By Colin FosterUpdated November 2026
Choosing the right insert for fire pit use can make the difference between a clean, controlled flame and a smoky, unstable setup. A good insert holds the fire at a safe distance from the surrounding stone, pavers or soil, and it sets the diameter of your burn area. This list compares seven round steel fire pit inserts and rings that owners commonly pick for backyard and patio use. Our selection favors clear specifications, brand reputation and the patterns owners tend to report about fit, durability and airflow. Each pick is matched to a specific need so you can narrow the choice quickly.
Our top picks at a glance
- 1
TOP CHOICEBest overallBreeo Zentro Fire Pit InsertView on Amazon - 2
TOP CHOICEBest for large gatheringsSoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit RingView on Amazon - 3
TOP CHOICEBest for small patiosSoulMate Outdoor 35-Inch Outer/31-Inch Inner Fire Pit RingView on Amazon - 4
Best for DIY in-ground buildsSmokeless Fire Pit Ring Outdoor Insert 36 Inch Round SteelView on Amazon - 5
Best for rust resistanceBigXwell Smokeless Fire Pit Ring Insert 36 InchView on Amazon - 6Best for a 40-inch outer ringSoulMate Outdoor 40-Inch Outer/36-Inch Inner Fire Pit RingView on Amazon
- 7
Best for gas conversionGRISUN Upgraded 36 x 12 Inch Rectangular Drop-in Fire Pit Burner KitView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Breeo Zentro Fire Pit Insert | Overall backyard use | Stainless steel, 30-inch round, includes lid |
| SoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit Ring | Large gatherings | 42-inch inner diameter, solid steel |
| SoulMate Outdoor 35-Inch Outer/31-Inch Inner Fire Pit Ring | Small patios | 31-inch inner diameter, compact footprint |
| Smokeless Fire Pit Ring Outdoor Insert 36 Inch Round Steel | DIY in-ground builds | Heavy-duty steel ring for permanent installs |
| BigXwell Smokeless Fire Pit Ring Insert 36 Inch | Rust resistance | Anti-rust coating on steel |
| SoulMate Outdoor 40-Inch Outer/36-Inch Inner Fire Pit Ring | Mid-size backyards | 36-inch inner diameter, drop-in or in-ground |
| GRISUN Upgraded 36 x 12 Inch Rectangular Drop-in Fire Pit Burner Kit | Gas conversion | Rectangular gas pan with spark ignition and glass wind guard |
Breeo Zentro Fire Pit Insert
Smokeless firepit ring insert for outside block, stone & concrete backyard surrounds Breeo Zentro Fire Pit Insert – Stainless Steel, Round 30 in with Lid
Best for: Overall backyard use with a stainless steel ring that works above ground or set into stone.
This insert suits homeowners who want a smokeless-style ring for a standard backyard fire pit and who plan to set it into a stone, block or concrete surround. Owners often report that the design holds a steady burn with good airflow, and the included lid helps keep rain and debris out between uses.
Key specs
- Round, 30-inch diameter
- Stainless steel construction
- Includes lid
Pros
- Stainless steel resists corrosion better than plain steel in wet climates.
- Lid protects the interior when the pit is not in use.
- Fits common block and stone surround builds.
Cons
- A 30-inch inner diameter may feel tight for larger groups.
- Stainless steel rings can show heat discoloration over time.
Bottom line: A strong first choice for most backyards that want a reliable, lidded ring in a moderate size.
SoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit Ring
SoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit Ring Smokeless,Duty Solid Metal Steel Round Firepit Rim Insert for DIY Fire Pits, Outdoor Above or In-Ground, Camping Garden Patio Backyard.
Best for: Large gatherings and wide seating circles.
This is the widest ring in the list, suited to families and hosts who want a generous flame area for groups. Because of its size, it is better suited to a spacious yard with clearance from structures and plants.
Key specs
- 46-inch outer diameter, 42-inch inner diameter
- Solid metal steel rim
- Designed for above-ground or in-ground DIY installs
Pros
- Large burn area suits bigger groups.
- Solid steel construction for a sturdy rim.
- Flexible installation options.
Cons
- Requires significant clearance and space.
- Heavier to move once set.
Bottom line: Best for owners with a large yard who host often and want maximum seating room around the fire.
SoulMate Outdoor 35-Inch Outer/31-Inch Inner Fire Pit Ring
SoulMate Outdoor 35-Inch Outer/31-Inch Inner Fire Pit Ring Smokeless,Duty Solid Metal Steel Round Firepit Rim Insert for DIY Fire Pits, Outdoor Above or In-Ground, Camping Garden Patio Backyard.
Best for: Small patios and compact backyards.
A smaller ring that fits tight spaces, including patios and corners where a larger pit would crowd furniture. It is a practical choice when you want a real wood fire without a large footprint.
