So there you were, sitting on your back porch, enjoying your Rice Krispies and bourbon, when you got the brilliant idea to make a poured concrete fire pit. The only problem? You had absolutely no experience in pouring concrete outdoors. But hey, who needs experience when you have determination and a YouTube tutorial? You dove headfirst into the project, cutting plywood forms, assembling them into the desired shape, and even adding a wood-grain patterned material to line the inside. After mixing and pouring the concrete, adding fire bricks, and letting it all cure, you were left with a beautiful, ready-to-use fire pit. Now all that’s left is to wait a month before testing it with fire. Who knew that a simple idea on a lazy afternoon could lead to such a rewarding DIY project?
In this captivating video by Bourbon Moth Woodworking, we join Jason on his journey of making a concrete fire pit the right way. Although he had never poured concrete outdoors before, he took on the challenge with enthusiasm and determination. From cutting the plywood forms to vibrating the concrete and adding fire bricks, Jason took careful steps to ensure the final result is not only functional but also aesthetically pleasing. With a month of anticipation ahead, Jason is excitedly waiting to test out his creation and enjoy cozy evenings around the fire. Tune in to his video to witness his creative process and maybe find inspiration for your own concrete fire pit project!
Choosing the Right Location
Consider safety and local regulations
When choosing the location for your concrete fire pit, it’s important to prioritize safety. Ensure that the area is at a safe distance from any flammable materials such as trees, shrubs, or bushes. Additionally, check your local regulations to determine if there are any specific guidelines or permits required for constructing a fire pit in your area. Adhering to these regulations will ensure that you can enjoy your fire pit without any legal issues or safety concerns.
Check for underground utility lines
Before beginning any excavation for your fire pit, it’s crucial to check for the presence of any underground utility lines. Contact your local utility company to have them mark the location of any gas, water, or electrical lines. Digging into these lines can be extremely dangerous and costly. By taking this step, you can ensure the safety of yourself and your property.
Ensure proper ventilation
Proper ventilation is essential when it comes to fire pits. The smoke and gases produced by the fire need to be able to escape efficiently to minimize the risk of smoke inhalation or buildup of dangerous gases. Choose a location for your fire pit that allows for adequate airflow and ventilation. This could be an open area in your backyard or a spot that is not surrounded by walls or structures. Always prioritize safety and ensure that your fire pit has proper ventilation.
Evaluate proximity to structures
When selecting the location for your concrete fire pit, consider the proximity to any nearby structures. Ensure that there is enough space between the fire pit and any buildings, fences, or other structures to prevent the risk of heat damage or accidental fires. It’s important to prioritize safety and choose a location that minimizes the risk of any potential hazards.
Designing the Fire Pit
Decide on the shape and size
Before starting the construction of your concrete fire pit, it’s important to decide on the shape and size that you want. Consider the available space in your backyard and choose a shape that fits well with the overall aesthetics of your outdoor area. Additionally, think about the size of the fire pit and how many people it should comfortably accommodate. Planning ahead will ensure that you end up with a fire pit that meets your needs and is visually appealing.
Create a blueprint or sketch
Once you have decided on the shape and size of your fire pit, it’s helpful to create a blueprint or sketch. This will serve as a visual guide throughout the construction process and help you stay organized. Include all the measurements and details in your blueprint so that you have a clear plan to follow. This will also make it easier to gather the necessary materials and tools.
Gather necessary materials and tools
Before you can start building your concrete fire pit, make sure you have all the necessary materials and tools. This will include plywood for the forms, 2x4s for the frame, wood grain patterned material for the inside of the forms, concrete mix, fire bricks, adhesive, a jigsaw, measuring tape, screws, and a screwdriver. Gather everything you need before you begin to ensure a smooth construction process.
Creating the Forms
Measure and cut plywood pieces
To create the forms for your concrete fire pit, start by measuring and cutting the plywood pieces. Use the measurements from your blueprint or sketch to cut the plywood into the desired shapes. Take your time and ensure that the cuts are accurate and precise.
Assemble the forms using 2x4s
Once you have the plywood pieces cut, it’s time to assemble the forms using 2x4s. Place the plywood pieces in the desired shape and size, and then use the 2x4s to secure them together. Attach the 2x4s to the plywood using screws, making sure they are firmly in place. This will create the structure for your concrete fire pit.
Attach wood grain patterned material to the inside of the forms
To prevent the concrete from leaking out of the forms and to add a decorative touch, attach wood grain patterned material to the inside of the forms. Cut the material into strips and attach them securely to the plywood using screws or adhesive. This will give your fire pit a unique and visually appealing look.
Mixing and Pouring Concrete
Calculate the amount of concrete needed
Before mixing the concrete, it’s crucial to calculate the amount needed for your fire pit. Follow the instructions provided by the manufacturer and make sure you have enough concrete to fill the forms. This will prevent any delays or incomplete construction.
Mix the concrete following manufacturer’s instructions
Once you have determined the amount of concrete needed, follow the manufacturer’s instructions to mix it properly. Use a concrete mixer or a wheelbarrow and a shovel to mix the concrete thoroughly. Make sure it reaches the desired consistency, which should be similar to thick pancake batter.
