If you grill on a deck, you already know how fast grease, heat, and stray embers can cause trouble. The right under-grill mat can help shield wood, composite, or concrete while keeping cleanup simple. In the options ahead, you’ll see mats that balance heat resistance, coverage, and durability in different ways, and a few may fit your setup better than you expect.
Product availability last checked: October 2026
Which Grill Mat Fits Your Grill?
- Large griddles like Blackstone: rumlick 79 x 39.
- Standard gas grills: Cuisinart 65 x 36, Huchiz 65 x 39 or GRILLTEX 72 x 39.
- Grill plus a side table: UBeesize 65 x 48.
- Small grills and kettles: 48 x 30 mat.
- Fire pits: Huchiz 36 inch round.
Will the Mat Fit Your Grill?
Measure your grill, including side shelves.
For a 6 inch border on every side the mat needs at least –.
| Mat | Size | Fit | |
|---|---|---|---|
| Cuisinart | 65 x 36 in | – | View on Amazon |
| GRILLTEX | 72 x 39 in | – | View on Amazon |
| UBeesize | 65 x 48 in | – | View on Amazon |
| rumlick | 79 x 39 in | – | View on Amazon |
| Huchiz | 65 x 39 in | – | View on Amazon |
| Under grill mat | 48 x 30 in | – | View on Amazon |
| Huchiz round | 36 in round | – | View on Amazon |
A border catches grease drips and dropped food. Under a fire pit, many owners like 12 inches or more.
More Details on Our Top Picks
Cuisinart Grill Mat Non-Slip Rubber Weather-Resistant 65″ x 36″
If you want broad deck protection, the Cuisinart Grill Mat stands out as the overall top pick. You get a 65″ x 36″ mat made from 100% PVC that handles rain, sun, and heavy use all season long. It shields wood, composite, and concrete surfaces from grease, spills, and stains, so your deck or patio stays cleaner. Its substantial weight and non-slip design keep it steady under grills, griddles, and BBQ setups. When it gets dirty, you can rinse off grease and grime with water, then use your outdoor space again fast.
- Size:65 x 36 in
- Material:PVC
- Heat Resistance:Weather-resistant
- Water Resistance:Weather-resistant
- Oil Resistance:Grease-resistant
- Portability:Stationary
- Additional Feature:Weather-resistant PVC
- Additional Feature:Non-slip stability
- Additional Feature:Easy hose cleaning
Not ideal if it goes under a fire pit. It is a rubber mat made for under a grill.
GRILLTEX Grill Protective Deck and Patio Mat
GRILLTEX’s 39 x 72-inch mat gives you broad deck protection with extra front coverage where grill spills happen most. You can place it under your grill to shield decks, patios, or garage floors from sauce, grease, and oil. The black mat won’t stain wood or paver stones, so you keep your surface looking clean. Its front drip zone adds targeted defense right where messes start. When it’s dirty, wipe it with a paper towel and household cleaner, or hose it off for faster cleanup.
- Size:39 x 72 in
- Material:Protective mat material
- Heat Resistance:Spill-protective
- Water Resistance:Hose-cleanable
- Oil Resistance:Oil-resistant
- Portability:Stationary
- Additional Feature:Front drip extension
- Additional Feature:Garage floor protection
- Additional Feature:Paper towel cleanup
Not ideal if your space is short on depth. Check the 39 x 72 inch size against your deck first.
UBeesize Large Double-Sided Fireproof Grill Mat for Outdoors
UBeesize’s 65 x 48-inch mat is your go-to fireproof pick for larger grills and fire pits. You get heavy-duty fiberglass with double-sided silicone coating that withstands up to 2000°F, so sparks, flare-ups, and splatter won’t threaten your deck or patio. It’s waterproof, oil-resistant, heat-resistant, and won’t stick, curl, tear, or crack easily. Fine-stitched edges boost durability. You can place it under grills, fire pits, fireplaces, or even use it for welding and camping. Afterward, rinse it clean, fold it up, and pack it in the storage bag.
- Size:65 x 48 in
- Material:Fiberglass
- Heat Resistance:2000°F
- Water Resistance:Waterproof
- Oil Resistance:Oil-resistant
- Portability:Foldable
- Additional Feature:2000°F fireproofing
- Additional Feature:Dual-sided silicone coating
- Additional Feature:Storage bag included
Not ideal if your space is narrow. At 65 x 48 inches it is the deepest rectangle here.
rumlick 79×39 inches Large Under Grill Mats for Blackstone Outdoor Deck BBQ
Rumlick’s 79×39-inch mat is the heavy-duty pick for Blackstone owners protecting large deck spaces. You get a durable fiberglass build with heat-resistant coating on both sides, so it stands up to temperatures as high as 2000°F. It shields wood, pavers, decks, patios, and lawns from sparks, hot grease, oil, and food mess. You can fold it, carry it, and store it easily for camping, tailgates, fire pits, or fireplaces. Its silicone-coated surface wipes clean fast, resists stains, and stays reusable season after season. Keep flames off it, and it’ll last longer.
