Extra Large 90 x 48 in Under Grill Mat - Deck & Fireproof Pad

In this review the Falezern Extra Large under grill mat is assessed for homeowners who grill frequently and need broad surface protection. The bottom line: this 90 x 48 in mat is best for protecting wood or composite decks from grease, sparks and heat while accommodating large grills or fire pits; its most compelling trait is the triple-layer silicone coated fiberglass construction that claims fire resistance and easy surface cleanup. For anyone wanting a single mat to sit beneath a grill, fire pit or wood-burning appliance, it offers clear coverage and peace of mind.

Key Features

• Extra large coverage: The 90 x 48 in size provides an ample splash zone and is large enough to tuck under grill wheels so the mat extends beyond the cooking area.
• High heat resistance: The three-layer silicone coated fiberglass construction is designed to withstand very high temperatures and protect the surface below from embers and heat.
• Double-sided fireproof finish: Both faces are treated to resist flames and help contain sparks, making it suitable for grills, fire pits and nearby heat sources.
• Waterproof and oil-proof: The surface repels grease and liquids, so spills and drips can be wiped or washed away without staining the deck beneath.
• Durable edge treatment: The sewn ribbon edge reduces fraying and curling from heat exposure, improving long-term durability for outdoor use.
• Flexible and portable: Although heavy enough to resist wind, the mat rolls up for storage and can be repositioned without lifting a grill.

Who It's For

The mat is ideal for homeowners with large gas, charcoal or pellet grills and anyone who uses a fire pit on a deck or patio; its full 90 x 48 in footprint is especially useful when wheels need to sit on the pad. It also suits people who want one multi-use protector for built-in fireplaces, wood stoves or generators that may emit embers or spills.

Those who need a rigid hearth or a permanently fixed surface shield should look elsewhere; this flexible mat is designed as a portable protective layer rather than a structural hearth. Buyers seeking very thick, heavyweight pads may find the mat lighter and more flexible than expected.

Pros & Cons

Pros

• Large 90 x 48 in coverage protects a wide area and fits most large grills or fire pits.
• Triple-layer silicone coated fiberglass offers strong heat protection and flame-retardant performance.
• Waterproof and oil-proof surface makes cleaning simple after spills and grease splatter.
• Sewn edge improves longevity by preventing fraying and heat-related curling.

Cons

• Some users may find the mat relatively thin and lightweight, which can allow wind to move it if not weighed down.
• It is flexible rather than rigid, so it is not a substitute for a permanent hearth or concrete pad.

Specifications

Our Verdict

The Falezern 90 x 48 in under grill mat is a practical, multi-use protector for outdoor cooks who need broad coverage and easy cleanup. It delivers durable deck protection and good heat resistance in a flexible, roll-up form that works under grills, fire pits and similar heat sources. It represents solid value for those seeking a portable, effective shield rather than a permanent hearth solution.

Frequently Asked Questions

Will this fit my large grill?
Yes; at 90 x 48 in the mat is sized to fit most large grills and fire pits and can be placed under grill wheels.

Is the mat easy to clean?
Yes; the waterproof and oil-proof surface wipes clean or can be washed if needed.

Can it withstand embers and high heat?
The triple-layer silicone coated fiberglass and double-sided fireproof finish are designed to resist sparks and high temperatures for safe deck protection.