Guarding outdoor spaces from grease, embers, and stains is essential for long-lasting decks and patios. Extra-large grill mats provide expansive coverage, heat resistance, and easy cleanup for rainy, sunny, and busy grilling seasons. This guide highlights five top options designed to shield decks, patios, and porches while accommodating various grill sizes and setups. Each product is evaluated on coverage, heat tolerance, durability, and cleaning convenience to help you compare without guesswork.
| Brand | Name | |
|---|---|---|
| Rumlick | 100×39 Inches Extra-Large Under Grill Mat | 100×39 inches |
| THMINS | 100×51 Inches Extra Large Grill Mat | 100×51 inches |
| TOHONFOO | 90×48 Inches Extra Large Grill Mat | 90×48 inches |
| TAOMAND | 76×52 Inches Under Grill Mats | 76×52 inches |
| UBeesize | 65×48 Inches Under Grill Mat | 65×48 inches |
Rumlick 100×39 Inches Extra-Large Under Grill Mat

Rumlick offers an extra-large 100×39 inch under grill mat designed for households with multiple grills or larger outdoor cooking setups. The double-sided fiberglass construction with heat resistance up to 2000°F provides robust protection for decks, patios, and lawns. The surface is oil-proof and waterproof, simplifying cleanup after cooking. Its large size helps cover grill footprints, prep areas, and surrounding spill zones, reducing the need for frequent maintenance of outdoor surfaces.
THMINS 100×51 Inches Extra Large Grill Mat

THMINS provides a substantial 100×51 inch mat with fiberglass core and a silicone-coated surface, delivering fire resistance up to 2000°F. The mat is designed for broad protection across decks, patios, and grass, minimizing cleanup and guarding surfaces from embers and spills. The edge stitching enhances durability in high-heat grilling environments, while the silicone coating helps resist oil, water, and stains for long-term reuse.
TOHONFOO 90×48 Inches Extra Large Grill Mat

TOHONFOO’s 90×48 inch mat emphasizes heavy-duty protection with fiberglass and a silicone coating rated up to 2000°F. The larger footprint reduces the risk of stray embers and drips reaching the ground, protecting pavers, wood, and concrete. The mat is designed for easy cleaning and storage, with a focus on resisting heat, oil, and water damage for extended outdoor use.
TAOMAND Large 76×52 Inches Under Grill Mats

TAOMAND delivers a 76×52 inch double-sided grill mat with fireproof, waterproof, and oil-proof protection. Made from fiberglass with a thick silicone coating, it stands up to high heat, while edge stitching prevents curling and cracking. The mat includes a storage bag for portable use, making it suitable for decks, patios, and indoor fireplace or outdoor kitchen setups alike.
UBeesize Large 65×48 Inches Under Grill Mat

UBeesize offers a 65×48 inch under grill mat with double-sided fireproof silicone coating and fiberglass construction, rated up to 2000°F. The mat is designed for easy cleaning, oil resistance, and storage. Its versatility suits deck protection, fire pits, and indoor use while providing a durable barrier against embers and splatters.
Buying Guide
- Coverage and fit: Choose a mat that fully covers the grill footprint and surrounding spill areas. Larger mats reduce the risk of stray embers and drips reaching ground surfaces.
- Heat resistance: Look for mats with fiberglass cores and silicone coatings rated to at least 1200–2000°F. Higher ratings provide greater protection around charcoal grills, smokers, and hot grills.
- Double-sided design: Mats with double-sided coatings resist oil, water, and stains from both sides, extending lifespan and easing cleaning.
- Durability and stitching: Edge stitching and reinforced seams help prevent curling, tearing, or cracking under heat and wind exposure.
- Cleaning and storage: Consider mats that are waterproof, easy to rinse, and come with a storage bag for portability and tidy storage.
- Material safety and surface type: Fiberglass-based mats with silicone coatings avoid hard plastic surfaces that could melt or trap heat on sensitive decks or pavers.
- Ease of use: Some mats can be cut to size or shaped to fit irregular grill setups, offering flexible installation options.