What to Put in Bottom of Fire pit?

Once you’ve set up that sleek and modern fire pit in your backyard, maintaining its pristine appearance becomes the next challenge. Moreover, shielding the bottom of your fire pit from debris like leaves, twigs, and dirt might seem like a daunting task, but rest assured, it’s a challenge that can be easily tackled. Within this comprehensive guide, we will delve into the art of selecting What to Put in Bottom of Fire pit.

What to Put in Bottom of Fire pit?

This goes beyond mere aesthetics, ensuring not only an enchanting visual experience but also establishing a firm and enduring focal point for your outdoor haven.

What to use in the bottom of a fire pit – 5 best Materials 

Five Essential Products for a Safe and Attractive Fire Pit:

1. Sand

Sand is the most common and cost-effective material for lining the bottom of backyard fire pits. It offers several advantages that contribute to a safe and efficient fire pit experience throughout the year.

Sand excels at absorbing and evenly distributing intense heat generated within the fire pit. This quality prevents the metal base of the fire pit from becoming excessively hot and potentially cracking.

Moreover, Sand’s adaptability makes it suitable for various fire pit sizes and shapes. It can be easily adjusted to fit any available space in your backyard.

Different types and colors of sand are available for this purpose, allowing you to select the one that complements your backyard aesthetics. Take your time to choose the perfect sand type for your fire pit project.

To ensure the proper setup of sand in your backyard fire pit, it’s essential to carefully follow the manufacturer’s instructions. This step-by-step guidance ensures that you create an effective and safe foundation for your fire pit.

By using sand as the base material for your backyard fire pits, you can create an aesthetically pleasing, safe, and efficient fire pit.

2. Stone/Gravel

Another widely used option for lining the base of a fire pit is small stones or pea gravel. Although stones are slightly more expensive than sand, they offer comparable protection while presenting a neater appearance.

The primary distinction between these two materials lies in their heat absorption capabilities. While gravel provides effective heat dispersion, it’s not suitable for extremely high temperatures.

Additionally, caution should be exercised when considering mixing gravel with items like magma lava rocks or fire glass, as this combination could pose a safety risk.

You have the flexibility to either source larger stones from your yard or purchase bags of landscaping stones available at local home improvement stores.

With the appropriate stone or gravel material and adhering to these guidelines, you can achieve a fire pit base that balances aesthetics and safety.

3. Dirt

Among the options available, dirt stands out as the simplest and most budget-friendly choice for the base of a fire pit. While dirt can be effective, especially when combined with sand, there are certain considerations to bear in mind due to its characteristics.

When compared to sand, dirt has a lower heat absorption capacity, which can result in uneven burning within your outdoor fire pit.

Moreover, It’s worth noting that while dirt may seem like a cost-effective solution, there are potential downsides. If used in a portable fire pit, dirt has the tendency to clog the ventilation holes, potentially smothering the flames and leading to the fire dying out over time.

Dirt-based bottoms are better suited for permanent backyard fire pits that are built into the ground. However, it’s a common practice to enhance the dirt layer with an additional protective layer of rocks or sand. This dual-layer approach adds an extra level of safety and helps maintain a consistent and enjoyable fire pit experience.

4. Lava Rocks

Lava rocks, also known as magma lava stones, offer a durable and heat-resistant material choice for lining your fire pit. Particularly suited for situations requiring longevity and the ability to withstand high temperatures, lava rocks present several advantages.

While lava rocks provide exceptional performance in fire pit applications, it’s important to note that they are relatively more expensive than the previously discussed options. Their availability might also be limited, often requiring ordering from specialized online shops.

Despite the cost and potential effort of acquisition, magma lava rocks deliver not only durability but also an aesthetically pleasing appearance. This aesthetic appeal can become a point of pride when showcasing your fire pit to friends and visitors.

5. Brick Pavers

Brick pavers offer an excellent choice for fire pits that are constructed in or on the ground. They allow for creative customization while maintaining fire control.

One significant advantage of brick pavers is their suitability for shaping and designing. By simply clearing the grass, arranging the bricks in your desired configuration, and placing your logs, you can create a personalized fire pit design.

Other Options to Consider:

While the five products mentioned are excellent choices, there are a few other alternatives to explore:

  • Fire Glass
  • Concrete Pavers
  • River Rock
  • Ceramic
  • Engineered Brick

These additional options expand your choices and provide room for experimentation to achieve the desired aesthetics, functionality, and safety for your fire pit.

Tips to Keep Fire Pit Clean and Looking Brand New

We are going to share some tips that will help make your fire pit clean and presentable.

