Building An Outdoor Fireplace With Cinder Block

Building an Outdoor Fireplace with Cinder Blocks

An outdoor fireplace is a fantastic addition to any backyard, providing warmth and ambiance for evening gatherings. While there are many options for constructing an outdoor fireplace, using cinder blocks is a cost-effective and relatively simple method. This article will provide detailed instructions for building a basic cinder block fireplace, guiding you through each step of the process.

Planning and Preparation

Before you begin constructing your fireplace, careful planning is essential for a successful outcome. Consider the following factors:

Location:

Choose a level and well-drained location for your fireplace. Ensure there is sufficient space for the structure and adequate clearance from any flammable materials. 2.

Size and Design:

Determine the desired size and shape of your fireplace. Consider the space available, the size of your gatherings, and the aesthetic you wish to achieve. 3.

Materials:

Cinder blocks are the primary material, but you will also need sand, mortar mix, a fire grate, a chimney cap, and any desired decorative elements. 4.

Permits and Inspections:

Check with your local building department for any necessary permits or inspections. This will ensure your fireplace meets local safety regulations.

Construction Steps

Once you have finalized your plan and gathered materials, you can begin the construction process. The steps involve laying the cinder blocks in a specific pattern to form the firebox, hearth, and chimney. These steps provide a basic framework for building a simple outdoor fireplace:

Laying the Foundation:

Begin by preparing a level base for the fireplace. A concrete pad is ideal, but a well-packed bed of gravel can also serve as a foundation. 2.

Building the Firebox:

Using a level and mortar mix, lay cinder blocks to create the rectangular firebox. Reinforce the corners with additional blocks for stability. 3.

Constructing the Hearth:

Lay a layer of cinder blocks across the front of the firebox to create the hearth. This provides a platform for seating or placement of a fire grate. 4.

Building the Chimney:

Stack cinder blocks vertically to form the chimney. Ensure the chimney is at least 10 feet tall to provide adequate draft. 5.

Installing the Fire Grate:

Place the fire grate inside the firebox, ensuring it is level and securely supported. 6.

Adding a Chimney Cap:

Install a chimney cap on top of the chimney to prevent rain and debris from entering. 7.

Finishing Touches:

Once the structure is complete, you can add finishing touches such as stone veneer, stucco, or a decorative mantle.

Safety and Maintenance

Safety is paramount when building and using an outdoor fireplace. Adhere to the following guidelines:

Proper Ventilation:

Ensure the fireplace is located in a well-ventilated area with adequate clearance from flammable materials. 2.

Fire Safety:

Always keep a fire extinguisher nearby and never leave a fire unattended. Use only dry, seasoned wood or clean, dry fuel sources. 3.

Chimney Maintenance:

Regularly inspect and clean the chimney to prevent the buildup of creosote, which can cause fires. 4.

Weather Protection:

Protect the fireplace from the elements by covering it during periods of inclement weather.

Building an outdoor fireplace with cinder blocks is a rewarding project that can enhance your backyard living space. By carefully planning and following these instructions, you can create a safe and functional fireplace for enjoying evenings with friends and family.