Key specs
- 35-inch outer diameter, 31-inch inner diameter
- Solid metal steel round rim
- Suitable for DIY above-ground or in-ground use
Pros
- Compact footprint for small spaces.
- Solid steel rim holds shape well.
- Easy to position on a patio slab.
Cons
- Smaller burn area limits group size.
- Less room for larger logs.
Bottom line: A good pick for small yards where space and seating are tight.
Smokeless Fire Pit Ring Outdoor Insert 36 Inch Round Steel
heavy duty steel, permanent fire pit rings, backyard bonfire, smokeless firepit, 30 inch inner ring, pit liner insert Smokeless Fire Pit Ring Outdoor Insert 36 Inch Round Steel
Best for: DIY in-ground builds and permanent fire pit installations.
This heavy-duty steel ring is intended for people building a permanent pit, either set into the ground or within a masonry surround. It suits homeowners comfortable with a DIY base and drainage plan.
Key specs
- 36-inch round design
- Heavy-duty steel
- Designed as a permanent ring insert
Pros
- Heavy steel suits permanent installs.
- Round format works with common fire pit designs.
- Good match for in-ground placement.
Cons
- Installation takes planning and proper base preparation.
- Heavy to lift without help.
Bottom line: Suited to builders who want a permanent ring and are ready to prepare the site properly.
BigXwell Smokeless Fire Pit Ring Insert 36 Inch
Heavy Duty Steel Fire Ring for Outside Fire Pit with Anti-Rust Coating, DIY Above or In-Ground for Backyard Patio Camping BigXwell Smokeless Fire Pit Ring Insert 36 Inch
Best for: Owners who want rust resistance in humid or wet climates.
This 36-inch steel ring is marketed with an anti-rust coating, which matters for outdoor rings exposed to rain, dew and snow. It is a sensible choice for homeowners in damp regions.
Key specs
- 36-inch round design
- Steel with anti-rust coating
- Suitable for above-ground or in-ground DIY installs
Pros
- Anti-rust coating helps in wet weather.
- Mid-size diameter suits most backyards.
- Versatile installation options.
Cons
- Coating can wear with heavy heat and scraping.
- Needs a stable base for proper leveling.
Bottom line: A practical pick for damp climates where corrosion is a concern.
SoulMate Outdoor 40-Inch Outer/36-Inch Inner Fire Pit Ring
SoulMate Outdoor 40-Inch Outer/36-Inch Inner Fire Pit Ring Smokeless,Duty Solid Metal Steel Round Firepit Rim Insert for DIY Fire Pits, Outdoor Above or In-Ground, Camping Garden Patio Backyard.
Best for: Mid-size backyards that want a balance of room and footprint.
A middle-ground option that gives a comfortable burn area without the bulk of the widest rings. It works for drop-in or in-ground setups in a typical backyard.
Key specs
- 40-inch outer diameter, 36-inch inner diameter
- Solid metal steel round rim
- Designed for DIY above-ground or in-ground use
Pros
- Balanced size for most yards.
- Solid steel construction.
- Flexible install options.
Cons
- Still requires careful measurement of the site.
- Not as compact as the smaller SoulMate ring.
Bottom line: A sensible all-round choice for families who want moderate seating without a large footprint.
GRISUN Upgraded 36 x 12 Inch Rectangular Drop-in Fire Pit Burner Kit
Gas Fire Pit Kit with Glass Wind Guard & Lid, Linear Fire Pit Pan Insert with Spark Ignition for Fire Pit Tables GRISUN Upgraded 36 x 12 Inch Rectangular Drop-in Fire Pit Burner Kit
Best for: Converting a table or pit to gas with a linear flame.
This is a gas burner kit rather than a wood ring, which makes it a good fit for owners who want a clean, controlled flame in a rectangular fire table or pit. It includes a glass wind guard and lid, plus spark ignition.
Key specs
- 36 x 12-inch rectangular pan
- Spark ignition
- Includes glass wind guard and lid
Pros
- Spark ignition removes the need for matches.
- Glass wind guard helps keep the flame steady.
- Drop-in design fits existing tables.
Cons
- Requires a gas supply and proper fitting, so a qualified installer is recommended.
- Not a wood-burning option.
Bottom line: Best for owners who prefer gas and want a linear flame; consult a qualified professional for gas hookup.
Buying Guide
Size and Diameter
Measure the inner diameter you want before choosing a ring. A common rule for comfortable seating is to allow at least 3 to 4 feet of clearance between the fire and seating. Keep the fire at least 10 feet from structures, overhanging branches and combustible materials, as many local fire codes recommend.
Good picks for this: SoulMate Outdoor 40-Inch Outer/36-Inch Inner Fire Pit Ring, SoulMate Outdoor 35-Inch Outer/31-Inch Inner Fire Pit Ring
Material and Corrosion Resistance
Steel is common and affordable, but plain steel rusts outdoors. Look for anti-rust coatings or stainless steel if you live in a humid or rainy area. Stainless steel resists rust better but can discolor from heat.