- Size:79 x 39 in
- Material:Fiberglass
- Heat Resistance:2000°F
- Water Resistance:Waterproof
- Oil Resistance:Oil-proof
- Portability:Foldable
- Additional Feature:Double-sided coating
- Additional Feature:24/7 customer support
- Additional Feature:Blackstone grill fit
Not ideal if your grill is small. At 79 x 39 inches it is the largest mat here.
Huchiz Under Grill Mats for Outdoor Grill – 65 x 39 Inch BBQ Deck Protector
Huchiz’s 65 x 39-inch mat is a versatile pick for protecting large grill setups. You get fiberglass construction coated on both sides with fireproof silicone, so it stands up to hot embers and dripping oil. The stitched edges help prevent curling or cracking, and the slim 0.02-inch profile keeps it low-key under your grill. Its waterproof, oil-resistant surface blocks grease, sauces, and stains on decks, patios, or lawns. You can use it with charcoal grills, gas grills, smokers, fire pits, and fireplaces, then rinse it clean and fold it away for trips, camping, or backyard parties.
- Size:65 x 39 in
- Material:Fiberglass
- Heat Resistance:Fireproof silicone
- Water Resistance:Waterproof
- Oil Resistance:Oil-proof
- Portability:Foldable
- Additional Feature:Stitched anti-curl edges
- Additional Feature:Lightweight foldable design
- Additional Feature:Fits fireplaces too
Not ideal if you have a griddle station with side tables. Check that 65 x 39 inches leaves a border.
Linda’s Essentials Under Grill Mat for Outdoor Grill Deck Protector
If you grill often, this 48 x 30-inch mat is a compact pick that shields your deck. You can place it under most grills to catch oil, grease, stains, and spills before they reach your patio, lawn, or deck. The fiberglass build with a double-sided silicone coating resists heat from hot drips and heavy use. Stitched edges help stop curling, cracking, and sticking, so it lasts longer. When you’re done, just wipe it clean, rinse it, or hose it off. Fold it up for easy storage. It’s made by Linda’s Essentials, a dependable family-owned brand.
- Size:48 x 30 in
- Material:Fiberglass
- Heat Resistance:Heat-resistant coating
- Water Resistance:Waterproof
- Oil Resistance:Non-stick
- Portability:Foldable
- Additional Feature:Family-owned brand
- Additional Feature:Stitched anti-crack edges
- Additional Feature:Hygienic outdoor spaces
Not ideal if you have a full-size gas grill. At 48 x 30 inches it suits small grills and kettles.
Huchiz 36″ Fire Pit Mat for Solo Stove Bonfire
The 36-inch Huchiz mat keeps your Solo Stove Bonfire area protected from sparks, spills, and heat. You get a round, fireproof, oil-resistant barrier that shields your deck, patio, or lawn from embers, hot oil, sauces, and food stains. Its flame-retardant fiberglass core and double-sided silicone coating handle heat up to 2000°F, so you can burn with more confidence. When it gets dirty, you can rinse it with a hose or wipe it clean. It’s reusable, foldable, portable, and works with grills, fireplaces, charcoal cookers, and stoves too.
- Size:36 in round
- Material:Fiberglass
- Heat Resistance:2000°F
- Water Resistance:Waterproof
- Oil Resistance:Oil-resistant
- Portability:Foldable
- Additional Feature:Round fire pit mat
- Additional Feature:Solo Stove compatible
- Additional Feature:Fire prevention use
Not ideal if you have a rectangular grill. It is a 36-inch round mat for fire pits.
What Else You Will Need
Protects the grill itself once the deck is covered.
No wire bristles to drop onto the mat or into food.
Factors to Consider When Choosing Under-Grill Mats for Deck Protection
When you choose an under-grill mat, make sure it’s large enough to cover the full splash zone and protect your deck. Check the heat resistance rating, surface material, and slip-resistant design so it can handle high temps and stay put. You’ll also want weather durability if your grill stays outside year-round.
Mat Size Coverage
Choosing the right mat size starts with covering your grill’s full footprint, plus a little extra on all sides for grease splatters, spills, and stray embers. You should measure the grill, then add coverage in front and around high-spill zones, where drips and food residue often land. Larger mats, from about 39 x 30 inches to 79 x 39 inches or more, give you broader protection for decks, patios, and lawns. An oversized mat can shield more than the base alone, helping stop damage from flying embers and stray grease. Make sure the mat still fits your space, though, so you can place it, clean it, store it, and move it without hassle while keeping your outdoor area protected.
Heat Resistance Rating
Heat resistance matters most because your under-grill mat has to stand up to embers, flare-ups, and dripping grease without melting, warping, or catching fire. You should look for a high heat resistance rating so the mat can handle intense grilling temperatures and protect your deck or patio. Many quality mats withstand up to 2000°F, which gives you a strong safety buffer during heavy cooking sessions. That rating also helps the mat keep its shape and last longer under repeated heat exposure. Double-sided silicone coatings can boost protection by repelling heat, oil, and flame. Stitched edges and fireproof fiberglass construction add strength, helping the mat stay intact when temperatures rise.
