By Colin FosterUpdated November 2026
Choosing a fire mat for fire pit use comes down to three things: whether it fits your fire pit footprint, how well it insulates the surface underneath, and whether it can handle moisture and grease without breaking down. A good mat keeps embers, heat and drips away from wood decks, pavers and lawn, and it makes cleanup far easier. This guide compares five mats drawn from research into specifications, brand reputation and common owner feedback. Each pick is judged on size coverage, layer construction, waterproofing, ease of cleaning and how well it suits a particular fire pit style. Where a claim is not supported by the product listing, we leave it out.
Our top picks at a glance
- 1
TOP CHOICEBest overallDocSafe 40" Square Fire Pit Mat Under Grill Mat,4 Layers Fireproof IndView on Amazon - 2
TOP CHOICEBest for round Solo Stove Bonfire ownersDouble-sided Fireproof,Oil & Waterproof,Portable,Easy to Clean,OutdoorView on Amazon - 3
TOP CHOICEBest for large patiosDocSafe Large Under Grill Mat 48" Square Fire Pit Mat,4 Layers FireproView on Amazon - 4
Best budget pick36'' Fire Pit Mat for Solo Stove Bonfire, Round Fireproof Under GrillView on Amazon - 5
Best for wide fire pits43" Fire Pit Mat for Solo Stove Bonfire – Round Fireproof Waterproof UView on Amazon
Our Top Picks
| Product | Best for | Key feature |
|---|---|---|
| DocSafe 40″ Square Fire Pit Mat | Square fire pits on decks and patios | Four layers with oil-proof and waterproof finish |
| Double-sided Fireproof Fire Mat 36″ | Round Solo Stove Bonfire owners | Double-sided design that is easy to clean |
| DocSafe Large Under Grill Mat 48″ | Large patios and grill-plus-fire setups | 48-inch square coverage |
| 36” Fire Pit Mat for Solo Stove Bonfire | Budget-minded buyers with a 36-inch round pit | Glossy black, portable and reusable |
| 43″ Fire Pit Mat for Solo Stove Bonfire | Wider round pits and extra margin | 43-inch round coverage |
DocSafe 40″ Square Fire Pit Mat Under Grill Mat,4 Layers Fireproof Indoor Fireplace Pad Heat Insulated Protect for Decks,Patios,Grass,BBQ Smoker,Portable Reusable Oil-Proof and Waterproof, Black
DocSafe 40" Square Fire Pit Mat Under Grill Mat,4 Layers Fireproof Indoor Fireplace Pad Heat Insulated Protect for Decks,Patios,Grass,BBQ Smoker,Portable Reusable Oil-Proof and Waterproof, Black
Best for: Square fire pits and fire tables on decks and patios where a wide, flat footprint matters most.
This is a general-purpose mat for homeowners who want one sheet that covers a square pit and protects the surface beneath it. Its size and layered construction make it a solid all-around choice for backyards.
Key specs
- 40-inch square size
- Four-layer construction
- Black finish
- Listed as oil-proof, waterproof and reusable
Pros
- Generous square coverage for most backyard pits
- Layered build aimed at heat insulation
- Reusable and easy to wipe down after use
Cons
- Square shape may not suit round fire bowls
- Owners should check that the 40-inch footprint leaves enough margin around their pit
Bottom line: A strong first choice for a square or rectangular pit on a deck or patio where you want broad coverage at a sensible size.
Double-sided Fireproof,Oil & Waterproof,Portable,Easy to Clean,Outdoor Patio Deck Protection,Fireplace,Camping Stove Fire Mat 36″ Fire Pit Mat for Solo Stove Bonfire – Round Under Grill Mat
Double-sided Fireproof,Oil & Waterproof,Portable,Easy to Clean,Outdoor Patio Deck Protection,Fireplace,Camping Stove Fire Mat 36" Fire Pit Mat for Solo Stove Bonfire – Round Under Grill Mat
Best for: Round Solo Stove Bonfire owners who need a close-fitting mat sized for a 36-inch round pit.
This mat is aimed at people who already own a round smokeless fire pit and want a mat sized to match it. Its double-sided design is a practical feature for owners who expect frequent cleaning.