Good picks for this: Breeo Zentro Fire Pit Insert, BigXwell Smokeless Fire Pit Ring Insert 36 Inch
Installation Type
Decide whether the ring will sit above ground, drop into a table or pit, or be set into the ground. In-ground installs need proper drainage and a compacted base, while drop-in rings need a supporting edge that is level and sturdy.
Good picks for this: Smokeless Fire Pit Ring Outdoor Insert 36 Inch Round Steel, SoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit Ring
Fuel Type
Wood-burning rings suit owners who enjoy the crackle and scent of a real fire, while gas burner kits offer push-button control and a cleaner burn. Choose based on how often you plan to use the pit and whether you have a gas line or propane supply.
Good picks for this: GRISUN Upgraded 36 x 12 Inch Rectangular Drop-in Fire Pit Burner Kit, Breeo Zentro Fire Pit Insert
Durability and Wall Thickness
Heavier steel holds its shape under repeated heating and cooling. Owners often report that thin rings warp over time, so check that the listing describes solid or heavy-duty steel. Check welds and seams before purchase when possible.
Good picks for this: Smokeless Fire Pit Ring Outdoor Insert 36 Inch Round Steel, SoulMate Outdoor 46-Inch Outer/42-Inch Inner Fire Pit Ring
Airflow and Smoke Control
Rings with well-spaced air openings help the fire burn more completely and reduce smoke. Lids and wind guards help control embers and keep moisture out when the pit is idle.
Good picks for this: Breeo Zentro Fire Pit Insert, BigXwell Smokeless Fire Pit Ring Insert 36 Inch
Care and Maintenance
Remove ash after the fire cools, check for rust spots each season and cover the pit when not in use. Avoid harsh abrasives that can strip coatings. Inspect the ring for cracks or loose welds before each season.
Good picks for this: BigXwell Smokeless Fire Pit Ring Insert 36 Inch, Breeo Zentro Fire Pit Insert
FAQ
What size fire pit insert is best for a backyard?
Most backyards do well with an inner diameter between 30 and 36 inches. Larger rings suit groups, while smaller rings fit patios. Measure your available space and keep clearance from structures before choosing.
Can I use a fire pit insert in the ground?
Yes, many steel rings are designed for in-ground or above-ground use. In-ground installs need good drainage and a stable base. Consider consulting a qualified contractor if you are unsure about excavation or site preparation.
Do fire pit inserts rust?
Plain steel will rust outdoors over time. Anti-rust coatings and stainless steel slow corrosion, but all outdoor metal needs periodic inspection and care, especially after rain or winter exposure.
Is a gas insert safer than a wood-burning ring?
Gas inserts offer easier flame control and no ash, but they require a gas supply and proper installation. Wood rings are simpler to set up. Either can be safe when installed and used according to manufacturer instructions. For gas hookup, consult a licensed professional.
How far should a fire pit be from the house?
A common guideline is at least 10 feet from structures, fences and overhanging branches, though local codes and HOA rules may differ. Check local regulations before placing a fire pit.
How do I keep a fire pit insert from overheating my patio?
Set the ring on a non-combustible base such as pavers, gravel or concrete, and leave a clear perimeter. Use a fire-resistant mat under the ring if your surface is sensitive to heat.
Conclusion
For most backyards, the Breeo Zentro Fire Pit Insert offers a balanced mix of material, size and lid protection. Larger groups will do better with the 46-inch SoulMate ring, while small patios suit the 35-inch version. DIY builders wanting a permanent ring should look at the heavy-duty 36-inch steel option, and damp climates may favor the anti-rust BigXwell ring. If you prefer gas, the GRISUN burner kit provides a linear flame, though it requires professional gas hookup. Match the size and material to your space, climate and how often you plan to use the fire.
Sources
- Consumer safety guidance on outdoor fire and heating equipment (cpsc.gov)
- Fire safety standards and guidance for outdoor cooking and heating appliances (nfpa.org)
- Information on propane and natural gas safety for home appliances (energy.gov)
Related reading
- 6 Best Smokeless Fire Pit Inserts for Backyard Fire Pits (2026)
- 6 Best Breeze Block Fire Pit Inserts and Wind Guards for Backyards
- Top 7 Movable Gas Fire Pit Options for Patios and Backyards (2026)
- Top 7 Gas Backyard Fire Pit Picks for Patios and Decks in 2026
- Top 7 Fire Pits with Gas Models for Patios and Backyards in 2026
- Top 6 Propane Fire Pit Camp Picks for Camping and Backyard Use
About Colin Foster
Colin Foster is part of our editorial team and reviews and edits our backyard living & play guides, checking product details against manufacturer specifications and owner feedback.
