diy how to build a 16 brick rocket stove

How To Build a DIY Rocket Stove Out Of 16 Bricks

Looking for an efficient and eco-friendly cooking solution? The brick rocket stove is here to revolutionize your cooking experience. Harnessing the power of combustion, this innovative stove design utilizes bricks as its main building material, making it a cost-effective and sustainable option.

Rocket stoves have gained popularity due to their ability to generate intense heat while consuming minimal fuel. By efficiently burning biomass such as wood or agricultural waste, these stoves provide a clean and powerful flame that can cook food quickly and effectively.

The bricks used in the construction of the rocket stove help retain heat, ensuring even distribution throughout the cooking process.

Whether you’re an outdoor enthusiast or simply looking for an alternative cooking method for your home, join us on this journey as we discover the wonders of brick rocket stoves.

Identifying the appropriate bricks for a DIY rocket stove

To ensure the success of your DIY rocket stove project, it is crucial to select the right bricks. Here are some key considerations when identifying the appropriate bricks for your rocket stove:

Look for Heat-Resistant Bricks with High Thermal Conductivity

Heat-resistant bricks are designed to withstand high temperatures without cracking or deteriorating. These bricks are typically made from materials such as refractory clay or ceramic fibers, which have excellent heat resistance properties. When choosing bricks for your rocket stove, look for those specifically labeled as “heat-resistant” or “firebricks.”

In addition to heat resistance, thermal conductivity is another important factor to consider. Bricks with high thermal conductivity can efficiently transfer heat from the combustion chamber to the cooking surface, ensuring optimal heating performance.

Insulating Firebricks are Ideal for Retaining Heat

Insulating firebricks (IFBs) are specially designed to retain heat and prevent excessive heat loss. These lightweight bricks have low thermal conductivity, meaning they do not conduct heat as readily as regular clay bricks. This property allows them to trap and maintain high temperatures within the combustion chamber of a rocket stove.

Using IFBs in your rocket stove can enhance its efficiency by minimizing heat wastage and maximizing fuel utilization. The insulating properties of these bricks also help reduce external surface temperatures, making the stove safer to handle during operation.

Avoid Using Regular Clay Bricks

Regular clay bricks may seem like a viable option due to their affordability and availability; however, they are not suitable for use in rocket stoves. Regular clay bricks lack the necessary heat resistance required for sustained exposure to high temperatures.

Under intense heat conditions, regular clay bricks can crack or even disintegrate, compromising the structural integrity of your rocket stove. It is essential to choose quality firebricks that can withstand extreme temperatures consistently over time.

Step-by-step instructions for building a brick rocket stove

Although the proper bricks were not used in this build you will still learn how easy it is to build your own DIY rocket stove out of just 16 bricks.

What you will need:

16 bricks or more. You can stack up more layers if you want to increase the draft on your rocket stove and really get it going.

Step 1.

diy rocket stove step 1

Place 4 and a half bricks on the ground, just like it is shown in the picture. This will be the base of your stove and first layer. You will need to take one of your bricks and cut in half.

To do this you can use a mason hammer, wet saw, mason dry blade on a skill saw or give the brick a good crack on a hard surface in half.

Step 2.

diy rocket stove step 2

Next place 3 and a half bricks for your next layer like in the picture. You can place the half brick in the same corner or stagger it to the opposite corner to add more structure to the stove.

Step 3.


Next place 4 more bricks to build your next layer and make sure to shift the bricks in the front so you form a bridge. This will be where your rocket stove draws air from and you feed the fire.

Step 4.

diy rocket stove step 4

Now place another 4 bricks on top and stagger the joints so they are not on top of each other. You are finished with the build. If you want to keep going up with more layers of bricks you can, but this is all you need to get your rocket stove going.

Step 5.

diy rocket stove step 5

Next get some dry sticks and kindling and light your fire. You might have to blow in the front of the stove to get it to start drafting up the stove chimney to get the rocket burn going.

Step 6.

diy rocket stove step 6

Once your stove is burning nice it’s time to start cooking. Now make sure to check out your food so you do not burn it because this thing puts off some mean heat right on the bottom of your pan or pot.

Here is the video source where I got this DIY how to build a 16 brick rocket stove from:

By following these step-by-step instructions, you can successfully build your own brick rocket stove. Remember to prioritize safety throughout the construction process, wearing protective gear such as gloves and goggles when handling materials or tools. Consider consulting local regulations or seeking professional advice if necessary.

Using a DIY rocket stove has several advantages, including reduced fuel consumption, lower emissions, and the ability to cook or heat food in outdoor settings. It is a cost-effective and eco-friendly alternative to traditional stoves.

Addressing safety concerns with concrete blocks in rocket stove construction

Concrete blocks can release harmful toxins when exposed to high temperatures

When building a rocket stove, it is important to consider the safety concerns associated with using concrete blocks. Concrete blocks are commonly used in construction due to their affordability and durability. However, when exposed to high temperatures, concrete blocks can release harmful toxins into the air.

