





Heavy-Duty Fiberglass Deck Protector for Grills and Fire Pits – Portable Heat Shield Pad for Patio, Wood Decking, and Grass – Foldable Outdo | Thomler
Shield Your Deck From Extreme Heat Without Permanent Damage
Outdoor cooking and fire pit evenings create lasting memories, but intense radiant heat can leave permanent scorch marks on wood decking, composite boards, stone patios, and even grass. This portable heat shield sits beneath your grill, fire bowl, or portable heater to block extreme temperatures before they reach your outdoor surfaces. The three-layer thermal barrier reflects and absorbs radiant heat, keeping your patio or deck cooler and free from burn marks. You can fold it into a compact square for camping trips or garage storage between seasons, then unfold it in seconds when you're ready to cook or gather around the fire. The waterproof outer coating resists moisture and wipes clean with a damp cloth, so you're not replacing disposable protectors after every cookout. Whether you're hosting weekend BBQs or enjoying evening warmth from a fire pit, this reusable thermal pad helps you relax knowing your outdoor flooring stays protected.

Why You Need This
- Withstands up to 1472°F: Aluminum foil reflects radiant heat while fiberglass insulation and silica gel layers absorb residual warmth, so surfaces underneath stay cooler.
- Protects multiple outdoor surfaces: Works beneath grills, fire pits, and heaters on wood decks, composite boards, stone patios, concrete, and grass without leaving scorch marks.
- Folds for easy transport: Packs down flat for camping trips, tailgating, or compact storage in your garage or shed between seasons.
- Waterproof exterior layer: Resists moisture from rain or ground condensation and wipes clean after use, so you're ready for the next cookout without fuss.
- Reusable design saves money: Replace disposable heat pads with one durable mat you can use repeatedly season after season.
- Two size options: Choose 31.5 × 31.5 inches for smaller grills and fire bowls, or 39 × 39 inches for larger setups and extra coverage.
Built for Outdoor Living
Place this thermal barrier directly beneath charcoal grills, gas burners, fire bowls, or portable fire pits to stop heat transfer before it damages your outdoor flooring. The flexible construction adapts to uneven ground and folds along natural creases for quick setup and takedown. Homeowners rely on it for backyard patios, wooden decks, camping areas, and outdoor entertaining spaces where hot equipment could otherwise leave costly damage. The lightweight fiberglass construction won't weigh down your camping gear, and the waterproof coating dries quickly after morning dew or unexpected rain. When the season ends, simply wipe it clean, fold it flat, and store it until next spring. You'll enjoy free shipping across the United States and a straightforward 30-day return policy, so you can try it risk-free and see how much easier outdoor entertaining becomes when you're not worrying about heat damage to your deck or patio.
Free shipping across the United States — always, with no minimum order.
Every order is carefully packed and sent with Track & Trace, so you can follow your package every step of the way.
Order today? We ship the next business day.
Not completely happy? You have 30 days to return your purchase.
On top of that, we offer a 3-year warranty against manufacturing defects — your investment is in good hands.
Built for the outdoors
Made to handle sun, rain and wind.
Built to last
Tough materials made to endure.
Choose options






Straight From Your Camera Roll
You May Also Like
A Note From Our Founder
When I started Thomler, I wanted one thing — to make it easy to find pieces that actually make a home feel like yours, without the markup. Every item we carry is one I'd happily put in my own home. And if it's ever not right, you've got 30 days to send it back, no stress. I'm only ever an email away.