To Make Interlocking Bricks: Your Easy Step-by-Step Guide for Durable Bricks

Interlocking bricks offer several advantages, including reduced cement usage, enhanced structural strength, and improved energy efficiency. By using this guide, you'll not only save money but also contribute positively to the environment while enjoying the satisfaction of creating your building materials with your own hands.
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    If you’re looking for an eco-friendly and cost-effective solution for constructing walls or various structures, make interlocking bricks can be the answer you’re searching for. This step-by-step guide will provide you with valuable insights and tips to help you create your bricks the right way, making your construction project a success.

    Interlocking bricks offer several advantages, including reduced cement usage, enhanced structural strength, and improved energy efficiency. By using this guide, you’ll not only save money but also contribute positively to the environment while enjoying the satisfaction of creating your building materials with your own hands.

    Throughout this guide, we will cover essential topics, from the preparation of materials to the actual creation of the interlocking bricks. By following each step carefully, you’ll be on your way to crafting these practical and durable construction materials with ease and confidence.

    Materials and Tools

    In this section, we will cover the essential materials and required tools for making interlocking bricks. Let’s go through them step by step to ensure a smooth brick-making process.

    Essential Materials

    Here is a list of materials that you will need to make interlocking bricks:

    • Soil
    • Cement
    • Water
    • Plastic sheeting

    It’s important to use good quality soil and cement for better results. What type of soil should you use? Look for soil with a mix of clay and sand, as this will provide a strong yet flexible texture for your bricks.

    Required Tools

    Now that you know the materials needed, let’s discuss the tools required for making interlocking bricks:

    • Shovel
    • Wheelbarrow
    • Interlocking brick mold
    • Trowel
    • Bucket
    • Measuring tape

    Using a shovel and wheelbarrow, you will mix the soil, cement, and water. The interlocking brick mold is a crucial tool that shapes the bricks properly. A trowel will help spread the mixture evenly in the mold, and a bucket can be used to transport the mix. Lastly, a measuring tape is useful for ensuring uniform brick dimensions.

    Section 3: Preparing the Mix

    Now that you have a clear understanding of interlocking bricks, let’s explore how to prepare the perfect mix for making these bricks.

    Choosing the Right Soil

    First, it is crucial to choose the right soil for your interlocking bricks. Look for soil with a good amount of clay, as it helps in binding the bricks. Sandy soil will not be suitable.

    Here are a few simple steps to identify the ideal soil:

    • Perform a simple jar test by mixing soil and water in a jar to identify its clay content.
    • If the clay content is above 50%, it’s ideal for making bricks.
    • If it has less than 20% clay, consider adding more clay to achieve the optimum mix.

    Mixing with Cement

    Next, mix the soil with cement to provide additional strength to your bricks. A typical ratio is 3 parts soil to 1 part cement.

    A simple way to mix the materials is:

    1. Sift the soil to remove any rocks, stones, or debris.
    2. Measure the soil and cement according to the ratio.
    3. Pour the cement onto the soil and mix them together thoroughly.

    Adding Water

    Lastly, add water to the soil-cement mixture to create a dough-like consistency. The mixture should not be too wet, as excess water can weaken the bricks.

    Follow these steps to achieve the right consistency:

    1. Slowly pour water into the mix while stirring continuously.
    2. Check the consistency by forming a ball with the mixture. If it doesn’t fall apart, the mix is ready.
    3. Adjust the water amount if necessary to ensure the mixture is not too dry or too wet.

    With the right mix prepared, you can now move on to creating the interlocking bricks themselves. Just follow the remaining steps in the guide to learn how to mold, dry, and assemble these bricks for various applications.

    Molding the Bricks

    Using Interlocking Brick Molds

    First, select the correct interlocking brick molds. These molds have unique shapes that will allow the bricks to fit together snugly. Ensure the molds are clean and free from debris.

    Filling and Pressing

    Next, prepare the brick mixture. A common mixture consists of:

    • 1 part cement
    • 5 parts soil
    • 1 part water

    Mix the materials well to create a smooth and consistent texture. Fill the molds with the mixture, making sure they are completely filled and there are no air pockets.

    Now it’s time to press the bricks. Using a manual or hydraulic brick-pressing machine, apply steady and even pressure. This will compact the mixture and help create durable bricks.

    Removing the Bricks

    After pressing, carefully remove the bricks from the molds. Be gentle, as the bricks will still be soft and could crack if handled roughly. Allow the bricks to air-dry for about 24 hours.

    Finally, stack the bricks in a shaded area to dry further. This may take a few days or up to a week, depending on your local climate. Once the bricks are fully dry, they are ready to be used in your construction project.

    Curing Process

    The curing process plays a crucial role in making strong and durable interlocking bricks. This section will cover the initial drying, curing time, and ideal conditions for the bricks to cure.

    Initial Drying

    Once the bricks are shaped, they must be left to dry initially. Place the bricks in a shaded area, away from direct sunlight, to avoid cracks caused by rapid drying. Make sure they are well-spaced to allow for good airflow. Move on to the next step after they have dried partially, which usually takes 24-48 hours.

