness of 100 mm is considered sufficient. However, for heavy-duty industrial areas such as warehouses, manufacturing units, and loading docks, a minimum thickness of 150 mm is recommended. The thickness may also vary based on the type and intensity of traffic expected on the flooring. For example, a higher thickness would be required for forklift traffic compared to foot traffic.

Apart from the load-bearing capacity, the thickness of Tremix flooring also depends on the condition of the subgrade. Subgrade refers to the layer of natural soil or compacted earth on which the flooring is laid. If the subgrade is not stable, it can cause cracks and uneven settlement in the flooring. In such cases, a thicker layer of flooring is needed to provide more stability and prevent any future damage.

In conclusion, the thickness of Tremix flooring is a crucial aspect that must be carefully considered during the design and construction phase. It is recommended to consult with a structural engineer to determine the appropriate thickness based on the specific project requirements. A well-designed and properly executed Tremix flooring with the appropriate thickness can provide long-lasting and durable flooring for various applications.

Tool and Material Needed for Tremix Flooring

Tremix flooring is a type of concrete flooring commonly used in industrial and commercial settings. It involves pouring a concrete mixture directly onto the ground, and then using special tools and techniques to create a smooth, flat and durable surface. If you are planning to undertake a tremix flooring project, here are the necessary tools and materials that you will need:

1. Concrete Mixer: This is the most important tool needed for tremix flooring. A concrete mixer is used to thoroughly mix the cement, aggregate and water to create a homogenous concrete mixture.

2. Screed: A screed is a tool used to level and smooth the wet concrete while pouring it on the ground. It typically consists of a long, straight piece of wood or metal, which is dragged across the wet concrete to create a flat and even surface.

3. Power Trowel: A power trowel is a machine equipped with rotating blades that are used to further smooth and level the concrete surface. It is more efficient than a manual screed and can cover a larger area in a shorter amount of time.

4. Vibrator: A vibrator is used to remove any air pockets or voids from the concrete mixture, ensuring that the flooring is strong and durable. It is a handheld tool that is inserted into the wet concrete and vibrates to compact it.

5. Concrete Pump: In some cases, a concrete pump may be necessary to move the concrete mixture from the mixer to the site where it will be poured. This is especially useful for large and complex flooring projects.

6. Reinforcement Bars: Tremix flooring requires the use of reinforcement bars or rebar to add strength and prevent cracking. These bars are laid in a grid pattern within the concrete and are vital for the durability of the flooring.

7. Pre-Mixed Concrete: To save time and ensure consistency, it is recommended to use pre-mixed concrete for tremix flooring. This is also more convenient, as the concrete can be delivered directly to the site.

8. Other Materials: Depending on the specific project, you may also need other materials such as steel fibers for added strength and durability, sealing compounds to prevent dusting, and curing compounds to aid in the hardening process of the concrete.

It is important to ensure that all tools and materials are of good quality and in proper working condition before starting the tremix flooring project. Additionally, proper safety equipment should be used, such as gloves, boots, and safety glasses, to protect yourself and others on the site. With the right tools and materials, and proper techniques, a strong and long-lasting tremix flooring can be achieved.

Procedure for Tremix Flooring

Tremix flooring is a type of high-strength concrete flooring commonly used in industrial, commercial, and residential settings. It is known for its durability, high load-bearing capacity, and low maintenance requirements. The following is a step-by-step procedure for executing tremix flooring.

1. Site Preparation
Prior to starting the tremix flooring work, the site must be thoroughly cleared of any debris, vegetation, or loose soil. The area must be graded and leveled to ensure a uniform and flat surface.

2. Excavation and Compaction
The topsoil is excavated to a depth of at least 150 mm to allow for the installation of the sub-base. The sub-grade is then compacted using a roller or compactor machine to achieve a stable and dense surface.

3. Installation of Sub-base
A granular sub-base of crushed stone or gravel is laid over the compacted sub-grade. This layer provides additional support and prevents the concrete slab from settling or cracking. The sub-base is compacted again to achieve a uniform thickness of at least 100 mm.

4. Setting up Formwork
Formwork or shuttering is used to contain and shape the concrete during pouring. The formwork is made of wood, metal, or plastic and must be installed securely to ensure that the edges and corners of the slab are straight and well-defined.

5. Placing of Reinforcement
Steel reinforcement in the form of bars or mesh is placed as per the design and structural requirements. The reinforcement helps to strengthen the concrete and prevent cracks from forming.

6. Mixing and Pouring of Concrete
High-strength concrete with a minimum compressive strength of 25 MPa is typically used for tremix flooring. The concrete is mixed thoroughly in a batch plant and then delivered to the site using a concrete mixer truck. It is poured onto the prepared surface through a tremix nozzle for uniform distribution.

7. Leveling and Screeding
The poured concrete is spread and leveled using a straight edge or trowel. This process, known as screeding, ensures that the surface is flat and level. Any excess concrete is removed, and low areas are filled to achieve a consistent thickness.

8. Finishing
Once the concrete is placed and properly leveled, different finishing techniques can be used to achieve the desired look and surface texture. These include troweling, brooming, or using power float machines.

9. Curing
Curing is a critical step in the tremix flooring process as it helps to prevent cracking and improves the strength of the concrete. The surface is kept moist by covering it with wet hessian or polythene sheets for at least seven days.