One of the main concerns is the release of carbon monoxide gas. Carbon monoxide is a colorless and odorless gas that can be extremely dangerous if inhaled in high concentrations. When concrete blocks are heated, they can emit carbon monoxide, posing a serious health risk.

To mitigate this risk, it is recommended to use firebricks instead of concrete blocks for areas directly exposed to heat. Firebricks are specifically designed to withstand high temperatures without releasing harmful toxins. They are made from refractory materials that can withstand intense heat, making them a safer option for rocket stove construction.

Consider using firebricks instead of concrete blocks for areas directly exposed to heat

Firebricks have several advantages over traditional concrete blocks when it comes to rocket stove construction:

  • Heat resistance: Firebricks are designed to withstand extreme heat without cracking or releasing toxic fumes. This makes them ideal for areas directly exposed to flames or high temperatures.

  • Insulation properties: Firebricks have excellent insulation properties, which helps retain heat within the stove while preventing excessive heat transfer to the surrounding structure.

  • Durability: Firebricks are highly durable and long-lasting. They can withstand repeated heating and cooling cycles without deteriorating or losing their structural integrity.

By opting for firebricks instead of concrete blocks in critical areas of your rocket stove design, you can enhance both safety and performance.

Ensure proper ventilation to prevent carbon monoxide buildup

In addition to choosing the right materials, ensuring proper ventilation is crucial when using a rocket stove. Proper ventilation helps prevent the buildup of carbon monoxide gas, which can be deadly if not properly vented.

Here are some key considerations for ventilation in your rocket stove design:

  • Chimney placement: Position the chimney in a way that allows for efficient smoke and gas extraction. The chimney should be tall enough to create sufficient draft and draw out any harmful gases.

  • Air intake: Provide adequate air intake near the combustion chamber to ensure proper oxygen supply for efficient burning and minimize the risk of carbon monoxide buildup.

  • Regular maintenance: Regularly inspect and clean your rocket stove to remove any soot or debris that may obstruct airflow or contribute to poor combustion.

By following these safety measures, you can reduce the risk of carbon monoxide poisoning and ensure safe operation of your rocket stove.

Exploring the effectiveness of concrete bricks in rocket stoves

Concrete bricks provide good insulation, helping retain heat efficiently

Concrete bricks are an effective and affordable option for building rocket stoves. One of their key advantages is their ability to provide good insulation, which helps to retain heat efficiently. The dense composition of concrete bricks allows them to absorb and store heat, ensuring that it is distributed evenly throughout the stove.

With proper construction techniques, a rocket stove made with concrete bricks can achieve high temperatures and maintain them for extended periods. This makes it ideal for cooking tasks that require consistent and prolonged heat, such as simmering soups or slow-cooking meats.


  • Good insulation properties

  • Efficient heat retention

  • Even distribution of heat

They are readily available and cost-effective compared to firebricks

Another advantage of using concrete bricks in rocket stoves is their availability and cost-effectiveness. Concrete bricks are widely accessible at local hardware stores or building supply centers, making them convenient to obtain for your project. They are generally more affordable than specialized firebricks commonly used in traditional masonry stoves.

The affordability of concrete bricks makes them a practical choice for those on a budget or looking for a cost-effective alternative without compromising functionality. By opting for concrete bricks instead of firebricks, you can save money while still achieving excellent results in your rocket stove construction.


  • Readily available at local stores

  • Cost-effective option

  • Suitable for those on a budget

However, they may deteriorate over time due to thermal stress

While concrete bricks offer several benefits when used in rocket stoves, it’s important to be aware of their limitations. One potential drawback is that they may deteriorate over time due to thermal stress caused by repeated heating and cooling cycles.

The extreme temperatures reached inside a rocket stove can cause expansion and contraction of the materials used in its construction. Over time, this thermal stress may lead to cracks or deterioration in the concrete bricks. It is essential to monitor the condition of the bricks regularly and replace any damaged ones to ensure the stove’s continued performance and safety.

Choosing the right mortar for fire bricks in permanent rocket stoves

Refractory Mortar: Essential for Long-Lasting Structures

Choosing the right mortar is crucial. Regular cement or mortar mix simply won’t hold up under extreme heat. Instead, you need refractory mortar, which is specifically designed to withstand high temperatures.

Refractory mortar is made with special materials that can endure the intense heat generated by fire bricks in rocket stoves. It has excellent thermal resistance properties and can withstand thermal expansion and contraction without cracking. This ensures that your rocket stove remains structurally sound and long-lasting.

Withstanding Thermal Expansion and Contraction

One of the key advantages of using refractory mortar in a rocket stove is its ability to handle thermal expansion and contraction. When the fire inside the stove heats up, the fire bricks expand due to the rising temperature. Conversely, when the fire dies down or is extinguished, the bricks cool down and contract.

Regular cement or mortar mix cannot handle these changes in size effectively and may crack or crumble over time. Refractory mortar, on the other hand, is specifically formulated to accommodate these fluctuations without compromising its integrity. This means that your rocket stove will remain sturdy even after repeated heating and cooling cycles.

