How to Build a Brick BBQ With Chimney

Imagine turning your backyard into the ultimate outdoor cooking haven—a place where you’re surrounded by warmth, laughter, and irresistible smoky flavors.

An impressive brick BBQ with a chimney not only adds value to your property but also takes grilling experiences to another level.

Whether you’re an ambitious DIY enthusiast or want to hone your masonry skills, this comprehensive guide on how to build a brick BBQ with a chimney will walk you through every step of the process, from selecting materials and planning the design all the way down to adding those personalized finishing touches.

Key Takeaways

  • Choosing high-quality materials such as refractory or firebricks and weather-resistant mortar is crucial for building a long-lasting brick BBQ with a chimney.
  • Proper planning includes selecting the perfect location, determining the size and shape of your BBQ, and constructing a strong foundation with rebar reinforcement and cement blocks.
  • Building up the walls using bricks with mortar while ensuring proper ventilation through an appropriately sized chimney is key. Apply a waterproof coating to protect against water damage and attach accessories securely to the base.

Planning And Preparation For Your Brick BBQ

To properly plan and prepare for your brick BBQ, you’ll want to choose the right materials, select the perfect location, and determine the size and shape of your BBQ.

Choosing The Right Materials

Selecting the best materials for your brick BBQ with chimney is crucial, as it directly impacts both the project’s success and the longevity of your outdoor cooking space.

Start by opting for high-quality bricks that can withstand high temperatures and harsh weather conditions. Refractory or firebricks are excellent choices, as they provide superior heat resistance compared to regular bricks.

Don’t forget about other essential components, such as a durable grill grate made from stainless steel or cast iron, which will maintain even heat distribution while minimizing rust buildup.

For your chimney construction, invest in a flue lining (preferably clay or ceramic) that supports proper smoke ventilation without succumbing to thermal stress.

Selecting The Perfect Location

Before starting to build your brick BBQ with chimney, selecting the perfect location is key. It’s important to consider factors such as access to utilities, wind direction, and proximity to combustible materials.

You also want to ensure that the location provides adequate space for both cooking and entertaining while also being comfortable and convenient for you and your guests.

By taking these factors into consideration, you’ll be able to select a location that not only meets practical requirements but also helps create a functional and enjoyable outdoor space where you can entertain family and friends while enjoying delicious grilled meals.

Determining The Size And Shape Of Your BBQ

Before you begin building your brick BBQ, it’s crucial to determine the size and shape that will work best for your outdoor space. Consider how many people you typically cook for and what type of cooking style you prefer.

A larger BBQ with more surface area may be ideal for hosting big gatherings, while a smaller one may suffice for intimate family meals.

To help visualize and plan out the size and shape of your brick BBQ, consider using markers or string to outline the area on the ground where it will be situated. This can help ensure that enough space is allotted for not just the grill itself but also adequate space around it for prep work and entertaining guests.

Building The Foundation And Base

To start building the foundation and base for your brick BBQ, prepare the surface by leveling the ground and removing any debris. Then, pour a concrete foundation with rebar to increase stability and strength.

Preparing The Surface

Before laying the foundation for your brick BBQ, it is crucial to prepare the surface properly. Begin by clearing away any debris and leveling the ground where you want your BBQ to sit.

Once cleared, compact the soil with a tamper or plate compactor. This will help prevent settling later on.

Additionally, if you plan on building on an existing patio or concrete slab, make sure to clean and roughen up the surface before proceeding further. A smooth surface can cause adhesion issues when attaching bricks or cinder blocks with adhesive glue or mortar.

Pouring The Concrete Foundation With Rebar

The foundation is an essential part of any brick BBQ, and it needs to be strong enough to support the weight of your structure. To create a sturdy foundation for your BBQ, you’ll need concrete and rebar.

First, make sure that the surface is level where you plan to build. Dig down into the soil anywhere from 4-6 inches deep and then spread a layer of gravel before placing reinforcement metal bars or rebar crisscrossing each other as required by your local building code.

Then you’re ready to mix the cement according to instructions on the bag until it’s thick, but not too stiff.

Once set up for at least 24 hours following manufacturer guidelines (usually between two days and one week), put concrete blocks on top of that foundation using mortar in-between them so they can lock together tightly, creating a solid base for constructing your barbecue pit upon!