10. Joint Cutting
Control joints are cut into the concrete slab to help reduce cracking caused by shrinkage. These joints are typically spaced at regular intervals and must be cut to a depth of at least one-quarter of the slab thickness.

11. Cleaning and Maintenance
Once the curing process is complete, the formwork is removed, and the surface is cleaned of any debris. The surface is then polished using a power trowel, and a sealant may be applied for added protection and a glossy finish.

In conclusion, tremix flooring is a complex and labor-intensive process that requires skilled labor and careful execution. Following the above procedure will ensure that the tremix flooring is of high quality, durable, and meets the desired design and structural requirements.

Advantages of Tremix Flooring

Tremix flooring, also known as vacuum dewatered flooring, is a modern flooring technique used in construction projects. It has gained widespread popularity among civil engineers due to its numerous advantages. In this article, we will discuss some of the major benefits of Tremix flooring.

1. High Strength and Durability: Tremix flooring is known for its high strength and durability. The process involves the use of heavy-duty vacuum pumps to remove excess water from the concrete, resulting in a dense and uniform surface. This makes it ideal for heavy traffic areas such as warehouses, industrial floors, and car parking lots.

2. Uniform and Crack-Free Surface: One of the biggest advantages of Tremix flooring is its ability to provide a smooth and crack-free surface. The vacuum dewatering process ensures that there are no voids or air pockets left in the concrete, resulting in a flawless and uniform finish.

3. Faster Construction: Tremix flooring can be installed quickly, which helps to reduce the overall construction time of a project. As the curing time is reduced, the floor can be opened for traffic in a shorter span of time. This makes it a preferred flooring option for projects with strict timelines.

4. Cost-Effective: In the long run, Tremix flooring can prove to be a cost-effective solution. Its high strength and durability result in reduced maintenance and repair costs, making it a popular choice among civil engineers.

5. Resistance to Chemicals and Abrasion: Tremix flooring is highly resistant to chemicals, oil spills, and abrasion. This makes it suitable for use in industries, warehouses, and other areas where exposure to chemicals and heavy machinery is common.

6. Easy to Clean and Maintain: Tremix flooring has a smooth and seamless surface, making it easy to clean and maintain. Regular cleaning with a damp mop or by pressure washing can keep the floor looking new for a longer period.

7. Versatility: Tremix flooring can be customized to suit the specific needs and requirements of a project. It can be finished with various toppings such as granite, marble, tiles, or epoxy to enhance its aesthetic appeal.

In conclusion, Tremix flooring offers a wide range of benefits for civil engineers, making it a popular choice for various construction projects. Its strength, durability, faster construction, and low maintenance make it a preferred flooring option for a variety of industrial and commercial applications. With its numerous advantages, Tremix flooring is undoubtedly a valuable addition to any construction project.

Disadvantages of Tremix Flooring

As a civil engineer, I have come across various types of flooring during my projects, and one type that comes with its share of drawbacks is Tremix flooring. While this flooring may have its advantages, it is essential to understand the disadvantages as well before selecting it for your project. So, in this article, I will be highlighting the disadvantages of Tremix flooring.

1. Limited Application Scope:
One of the significant drawbacks of Tremix flooring is its limited application scope. It is suitable for industrial and heavy-duty areas such as warehouses, factories, and container yards. In contrast, it is not a suitable option for residential or commercial areas as it is not aesthetically pleasing.

2. High Initial Cost:
Tremix flooring requires special equipment, materials, and skilled labor, making it a costly flooring option compared to conventional flooring methods. The initial cost of installing Tremix flooring can be a significant constraint for small-scale projects and can significantly impact the project budget.

3. Time-Consuming Installation Process:
The process of installing Tremix flooring is time-consuming, mainly due to its requirement of specialized machinery and skilled labor. The laying of lean concrete, spreading and leveling of concrete, and the use of a power trowel to finish the surface require careful planning and precision, which can result in project delays.

4. Prone to Cracking:
Despite being a durable and long-lasting flooring option, Tremix flooring is not entirely immune to cracking. Factors such as excessive load, temperature changes, and chemical exposure can lead to cracks in the surface, compromising its functionality and appearance.

5. Difficult Repairs:
If cracks or damages occur in Tremix flooring, it can be a challenging task to repair them. Since the flooring is a monolithic structure, patching or repairing a small area can be challenging and may result in unevenness or color mismatch.

6. Limited Design Options:
Tremix flooring is not a suitable option for those who want to add character and style to their space. It is a utilitarian flooring solution with limited design options, resulting in a dull and monotonous appearance.

In conclusion, Tremix flooring may offer durability, functionality, and strength, but it also comes with its share of limitations. Before opting for this type of flooring, it is essential to consider the disadvantages mentioned above and evaluate if it aligns with the requirements of your project.


In conclusion, Tremix flooring is a popular choice for industrial and commercial use due to its durability, strength, and resistance to heavy traffic and chemical spills. It offers a range of benefits such as cost-effectiveness, easy maintenance, and customization options. With proper installation and maintenance, Tremix flooring can last for decades, making it a worthwhile investment for any business or facility. Its versatility and wide range of applications make it a versatile and reliable choice for various industries. Overall, Tremix flooring is an excellent solution for high-traffic areas that require a robust and long-lasting flooring system.

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