The Importance of Using Firebricks

Firebricks are an essential component of any rocket stove as they can withstand high temperatures without cracking or disintegrating. These specialized bricks are designed to retain heat efficiently while preventing damage caused by intense heat exposure.

To ensure maximum efficiency and longevity of your rocket stove, it’s vital to use refractory mortar when laying firebricks. By using regular cement or mortar mix instead, you risk compromising not only the structural integrity but also the overall performance of your rocket stove.

Steel drum rocket stove heater: An alternative design option

The steel drum rocket stove heater is an innovative and easy-to-build design that provides efficient heating for outdoor spaces such as patios or workshops. By repurposing an old steel drum as the combustion chamber, this design offers a cost-effective and environmentally-friendly solution for heating needs.

Make use of an old steel drum as the combustion chamber.

One of the key features of the steel drum rocket stove heater is its use of an old steel drum as the combustion chamber. This repurposing not only reduces waste but also provides a sturdy and durable structure for the stove. The drum can withstand high temperatures, making it ideal for burning fuel efficiently and effectively.

Easy-to-build design that provides efficient heating.

The design of the steel drum rocket stove heater is relatively simple, making it accessible to DIY enthusiasts with basic skills. With a few modifications, such as cutting holes for airflow and adding a grate at the bottom, you can transform an ordinary steel drum into a powerful heating device. The efficiency of this design lies in its ability to maximize heat output while minimizing fuel consumption.

To build a steel drum rocket stove heater:

  1. Cut a hole on one side of the drum for inserting sticks or other fuel.

  2. Create another hole near the backside to serve as an exhaust vent.

  3. Install a grate at the bottom to allow proper airflow and prevent fuel from falling through.

  4. Place a pan on top of the drum to capture heat and distribute it evenly.

Suitable for outdoor spaces such as patios or workshops.

The versatility of the steel drum rocket stove heater makes it suitable for various outdoor spaces, including patios or workshops where traditional heating options may be limited or impractical. Whether you need warmth during chilly evenings on your patio or require additional heat in your workshop during colder months, this alternative design option can provide reliable and efficient heating.

Pros of the steel drum rocket stove heater:

  • Cost-effective solution for heating outdoor spaces.

  • Environmentally-friendly by repurposing old steel drums.

  • Easy to build with basic DIY skills.

  • Efficient heat output and fuel consumption.

Cons of the steel drum rocket stove heater:

  • Limited portability due to the size and weight of the steel drum.

  • Requires proper ventilation and safety precautions when operating indoors.

  • May not provide sufficient heat for larger areas or extremely cold climates.

The potential and benefits of bricks rocket stove

We started by discussing how to identify the appropriate bricks for a DIY rocket stove, ensuring that they are heat-resistant and durable. Then, we provided step-by-step instructions for building a brick rocket stove, making it easier for readers to create their own efficient cooking or heating device.

Addressing safety concerns with concrete blocks in rocket stove construction was another important section. We highlighted the importance of using fire-rated concrete blocks and shared tips on minimizing risks during construction. We delved into the effectiveness of concrete bricks in rocket stoves, explaining their ability to retain heat and provide long-lasting performance.

Choosing the right mortar for fire bricks in permanent rocket stoves was discussed as well. We emphasized the significance of using refractory mortar to ensure durability and proper insulation. Lastly, we introduced an alternative design option: the steel drum rocket stove heater, which offers portability while maintaining efficiency.

In conclusion, building a brick rocket stove can be a cost-effective and sustainable solution for cooking or heating needs. By following our guidelines and considering safety precautions, individuals can create an efficient device that reduces fuel consumption and environmental impact. Start your DIY project today and enjoy the benefits of a reliable brick rocket stove!


Can I use regular bricks instead of fire-rated ones?

While regular bricks may work in some cases, it is highly recommended to use fire-rated or heat-resistant bricks for constructing a safe and efficient brick rocket stove. Regular bricks may crack or deteriorate due to high temperatures over time.

Is it necessary to use refractory mortar?

Yes, using refractory mortar is crucial when working with fire bricks in permanent rocket stoves. Refractory mortar is designed to withstand high temperatures without cracking or crumbling like regular mortars would.

Can I build a brick rocket stove indoors?

It is generally not recommended to build a brick rocket stove indoors due to safety concerns. The intense heat generated by the stove can pose a fire hazard and may release harmful gases. It is best to construct and use the stove in well-ventilated outdoor areas.

How efficient are brick rocket stoves compared to traditional stoves?

Brick rocket stoves are known for their high efficiency, as they burn fuel more completely and produce less smoke. This results in reduced fuel consumption and lower emissions compared to traditional stoves.

Can I modify the design of a brick rocket stove?

While it is possible to modify the design of a brick rocket stove, it is important to ensure that any changes do not compromise its safety or efficiency. It is recommended to follow established designs or seek expert advice when making modifications.