Constructing The Base With Concrete Blocks

The foundation and base of your brick BBQ are the key to its stability and longevity. Once you have leveled the ground, poured a concrete footing with rebar reinforcement, it’s time to lay out the cement blocks.

When laying the first row of blocks, ensure they are level, using a mallet and level to adjust as needed. Use construction adhesive or mortar as “glue” between each block layer for extra stability.

It’s best to keep building up one block at a time until your base is high enough for the grill top height you’ve selected.

Once complete, double-check that everything is square before adding any additional layers on top of this base structure.

Constructing The BBQ Pit And Chimney

Start by laying the first course of bricks with a thin layer of mortar. Build up the walls of the BBQ pit, alternating corners to create stability and using masonry skills to arch over the opening.

Leave a space in the middle for ventilation as you use standard or larger bricks to build up the chimney.

Laying The First Course Of Bricks

To begin building your brick BBQ, you’ll need to start with laying the first course of bricks. Start by measuring and marking where you want the edges of your grill pit to be.

Then, lay a layer of gravel where the foundation will go for drainage purposes.

Ensure that each brick is level as you lay them end-to-end along the marked line. Use a spirit level to make sure they are even and adjust any unevenness immediately.

Building Up The Walls Of The BBQ Pit With Bricks And Mortar

Now that you’ve laid the foundation and base for your brick BBQ, it’s time to start building up the walls of the pit with bricks and mortar. Begin by laying down the first course of bricks on top of the base, making sure they are level and even.

Remember to stagger each layer of bricks so that they interlock and provide extra stability to your BBQ pit. As you work your way upward, keep a spirit level handy at all times to ensure that everything is perfectly aligned.

And don’t forget about ventilation. Leave some space between some upper-level bricks near one side for smoke ventilation before installing a drainage system connected with drain pipes at its base.

Installing The Chimney With Appropriate Materials

When it comes to building a brick BBQ with chimney, choosing the right materials for your chimney is crucial. You want to ensure that you use durable and heat-resistant components so that your chimney can withstand the intense heat generated during barbecuing.

Some of the appropriate materials you could use when installing your chimney include clay flue tiles or stainless steel chimney liners.

Another important consideration when installing a chimney is its size and location. Your chimney should be proportional to the size of your barbecue pit and located at least two feet above the grill surface to allow proper ventilation, prevent smoke from entering nearby buildings, and reduce fire hazards.

In summary, when installing a brick BBQ with a chimney, choose appropriate materials such as clay flue tiles or stainless steel liner based on their durability and heat resistance properties; do not forget about sizing up according to drawings/measurements while ensuring proper distance controls are in place—keeping safety always top-of-mind throughout this exciting project!

Adding Finishing Touches And Safety Precautions

Apply a waterproof coating to the exterior of the BBQ, ensuring that it is well-sealed against water damage. Attach a grill and other accessories, making sure they are properly supported on the base.

Applying A Waterproof Coating To The Exterior Of The BBQ

To protect your brick BBQ from the elements and keep it looking great for years to come, applying a waterproof coating is an essential step. There are various types of coatings available, including spray-on sealants and brush-on liquids.

Before you begin applying the waterproof coating, make sure that the surface of your brick BBQ is completely dry and free from any dirt or debris. Apply the coating in thin, even layers with a paintbrush or roller, starting at the top of the structure and working your way down.

It’s important to ensure complete coverage to prevent any water seepage into the bricks. Once dry, check for any missed spots and reapply as necessary.

Adding A Grill And Other Accessories

Now that your brick BBQ is taking shape, it’s time to think about adding a grill and other essential accessories. The most popular option is a wood-burning grill for that authentic smoky flavor, but you can also choose gas or electric grills if preferred.

Consider the size of the cooking area you need based on your entertaining needs and how many people you plan to cook for regularly.

When choosing your grill and accessories, ensure that they are compatible with your brick BBQ design so that they fit perfectly into the space provided without hindering ventilation or creating fire hazards.

Ensuring Proper Ventilation And Safety Precautions

Proper ventilation is crucial when building any type of outdoor cooking structure, and a brick BBQ with a chimney is no exception. Without proper ventilation, smoke can accumulate inside the BBQ pit and cause health hazards or even pose a fire risk.