1. Choose a Fire Pit Mat

If you’re getting tired of constantly cleaning out your fire pit, it might be a good idea to consider using a fire pit mat. Because it is best to safeguard the bottom of your fire pit.

Moreover, Fire pit mats serve to shield the underlying surface from dirt and debris. These mats come in a variety of designs, sizes, and materials, allowing you to choose one that complements the aesthetic of your outdoor space.

Typically constructed from heavy-duty materials like vinyl or mesh, these mats are easy to clean and boast longevity.

If you frequently enjoy your fire pit, incorporating a fire pit mat into your setup could be a wise decision to preserve your patio from excessive dirt.

2. Lay down some rocks or gravel

When your fire pit lacks a bottom, placing rocks underneath it can be a beneficial choice. This practice safeguards your patio or deck from water damage.

By placing rocks or gravel underneath the fire pit, you can effectively prevent moisture accumulation and maintain a dry surface on your patio or deck. This becomes especially crucial when your fire pit is situated near wooden decking.

3. Get a Good Quality Chimney

The chimney stands as one of the most crucial components of your fire pit. It serves as the link between your fire pit and the outside world, facilitating the escape of smoke.

However, not all chimneys are crafted with the same quality. Therefore, it’s essential to invest in a high-quality chimney.

When in the process of selecting a chimney, prioritize a robust stainless-steel chimney or a cast iron chimney, both known for their durability against the elements.

A well-designed chimney allows the smoke generated by your fire pit to disperse freely into the atmosphere. Conversely, a chimney of inferior quality might become obstructed by debris, leading to smoke backing up into your fire pit and ultimately filling your home with smoke.

4. Keep the bottom of your fire pit dry

If you’re facing challenges in maintaining the cleanliness and dryness of the bottom of your fire pit, there are several steps you can take to prevent the buildup of moisture.

To begin, ensure that the ground beneath your fire pit is as level as possible. This will aid in preventing the accumulation of water in that region.

Furthermore, it’s advisable for the bottom of your fire pit to be constructed using materials that have the capacity to absorb moisture. This will help mitigate the gathering of moisture below the fire pit.

5. Install a mesh screen on the bottom of your fire pit

If you’re facing difficulties cleaning the bottom of your fire pit, you might want to consider installing a mesh screen at the base.

A mesh screen is particularly effective for fire pits made of porous materials like wood. The reasoning behind this is that a mesh screen can be rolled up effortlessly. Therefore, it allows you to clean the bottom surface with ease. Once you’ve used it, you can conveniently store the mesh screen for future use.

6. Invest in a Good Vacuum

If all else fails and keeping the bottom of your fire pit clean and dry becomes too demanding, consider investing in a good vacuum.

A handheld vacuum offers a quick and easy solution to maintain the cleanliness of the surface area beneath your fire pit. It effectively removes dirt that has accumulated in this space.

Furthermore, a handheld vacuum can swiftly eliminate any water that may have been collected in the surface area beneath your fire pit. Some handheld vacuums even include a mini vacuum cleaner attachment, enabling you to clean both the inside and outside of your fire pit effectively.

READ ALSO: Best Heavy Duty Wood Burning Fire Pit


What to use in the bottom of a fire pit?

When choosing materials to place at the bottom of a fire pit, it’s crucial to prioritize safety and functionality. Opt for non-combustible materials that can withstand high temperatures without emitting harmful fumes or deteriorating quickly. Some suitable options include fire-resistant bricks, lava rocks, and sand.

 Is sand a good option for the bottom of a fire pit?

Yes, sand is a popular choice for the bottom of a fire pit. It helps distribute heat evenly and provides a stable base for your fire. However, not all types of sand are suitable. Choose fine-grain sand that is labeled as “fire pit sand” or “fire-rated sand.” This type of sand can withstand high temperatures without clumping or producing excessive dust.

What to use in the bottom of a metal fire pit?

One popular choice is to line the bottom of your fire pit with fire bricks. These are specially designed to withstand high temperatures and direct flames, making them a safe and durable option.

Plus, they can help retain heat, which means your fire will burn more efficiently. Another alternative is to use a layer of sand. Sand acts as a natural heat barrier and provides a stable base for your firewood. Just keep in mind that over time, the sand might compact or shift, so you might need to readjust it from time to time.


A fire pit offers a wonderful opportunity to gather with friends and family, enjoy summer fun or simply contemplate the stars in peaceful solitude. To ensure both efficient functionality and safety, consider using one of the five options mentioned below to create a bottom layer. By prioritizing safety, you can enjoy your time without any concerns apart from having a fantastic experience.

Leave a Comment