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South Africa's Leading Supplier of QUALITY READYMIX CONCRETE & OTHER PRODUCTS. Welcome to Rockblend, your trusted partner in ready mix solutions. With our commitment to quality, reliability, and innovation, we are dedicated to delivering superior concrete products and services for your construction projects.

PRE- MIX CONCRETE BAGS

Pre-Mix Concrete

Pre-Mix Concrete

All in one Concrete mix, contains stone, sand & 42,5R cement.

40KG

Pre-Mix Building

Pre-Mix Building

Easy to use, all in one Building mix, contains building sand & 42.5 cement.

40KG

Pre-Mix Screed

Pre-Mix Screed

Easy to use, all-in-one Screed mix, contains washed river-sand & 5kg cement.

40KG

Pre-Mix Plaster

Pre-Mix Plaster

Easy to use, all in one Plaster mix, contains plaster sand & 5kg cement.

40KG

Pre-Mix Aggregates

Pre-Mix Aggregates

Filled with Aggregate (13mm stone or sand of choice.)

40KG

Pre-mixed concrete bags are convenient and popular options for small construction projects or DIY enthusiasts who require concrete in a ready-to-use form. Here are some benefits of using pre-mixed concrete bags:

  1. Convenience: Pre-mixed concrete bags eliminate the need to purchase and mix raw materials like cement, aggregates, and additives separately. The bag contains a precisely measured mix of these components, making it convenient for users.
  2. Time-saving: Mixing concrete from scratch can be time-consuming, especially if you’re not experienced. Pre-mixed concrete bags save time since you don’t have to spend effort on measuring and blending the ingredients. Simply add water, mix it, and you’re ready to go.
  3. Consistency: The pre-mixed concrete bags are formulated to ensure consistency in the mix. The manufacturer follows specific guidelines and quality control measures to maintain a uniform blend, resulting in a consistent quality of concrete.
  4. Accuracy: The mix proportions in pre-mixed concrete bags are predetermined and optimized, ensuring the right balance of cement, aggregates, and other additives. This accuracy helps achieve the desired strength and durability of the concrete.
  5. Reduced Waste: Buying pre-mixed concrete bags helps minimize waste since you only purchase the exact quantity required for your project. This is particularly beneficial for small projects where you may not need large amounts of concrete.
  6. Portability: Pre-mixed concrete bags are lightweight and easy to transport compared to bulk materials. You can carry them in your vehicle or even hand-carry them to the construction site, making them suitable for remote or hard-to-reach locations.
  7. Beginner-friendly: For individuals without much experience in concrete mixing, pre-mixed bags offer a user-friendly solution. They provide clear instructions on how much water to add and how to mix, making it accessible for beginners.
  8. Versatility: Pre-mixed concrete bags are available in various formulations for different applications, such as general-purpose concrete, Building, Screed, Plaster or Mixed Aggregates. This versatility allows you to choose the right mix for your specific project requirements.

Despite their advantages, it’s worth noting that pre-mixed concrete bags are typically more expensive per unit compared to buying raw materials in bulk. However, the convenience, time-saving, and consistent results they offer often make them a preferred choice for small-scale projects or when immediate access to concrete is needed.

PRE- MIX (MINING)

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ShotCrete

Shotcrete, also known as sprayed concrete, is a specialized method of applying concrete that involves spraying or projecting concrete mix at high velocity onto a surface. This technique is used to construct or repair various structures, particularly those with complex shapes, such as tunnels, retaining walls (Gabion), swimming pools, and other underground or overhead structures.

  • Dry-mix shotcrete: The dry ingredients (cement and aggregates) are separately placed into the nozzle. Compressed air conveys the dry mix through the hose, and water is added at the nozzle to hydrate the mix and create the wet concrete as it is applied to the surface.
  • The Crete mix is made according to Mine Specifications and Strength requirements on site (20-70 Mpa). Open time and workability could be modified to suit customer requirements.
  • 20-40kg Bags
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Wetcrete

Wetcrete, also known as sprayed concrete, is a specialized method of applying concrete that involves spraying or projecting concrete mix at high velocity onto a surface. This technique is used to construct or repair various structures, particularly those with complex shapes, such as tunnels, retaining walls (Gabion), swimming pools, and other underground or overhead structures.

  • Wet-mix shotcrete: In this method, the ingredients (cement, aggregates, water, and additives) are pre-mixed before being pumped through the hose. At the nozzle, the ready-mixed concrete is mixed with compressed air, and then it is sprayed onto the surface.
  • The Crete mix is made according to Mine Specifications and Strength requirements on site (20-70 Mpa). Open time and workability could be modified to suit customer requirements.
  • 20-40kg Bags

Pre-Mix (40-70Mpa)

The Concrete mix is made according to Mine Specifications and Strength requirements on site (40-70 Mpa).

  • This is for underground mine floors, Industrial floors and heavy traffic roads.
  • Specialized applications that require exceptional strength and durability may benefit from using 40-70 MPa concrete. Examples include blast-resistant structures and protective barriers.
  • Docks, piers, and other marine structures are exposed to harsh environments, including mine water, chemicals, seawater and waves. High-strength concrete helps enhance the durability and longevity of these structures.
  • In nuclear power plants, high-strength concrete is used for containment structures and radiation shielding due to its excellent durability and resistance to radiation.
  • 20-40kg Bags
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