When planning your brick BBQ, it’s important to design the chimney in such a way that allows for optimal airflow. This means ensuring that the opening of your chimney is not obstructed by anything and making sure that there are no gaps or cracks in the bricks around the flue.

In terms of safety precautions when building your brick BBQ, it’s essential to use heat-resistant materials such as firebricks and refractory mortar. These materials can withstand high temperatures without cracking or crumbling over time.

You should also take care to ensure that all electrical wiring and gas lines are installed correctly and checked regularly for leaks.

Tips And Tricks For Building A Successful Brick BBQ

When building a brick BBQ with chimney, use standard or larger bricks to build up the chimney and leave a hole in the middle for smoke ventilation. Use mortar to bind the bricks together and ensure proper drainage by including a drain pipe in your foundation.

Always keep fire safety top of mind by installing appropriate ventilation and using waterproof coating on the exterior of your BBQ pit.

Using Standard Or Larger Bricks To Build Up The Chimney

The chimney is an essential part of your brick BBQ, as it helps to direct smoke and heat away from the cooking area. When building the chimney, using standard or larger bricks can provide better stability and durability than smaller ones.

Standard bricks are approximately 8 inches long, while larger bricks called “jumbo” or “engineer” sizes can be up to 12 inches in length.

Using these larger bricks may not only make construction easier but also give your chimney a more substantial appearance. Additionally, having a wider opening for your chimney can facilitate better ventilation and ensure that smoke is properly directed away from cooking surfaces.

Remember to always use mortar when binding the bricks together; this will help keep them in place for years to come.

Leaving A Hole In The Middle Of The Chimney For Smoke Ventilation

One important feature of your brick BBQ with chimney is the hole in the middle of its chimney. This serves as an opening for smoke ventilation, ensuring that you get the best flavor and tenderness from your meat.

To create this hole, use standard bricks to build up the walls of your chimney, leaving a gap between them to serve as an opening.

It’s important to remember that when building a brick BBQ with a chimney, safety comes first. Always ensure proper ventilation and consider installing additional safety features like fire extinguishers nearby.

Using Mortar To Bind The Bricks

To construct a sturdy and long-lasting brick BBQ, using mortar to bind the bricks is crucial. Mortar acts as the glue that holds the structure together and reinforces its strength.

There are various types of mortar available in the market, including pre-mixed ones or those made from scratch with cement, sand, and water.

To use mortar effectively when building your brick BBQ, start by spreading a layer of it on top of each course of bricks before laying the next one. Then press down firmly to ensure they adhere well together.

Ensure that you apply enough pressure to create a uniform appearance throughout while avoiding excess mortar seeping out between bricks.


1. What materials are required to build a brick BBQ with chimney?

To build a brick BBQ with chimney, you need bricks, cement, sand, mortar mix, steel grate, cooking grates and a chimney flue system.

2. Can I build my own brick bbq without professional help?

Yes! With the right tools and some basic masonry skills, it is possible to complete this project yourself. However, it may be beneficial to consult with an experienced contractor for guidance or to ensure that your final product meets local building codes.

3. How long does it take to construct a brick barbecue?

This can vary based on the size of your structure as well as other factors such as weather conditions or skill level but typically, constructing a medium-sized barbecue from start to finish takes approximately 4-6 days for an inexperienced individual, while professionals may require less time due their experience in masonry work

4. How important is proper ventilation when building a brick barbeque?

Proper ventilation is essential when building any barbecue pit because fumes from burning wood or charcoal need somewhere safe and effective escape. In addition, poor air circulation could cause smoke accumulation inside the house & result in elevated levels of carbon monoxide gas, which could pose serious health hazards if left unattended over prolonged periods of time, resulting in potential safety issues such as fires, etc..


Building a brick BBQ with a chimney is the perfect way to upgrade your outdoor cooking game. With proper planning and preparation, you can create a beautiful and functional addition to your backyard that will impress all your friends and family.

Remember to choose the right materials for the job, select the perfect location, determine the size and shape of your BBQ, construct a solid foundation and base, and build up the wall of the brick pit while installing an appropriate chimney design.

Don’t forget to add finishing touches like waterproof coating for exterior protection and safety precautions such as proper ventilation during operation.

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