Pour the concrete into the forms
With the concrete mixed, it’s time to pour it into the forms. Start by pouring a small amount of concrete into the forms and use a trowel to spread it evenly. Continue pouring the concrete and spreading it until the forms are completely filled. Smooth the surface of the concrete using a trowel or a float.
Vibrate the concrete to remove air bubbles
To ensure that the concrete is solid and without any air bubbles, vibrate it using a concrete vibrator. Insert the vibrator into the poured concrete, moving it around slowly to remove any trapped air. This will help the concrete to set properly and prevent any weak spots or voids.
Ensure all spaces are filled
While pouring and vibrating the concrete, pay close attention to any corners or edges to ensure that all spaces are completely filled. Use a trowel or a float to push the concrete into any gaps or crevices. This will result in a strong and sturdy fire pit that is free from any structural issues.
Adding Fire Bricks
Place fire bricks in desired pattern
After the concrete has been poured and leveled, it’s time to add fire bricks to the fire pit. Arrange the fire bricks in the desired pattern, such as a circular or square shape. Make sure there are no gaps between the bricks and that they fit tightly together.
Ensure fire bricks are properly supported
To ensure the longevity of your fire pit, it’s important to properly support the fire bricks. Use adhesive to secure the fire bricks in place, ensuring that they are firmly attached to the concrete. This will prevent any movement or shifting of the bricks over time.
Secure fire bricks in place with adhesive
Apply the adhesive to the back of each fire brick and press it firmly onto the concrete surface. Make sure the adhesive is spread evenly across the entire back surface of the brick. Continue this process until all the fire bricks are securely in place. Allow the adhesive to dry according to the manufacturer’s instructions before moving on to the next step.
Curing the Concrete
Cover the concrete with a plastic sheet
To allow the concrete to cure properly, cover it with a plastic sheet. This will help to retain moisture and regulate the temperature, creating the ideal conditions for curing. Make sure the plastic sheet completely covers the fire pit and is secured in place to prevent any unwanted exposure to the elements.
Allow the concrete to cure for at least 28 days
Curing is a critical step in the construction process of a concrete fire pit. It allows the concrete to fully harden and gain strength. It’s important to allow the concrete to cure for at least 28 days before using the fire pit. During this time, avoid placing any heavy objects on the concrete or subjecting it to excessive moisture.
Avoid disturbing the curing process
While the concrete is curing, it’s important to avoid disturbing the process. Do not remove the plastic sheet or apply any pressure to the concrete. Any disturbance can affect the integrity of the concrete and compromise the strength of your fire pit. Patience is key during the curing process.
Removing the Forms
Carefully remove the plywood forms
Once the concrete has cured for the recommended period, it’s time to remove the plywood forms. Carefully unscrew or uncouple the forms, taking extra care not to damage the concrete. If any resistance is encountered while removing the forms, gently tap the sides with a rubber mallet to loosen them.
Clean up any excess concrete or debris
After the forms have been removed, clean up any excess concrete or debris that may be present. Use a wire brush or a scraper to remove any rough or uneven areas on the surface of the fire pit. This will ensure a smooth and polished finish.
Smooth and sand the edges of the fire pit
To give your fire pit a polished and finished look, smooth and sand the edges. Use sandpaper or a grinding tool to carefully smooth any rough or jagged edges. This will not only improve the appearance of your fire pit but also prevent any injuries from sharp edges.
Final Touches
Apply a concrete sealer for protection
To protect your concrete fire pit from the elements and enhance its durability, apply a concrete sealer. Choose a sealer that is specifically designed for outdoor use and follow the manufacturer’s instructions for application. The sealer will help to prevent moisture absorption and prolong the lifespan of your fire pit.
Paint or stain the fire pit for desired look
If desired, you can paint or stain your concrete fire pit to achieve the desired aesthetic. Choose a paint or stain that is heat-resistant and suitable for outdoor use. Apply the paint or stain according to the manufacturer’s instructions, ensuring full coverage and an even finish.
Install a fire pit screen or cover for added safety
For added safety and protection, consider installing a fire pit screen or cover. This will prevent embers from flying out of the fire pit and reduce the risk of accidental fires. Choose a screen or cover that fits securely over your fire pit and follow the installation instructions provided.
Testing the Fire Pit
Wait for a month after construction before using the fire pit
After completing the construction of your concrete fire pit, it’s important to wait for at least a month before using it. This will allow the concrete to fully cure and reach its maximum strength. Patience during this period will ensure that your fire pit is safe and functional in the long run.
Start with small fires and gradually increase the size
When testing your fire pit for the first time, start with small fires and gradually increase the size. This will allow you to assess the functionality and performance of the fire pit before fully utilizing it. Keep a close eye on the fire pit during the initial use and make any necessary adjustments or modifications.
Monitor the fire pit for any signs of damage or instability
As you start using your fire pit, it’s important to regularly monitor it for any signs of damage or instability. Check for cracks in the concrete, loose fire bricks, or any other issues that may compromise the safety or functionality of the fire pit. Address any concerns promptly to ensure safe usage.
Conclusion
Building a concrete fire pit may seem like a daunting task, especially if you have no prior experience. However, by following the right steps and taking the necessary precautions, you can successfully create a safe and functional fire pit. Remember to prioritize safety, plan ahead, and adhere to local regulations. Enjoy your finished fire pit responsibly and regularly maintain it to ensure continued enjoyment for years to come.