Surface Material Type
The right surface material can make all the difference in how well an under-grill mat protects your deck or patio. You should match the mat to your surface, whether it’s wood, composite, concrete, pavers, or stone, so it performs well without causing harm. On wood decks, choose a mat that blocks grease, oil, stains, and heat to help prevent discoloration and warping. If your patio has porous pavers or wood, look for stain-resistant materials that stop spills from soaking in and make cleanup easier. For extra defense, especially where embers or high temperatures are a concern, fireproof fiberglass mats with silicone coatings add strong protection. Also, pick a mat with enough weight to stay put on smooth or uneven ground.
Slip Resistance Features
When you’re choosing an under-grill mat, slip resistance should be a top priority because a mat that shifts can create a real safety hazard. You want a mat that stays put under a heavy grill, griddle, or BBQ setup, even when you’re moving around it. Look for substantial weight or a non-slip backing that grips the deck instead of sliding. Textured or rubberized surfaces can add traction on wood, composite, and concrete, giving you more stability where you need it most. Good slip resistance also helps keep the mat in place when grease, spills, or outdoor messes hit the surface. Before you buy, check whether the mat has been tested on inclined or wet surfaces so you know it’ll stay steady.
Weather Durability
Weather durability matters because your under-grill mat needs to handle rain, sun, and seasonal temperature swings without breaking down. You should choose a mat made from weather-resistant materials like PVC or coated fiberglass, since they stand up to moisture, UV rays, and repeated temperature changes. That resilience helps the mat keep its shape, protect your deck, and stay non-slip even after heavy outdoor use. When you invest in a mat that resists water and weather, you also reduce the chance of mold, mildew, and staining during long stretches outside. A durable mat won’t need constant attention, so it stays functional and looks good over time. In short, strong weather performance gives you reliable protection season after season.
Cleanup Ease
Cleanup ease can make a big difference, especially if you grill often and don’t want to spend extra time scrubbing after every cookout. You’ll save time when you choose an under-grill mat with a waterproof, non-stick surface, since you can rinse it with water or wipe it down with a damp cloth. Silicone-coated mats also help because they resist grease, oil, sauces, and food stains, so messes don’t soak in. For tougher spills, you can use a household cleaner or spray the mat with a garden hose and remove residue without hard scrubbing. Stitched edges and durable materials keep the mat from curling or cracking, which helps it stay cleaner longer. Lightweight, foldable designs also make it easier to carry the mat to a cleaning area or storage spot.
Surface Compatibility
Surface compatibility matters because the right under-grill mat should protect your deck, patio, or garage floor without causing stains or damage of its own. You need a mat that works with wood, composite, concrete, pavers, or even lawn surfaces, since each one reacts differently to heat, grease, and moisture. Look for weather-resistant, waterproof materials so water won’t seep through and harm the surface below. If you grill on wood or pavers, choose a fire-resistant mat that helps block sparks, embers, and high heat. You’ll also want non-slip construction and enough weight to keep the mat steady on textured or smooth flooring. That stability helps prevent shifting while you cook and keeps your surface protected throughout use.
Portability And Storage
Portability matters if you move your grill between the deck, driveway, campsite, or tailgate. You’ll want a mat that’s lightweight so you can carry it without hassle, and foldable so it fits in your vehicle or gear bag. Compact designs save space, especially when you’re packing for camping, tailgating, or picnics. Look for mats that include a storage bag or fold neatly without bulk, since that makes cleanup and stowing easier after cooking. Flexible, durable materials matter too; they help prevent cracking or curling when you fold the mat repeatedly. Easy-to-clean surfaces also make a difference, because you can wipe them down fast and get them ready for the next use.
Frequently Asked Questions
How Do I Clean an Under-Grill Mat After Grease Spills?
You can clean it by letting grease cool, scraping off solids, then washing the mat with warm water, dish soap, and a soft brush. Rinse well, dry it completely, and inspect for stubborn stains afterward.
Can Under-Grill Mats Damage Composite Decking Over Time?
Yes, you can avoid damage if you choose a breathable, heat-resistant mat and clean beneath it regularly. You’ll trap less moisture, prevent discoloration, and protect your composite decking from scratches, grease, and prolonged heat.
Do I Need a Mat Under a Pellet Grill Too?
Yes, you probably do, especially if you grill on wood or composite. Pellet grills can leak grease, ash, and heat, so you’ll protect your deck and simplify cleanup with a proper mat underneath.
Will Strong Winds Blow an Under-Grill Mat Out of Place?
Yes, strong winds can shift a loose mat, especially on smooth decks. You’ll reduce that risk by choosing a heavier, textured mat, placing your grill on it, and using anchors or edge weights.
How Often Should I Replace a Used Grill Deck Mat?
You should replace your used grill deck mat when it shows cracks, curling, burn marks, or fading, usually every 1–3 years. Inspect it often, and swap it sooner if it stops lying flat.