Key specs
- 36-inch round shape
- Double-sided design
- Listed as fireproof, oil-proof and waterproof
- Marketed as portable for camping and patio use
Pros
- Round shape matches round fire bowls
- Double-sided surface is easy to wipe clean
- Portable enough to move between locations
Cons
- Sized for a 36-inch round pit, so it will not suit larger bowls
- Fit is narrower than the square options if your pit is not round
Bottom line: Best suited to owners of a 36-inch round smokeless pit who want a close match rather than extra overhang.
DocSafe Large Under Grill Mat 48″ Square Fire Pit Mat,4 Layers Fireproof Grill Pads Protect for Deck,Patio,Outdoor Charcoal,Smokers,Wood Floor,Indoor Fireplace,Reusable Oil-Proof＆Waterproof,Black
DocSafe Large Under Grill Mat 48" Square Fire Pit Mat,4 Layers Fireproof Grill Pads Protect for Deck,Patio,Outdoor Charcoal,Smokers,Wood Floor,Indoor Fireplace,Reusable Oil-Proof＆Waterproof,Black
Best for: Large patios and setups where a fire pit sits beside a grill or smoker and the surface needs wide protection.
The 48-inch size gives more room than most options on this list. It suits owners who want the mat to extend well beyond the pit and cover nearby grill or smoker footprints.
Key specs
- 48-inch square size
- Four-layer construction
- Black finish
- Listed for use with charcoal, smokers and indoor fireplaces
Pros
- Largest coverage in this group
- Can protect a grill and fire pit area together
- Reusable with a waterproof, oil-resistant surface
Cons
- Heavy and bulky to move once laid down
- Oversized for small or compact pits
Bottom line: Pick this if you need generous square coverage and have the space to lay a large mat flat.
36” Fire Pit Mat for Solo Stove Bonfire, Round Fireproof Under Grill Mat, Oil-Proof Waterproof BBQ Pad for Deck Patio Grass Outdoor Grill Accessories, Portable and Reusable, Glossy Black
36'' Fire Pit Mat for Solo Stove Bonfire, Round Fireproof Under Grill Mat, Oil-Proof Waterproof BBQ Pad for Deck Patio Grass Outdoor Grill Accessories, Portable and Reusable, Glossy Black
Best for: Budget-minded buyers with a 36-inch round pit who want a simple, reusable mat without extras.
This option trades extra features for a straightforward design. It covers a round 36-inch footprint and is marketed for decks, patios and grass, which makes it versatile for casual use.
Key specs
- 36-inch round shape
- Glossy black finish
- Listed as oil-proof, waterproof and reusable
- Portable design
Pros
- Simple, practical design for round pits
- Wipes clean after grease or moisture exposure
- Works on several surfaces, including grass
Cons
- Fewer layer details are listed than on the DocSafe mats
- Only suits 36-inch round pits well
Bottom line: A sensible budget pick for owners of a 36-inch round smokeless pit who want basic protection.
43″ Fire Pit Mat for Solo Stove Bonfire – Round Fireproof Waterproof Under Grill Mat, Reusable Solo Stove Accessories for Deck Patio
43" Fire Pit Mat for Solo Stove Bonfire – Round Fireproof Waterproof Under Grill Mat, Reusable Solo Stove Accessories for Deck Patio
Best for: Wider round fire pits and owners who want extra margin beyond a 36-inch mat.
This mat extends the round coverage to 43 inches. It suits owners who want a safety margin around the pit, particularly on decks where embers may travel outward.
Key specs
- 43-inch round shape
- Listed as fireproof and waterproof
- Reusable design
- Marketed for Solo Stove accessories and decks
Pros
- Extra margin beyond a 36-inch mat
- Round shape suits round fire bowls
- Reusable and waterproof surface
Cons
- Larger footprint needs more clear space
- Less suited to square fire tables
Bottom line: Choose this if your round pit is on the larger side or you want a wider buffer on a wooden deck.
Buying Guide
Size and Coverage
Measure your fire pit at its widest point, then add a margin on every side. Many owners aim for at least 6 to 12 inches of extra coverage so that embers and drips land on the mat rather than the surface. Round pits need round or near-round mats, while square pits and fire tables fit square mats better.
Good picks for this: DocSafe 40″ Square Fire Pit Mat, 43″ Fire Pit Mat for Solo Stove Bonfire
Layer Construction
Multi-layer mats generally provide more heat insulation than single-layer options. Listings that describe four layers suggest a thicker build for heat resistance. Still, check the manufacturer’s stated temperature limits and do not assume any mat is rated for every use.