    Curing Time

    After the initial drying, it’s time for the main curing stage. This involves keeping the bricks in a moist environment for a specific period for them to gain their full strength. The recommended curing time for interlocking bricks is generally:

    • Concrete bricks: 7-14 days
    • Clay bricks: 14-21 days

    Note that the exact curing time may vary depending on the type and composition of the bricks.


    The most effective curing conditions involve maintaining constant humidity around the bricks. Here is a simple step-by-step guide for ensuring optimal conditions:

    1. Stack the bricks with small gaps between them to allow circulation of air.
    2. Cover the stacked bricks with plastic sheets, leaving an opening for air circulation.
    3. Use a water spray to keep the area under the plastic sheet moist, but not soaked.
    4. Monitor the humidity and moisture to ensure consistency throughout the curing period.

    By following these steps and diligently maintaining the ideal curing conditions, your interlocking bricks should turn out strong and durable.

    Building with Interlocking Bricks

    Planning Your Structure

    Before you start building with interlocking bricks, design a layout of your structure. Measure and mark the area where you want to build. Create a detailed plan considering doors, windows, and any other openings needed.

    Laying the First Course

    Prepare the foundation by making it level and firm. Start by placing the first-brick in one corner of your foundation. Ensure the bricks are interlocked properly and use a level to check that they are straight. Continue laying bricks along the edges of your foundation until the first course is complete.

    Stacking Additional Courses

    Once the first course is set, start stacking additional courses. To create a stable structure, stagger the bricks on each level by placing them on the joints of the bricks below. Check the level and alignment of each course as you go. If needed, use a rubber mallet to adjust the bricks into place.

    Finishing Touches

    After completing the required number of courses, add any finishing touches to your structure. Install window and door frames, and fill any gaps in the walls with mortar. Allow the structure to cure for several days to ensure it is strong and sturdy.

    Section 7: Advantages and Disadvantages

    Let’s explore the pros and cons of using interlocking bricks in construction projects.

    Pros of Interlocking Bricks

    Interlocking bricks have several advantages that make them an excellent choice for construction:

    • Easy to assemble: The interlocking shapes allow them to fit together easily, making the construction process faster and simpler.
    • Cost-effective: These bricks are often less expensive than traditional bricks, saving money on building materials.
    • Environmentally friendly: Many interlocking bricks are made from recycled materials, which helps reduce waste and is beneficial for the environment.
    • Durable: Interlocking bricks are designed to last a long time, providing a strong and sturdy structure.

    Cons of Interlocking Bricks

    Despite their advantages, interlocking bricks also have some disadvantages to consider:

    • Limited designs: The design options for interlocking bricks may be more limited compared to traditional bricks, which could affect the appearance of the finished product.
    • Less insulation: These bricks might not provide as much insulation as traditional bricks, making temperature control more challenging for indoor spaces.
    • Less common: Since interlocking bricks are not as widely used, it might be more difficult to find contractors with experience in their installation.

    By understanding the advantages and disadvantages of interlocking bricks, you can make an informed decision about whether they are the right choice for your next construction project.

    Lontto Interlocking Brick Machine

    Have you ever wondered how interlocking bricks are made? In this section, we’ll focus on the Lontto Interlocking Brick Machine and how it works. This is an easy-to-use machine designed to create strong, durable bricks.

    First, let’s look at the main features of the Lontto machine:

    • Easy operation
    • High production capacity
    • Wide range of brick designs
    • Environmentally friendly

    So, how does the Lontto machine work?

    The process starts with raw materials like clay, sand, and cement. These materials are mixed with water to form a paste. The paste is then placed into the machine’s molds, which come in various shapes and sizes to create different types of interlocking bricks. Once the molds are filled, the machine applies pressure to form the bricks. Finally, the bricks are left to dry and harden.

    What sets the Lontto machine apart from others?

    It offers a variety of brick designs, allowing you to create unique patterns for your construction project. Also, the machine is easy to operate, ensuring efficiency and high production capacity. This makes the Lontto Interlocking Brick Machine a great choice for both professionals and beginners in the field of brick making.


    In this step by step guide, we have explored the process of making interlocking bricks. Interlocking bricks are an economical and environmentally friendly alternative to traditional bricks, and they have become increasingly popular due to their ease of use and durability.

    Some key points to remember are:

    • Choose the right soil composition for the bricks: ensure it has clay content between 35% and 50%.
    • Prepare the soil by pulverizing and sifting. This step removes any unwanted debris and ensures even mixing.
    • Add a stabilizer, such as cement or lime, to increase the brick’s strength and durability.
    • Form the bricks using an interlocking brick mold. This shape ensures that the bricks fit together properly and are stable once assembled.
    • Cure the bricks by placing them in the shade for 2-4 weeks, allowing them to harden properly.

    By following these steps, you can create interlocking bricks for your building projects. Is there any additional information or guidance you need? Remember to be patient, ask questions, and seek expert advice if you are unsure about any part of the process. Making interlocking bricks can be a rewarding and cost-effective way to build and improve your living space, and we hope this guide has been helpful in your journey.

    Zhang Chao from Lontto Group

    Zhang Chao from Lontto Group

    I've been in the building materials industry for 15 years, focusing on brick machines and clay production. My experience in the field and passion for the work have been crucial to my career success. I strive to provide top-quality products and services to my customers and continuously seek to innovate in this field.


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