How To Build Your Own Outdoor Brick Fireplace

How to Build Your Own Outdoor Brick Fireplace

An outdoor brick fireplace can be a beautiful and functional addition to any backyard. It provides a focal point for gatherings, warmth on chilly nights, and a place to cook delicious meals. Building your own fireplace can be a rewarding project, offering a sense of accomplishment and a unique personal touch to your outdoor space. While the process may seem daunting at first, with careful planning and adherence to the necessary steps, anyone with basic construction skills can create a stunning and durable fireplace.

1. Planning and Preparation

Before you begin construction, meticulous planning is crucial. Consider the following factors:

Location: Choose a level, stable area that is away from any flammable structures and overhangs. Ensure adequate clearance from surrounding vegetation.
Size and Shape: Determine the size and shape of your fireplace, considering the space available and the desired seating capacity.
Design: Decide on the aesthetic style and features you want to incorporate, such as a chimney, mantel, or hearth.
Materials: Select high-quality bricks and mortar specifically designed for outdoor use. Consider the color and texture of the bricks to complement your existing landscaping.
Fireplace Type: Choose between a traditional masonry fireplace or a more modern fire pit design. The type will influence the required construction techniques.
Permits: Check with your local building department to see if permits are required for your project.

Once you have a comprehensive plan, gather all the necessary tools, including a trowel, level, tape measure, hammer, and safety gear.

2. Foundation and Base Construction

A sturdy foundation is essential for a safe and stable fireplace. Follow these steps:

Excavate the area: Dig a hole at least 12 inches deep and slightly wider than the fireplace footprint.
Build the foundation: Pour a concrete foundation at least 4 inches thick and extend it beyond the fireplace edges. Reinforce it with rebar for added strength.
Create the base: After the concrete has cured, lay down a layer of firebrick or concrete pavers on top of the foundation for the fireplace base. Ensure the base is level and stable.

3. Building the Fireplace Walls

Building the fireplace walls requires precision and careful attention to detail:

Lay the first row of bricks: Apply a thin layer of mortar to the base and carefully lay the first row of bricks. Use a level to ensure they are straight and even.
Add subsequent rows: Continue laying brick rows, ensuring each brick is properly mortared and aligned with the previous row. Create any desired openings for the firebox.
Create the firebox: Build the firebox using firebrick, which can withstand high temperatures. Leave an opening for the flue at the top of the firebox.
Construct the chimney: Build the chimney above the firebox, using firebricks or chimney bricks. Ensure the chimney is tall enough to create sufficient draft.

As you build, use a level to ensure the walls are straight and plumb. Allow the mortar to cure completely before proceeding to the next steps.

4. Finishing Touches

Once the main structure is complete, add the finishing touches to create a beautiful and functional fireplace. Consider the following:

Mortar Joints: Use a tool to create a consistent and appealing finish for the mortar joints.
Hearth: Install a hearth in front of the fireplace, using firebricks or stone.
Mantel: Add a mantel for decorative purposes and to enhance the aesthetic appeal.
Fire Screen: Install a fire screen for safety and to prevent sparks from escaping.

Finally, finish any landscaping around the fireplace and enjoy your new outdoor haven.