Whether you’re building a garden wall, a small planter, or a backyard barbecue, the timeless appeal of brick adds character and durability to any project. The process of joining these classic building blocks might seem like a job reserved for professional masons, but with the right guidance and materials, it’s a skill that any determined DIY enthusiast can learn. Knowing how to stick bricks together properly is the key to creating a strong, stable, and long-lasting structure.
This guide will demystify the traditional method of using mortar, breaking it down into a clear, step-by-step process. From preparing your materials to applying the mortar and laying the bricks, you will learn the fundamental techniques needed for a successful project. Forget being intimidated by the idea of bricklaying; this article will give you the confidence to tackle your own small-scale masonry projects and build something you can be proud of.
Why Understanding How to Bond Bricks Is Essential
Properly bonding bricks is about more than just aesthetics; it’s fundamental to the structural stability and longevity of your project. A strong bond ensures that the structure can withstand pressure, weather, and the test of time.
Using the correct materials and techniques, like mixing mortar to the right consistency, prevents water from penetrating the joints, which can lead to cracking and deterioration, especially in freezing temperatures. Mastering this skill allows you to confidently tackle repairs and new construction, ensuring your brickwork is not only beautiful but also safe and durable for years to come.
8 Step-by-Step Guide: How to Stick Bricks Together
Step 1: Gather Your Construction Tools and Materials
Before you begin, assembling all your necessary construction tools and materials will make the process much smoother. You will need the bricks for your project, a bag of pre-mixed mortar, and clean water. For tools, you will need a wheelbarrow or a large bucket for mixing the mortar, a sturdy shovel or hoe, a brick trowel for applying the mortar, a level to ensure your courses are straight, and a jointer tool for finishing the mortar joints. It’s also wise to have a brush for cleaning off excess mortar and safety gear, including gloves and safety glasses.
Step 2: Prepare Your Work Area and Bricks
A clean and stable foundation is critical for any bricklaying project. Ensure the surface where you will be laying the bricks is level, clean, and free of debris. If you are building on soil, you may need to create a compact gravel or concrete footing. Next, prepare your bricks. Bricks are porous and can absorb water from the mortar too quickly, causing it to dry out and weaken the bond. To prevent this, lightly dampen the bricks with a hose or by dipping them in a bucket of water just before you use them. They should be damp, not soaking wet.
Step 3: Mix the Mortar to the Correct Consistency
Creating the right mortar mix is one of the most important steps in learning how to stick bricks together. Start by pouring some of the dry pre-mixed mortar into your wheelbarrow or bucket. Create a small well in the center of the pile and slowly add clean water.
Begin mixing with your shovel or hoe, gradually incorporating the dry powder from the sides into the water. Continue adding water in small amounts until the mortar reaches a smooth, workable consistency similar to thick peanut butter. It should be firm enough to hold its shape on the trowel without dripping.
Step 4: Apply the First Layer of Mortar
With your mortar mixed, it’s time for the adhesive application. Scoop up a generous amount of mortar onto your brick trowel. With a flick of the wrist, apply a full bed of mortar onto your foundation or the previous course of bricks where you will lay the next brick. The mortar bed should be about one inch thick and slightly wider than the brick itself. Use the tip of your trowel to create a shallow furrow down the center of the mortar bed. This helps the mortar spread evenly when you press the brick into it.
Step 5: Lay the First Brick
Carefully place the first brick onto the mortar bed, pressing down with firm, even pressure. Gently wiggle it back and forth to settle it into the mortar until the joint underneath is about 3/8 of an inch thick. Use your level to check that the brick is perfectly level from front to back and side to side. This first brick is your guide for the rest of the course, so it is essential that it is positioned correctly. Scrape away any excess mortar that squeezes out from the joint using the edge of your trowel.