Good picks for this: DocSafe 40″ Square Fire Pit Mat, DocSafe Large Under Grill Mat 48″
Waterproofing and Oil Resistance
Grease from cooking and moisture from rain or dew can soak into weak materials. Look for oil-proof and waterproof surfaces, since they are easier to wipe clean and less likely to stain or degrade.
Good picks for this: Double-sided Fireproof Fire Mat 36″, 36” Fire Pit Mat for Solo Stove Bonfire
Fire Pit Shape
Shape matters as much as size. A round mat under a square pit leaves corners uncovered, and a square mat under a round bowl leaves unused space. Match the mat shape to the base of your fire pit.
Good picks for this: 36” Fire Pit Mat for Solo Stove Bonfire, 43″ Fire Pit Mat for Solo Stove Bonfire
Surface Type
Decks, patios, pavers and grass each present different risks. Wood decks need the most protection, while stone or concrete tolerates heat better but still benefits from a mat to catch sparks and drips. Grass can scorch, so a mat helps but should not be treated as a guarantee against fire spread.
Good picks for this: DocSafe 40″ Square Fire Pit Mat, 43″ Fire Pit Mat for Solo Stove Bonfire
Portability and Storage
If you move the pit or store the mat seasonally, weight and folding behavior matter. Large mats are harder to lift and store, so consider how you will handle it after each use.
Good picks for this: Double-sided Fireproof Fire Mat 36″, 36” Fire Pit Mat for Solo Stove Bonfire
Care and Maintenance
Wipe the mat after each use once it has cooled completely. Avoid harsh abrasives that may damage the surface. Inspect for cracks, thinning or lifting edges at the start of each season and replace the mat if it shows damage.
Good picks for this: Double-sided Fireproof Fire Mat 36″, DocSafe Large Under Grill Mat 48″
FAQ
Do I really need a fire mat for my fire pit?
A mat is strongly recommended, especially on wood decks, because it catches embers and drips and protects the surface beneath. Check your fire pit manufacturer’s instructions and local fire rules, since some require a specific clearance.
What size fire mat should I buy?
Measure the widest part of your fire pit and add a margin of several inches on each side. Many owners find that extra coverage gives a better buffer for sparks.
Can a fire mat go on grass?
A mat can reduce the risk of scorching grass, but it does not make a fire safe on grass. Keep the fire pit well clear of dry vegetation and follow local guidance.
How do I clean a fire mat?
Let the mat cool completely, then wipe it with a damp cloth or mild soap and water. Avoid abrasive pads that could damage the surface, and dry it before storing.
Are waterproof fire mats safe to leave outside?
Waterproof mats handle rain and dew better, but they still need to be dry and undamaged before use. Store them under cover when not in use to extend their life.
Should I place a fire mat under a gas fire pit?
Some owners do, but gas fire pits have their own clearance and installation requirements. Follow the manufacturer’s guidance and consult a qualified professional for gas installations.
Conclusion
The right fire mat for fire pit use depends on your pit’s shape and size, and on the surface beneath it. For a square pit or fire table, the DocSafe 40″ Square Fire Pit Mat is a broad, versatile choice. For a 36-inch round Solo Stove Bonfire, the Double-sided Fireproof Fire Mat 36″ or the 36” Fire Pit Mat for Solo Stove Bonfire fit closely. Choose the DocSafe Large Under Grill Mat 48″ for large patios, and the 43″ Fire Pit Mat for Solo Stove Bonfire when you want a wider buffer. Measure first, match the shape, and check the manufacturer’s guidance before use.
For more backyard ideas, see Solo Stove Fire Pit Guide: Setup, Safe Use and Care Tips and Paving for Fire Pit: A Step-by-Step Guide to Safe, Level Backyard Bases. Readers comparing whole setups may also find Top 5 Fire Pit Cast Iron Picks for Backyards in 2026 useful.
Sources
- Consumer safety guidance on outdoor fire and heating product use (cpsc.gov)
- Fire safety codes and recommendations for outdoor fire features (nfpa.org)
- Outdoor fire safety and wildfire prevention resources (usfa.fema.gov)
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.