Step 6: Butter the Next Brick and Continue the Course
This is a core part of bricklaying techniques. Pick up the next brick you will lay. Apply a layer of mortar to one end of it—this is called “buttering the head joint.” The amount of mortar should be enough to create another 3/8-inch joint when pressed against the previous brick. Firmly push the buttered end of this brick against the first brick you laid, while also pressing it down into the mortar bed below. This dual motion is a fundamental aspect of how to stick bricks together securely. Use your level to ensure it is aligned with the first brick.
Step 7: Check for Level and Alignment as You Go
Consistency is key to building a strong and visually appealing brick structure. After laying every few bricks, use your level to check that the course is straight and level. Lay the level across the tops of the bricks to check for horizontal alignment. Also, use the edge of your level to check that the faces of the bricks are flush and creating a flat vertical plane. Making small adjustments as you work is much easier than trying to fix a major error later on. This constant checking is a hallmark of professional masonry.
Step 8: Finish the Mortar Joints
Once the mortar has had some time to set—usually about 30 to 60 minutes—it will be firm enough to finish. This is the “thumbprint hard” stage, where you can press your thumb into it and leave a print without mortar sticking to your skin. Use your jointer tool to press and run along the mortar joints. This compacts the mortar, creating a stronger, water-resistant seal and a clean, professional appearance. There are different types of jointers that create different profiles, with a concave joint being the most common and effective for shedding water.
Frequently Asked Questions
What Is the Difference Between Mortar and Concrete?
Mortar is the “glue” used to bind bricks, blocks, or stones together. It is typically made from cement, sand, and lime. Concrete, on the other hand, is a structural material used for foundations, slabs, and posts. It is a mix of cement, sand, and a coarser aggregate like gravel. The key difference is that mortar is a bonding agent, while concrete is a building material in its own right.
Can I Use Construction Adhesive Instead of Mortar?
For small, non-structural, or decorative projects, a high-strength construction adhesive can be an alternative to traditional mortar. It is faster and less messy. However, for any project that needs to bear weight or withstand significant environmental stress, such as a load-bearing wall or a retaining wall, you must use mortar. Mortar not only bonds the bricks but also helps distribute the load evenly throughout the structure.
How Long Does Mortar Take to Cure?
Mortar begins to set within a few hours, but it takes much longer to fully cure and reach its maximum strength. While it may feel hard to the touch within 24 to 48 hours, the complete curing process can take up to 28 days. During this time, it’s important to protect the new brickwork from heavy rain, extreme temperatures, and any significant weight or pressure.
What Happens If My Mortar Mix Is Too Wet or Too Dry?
The consistency of your mortar is crucial.
- Too Wet: If the mix is runny, it will squeeze out of the joints too easily, create a mess, and result in a weak bond once cured.
- Too Dry: If the mix is crumbly, it will be difficult to apply and will not adhere properly to the bricks. This creates air pockets and weak joints that are prone to cracking and failure.
Aim for a smooth, buttery consistency that holds its shape on a trowel.
How Do I Clean Mortar Smears Off My Bricks?
It is best to clean up as you go, scraping off large clumps with your trowel. For the remaining smears, wait until the mortar is crumbly and then use a stiff-bristled brush to remove them. If you have dried mortar stains after the project is complete, you may need to use a specialized masonry cleaning solution or a diluted acid wash, but always test this on an inconspicuous area first and follow safety precautions.
Conclusion
Successfully learning how to stick bricks together is a gratifying skill that opens the door to a wide range of DIY projects, from simple garden borders to more ambitious outdoor structures. While it requires patience and attention to detail, the fundamental process is straightforward and achievable for anyone willing to learn. By following the steps of preparing your materials, mixing your mortar correctly, and carefully laying and checking your bricks, you can create durable, beautiful, and lasting brickwork.
Don’t be hesitant to start small and build your confidence. The satisfaction of building something tangible with your own hands is immense. Now that you have a solid understanding of the techniques involved, you are ready to take on your next brick project and add timeless character to your home or garden.