10 Best Under Grill Mat For Composite Deck 2025 in the United States

The UBeesize Thickened Under Grill Mat is a robust option for those using grills or fire pits on composite decks. Its substantial size of 60x36 inches provides ample coverage for protecting surfaces from potential damage caused by heat or embers. Made from fiberglass with a double-sided thickened silicone coating, this mat offers impressive heat resistance, up to 2000 degrees Fahrenheit. This feature makes it highly effective for preventing heat-related damage to decks and patios, which is essential for maintaining the integrity of composite materials.

The product is designed for ease of use, with a non-slip backing that ensures it stays in place during use. Its waterproof nature facilitates cleaning; simply rinse with water or wipe with a damp cloth, making post-barbecue clean-up straightforward. Additionally, the mat's ability to be folded for storage adds to its convenience, especially when space is limited.

One of the mat's strengths is its durability, a result of its advanced materials and construction. However, while the fiberglass and silicone coating provide high heat resistance and longevity, the mat's effectiveness in extremely windy conditions might be less than ideal due to its lightweight nature (1.9 pounds). Users should consider securing it during such weather to prevent displacement. In terms of weather resistance, the mat performs well, but prolonged exposure to harsh elements might eventually affect its longevity, so occasional checks and maintenance could be beneficial.

The UBeesize Large 65 x 48 inches Under Grill Mat is designed to protect composite decks and patios from damage caused by outdoor grilling. Made from fiberglass with a double-sided silicone coating, this mat offers impressive heat resistance up to 2000 degrees Fahrenheit. It is also fireproof, waterproof, and resistant to oil, ensuring that it can handle the messy aftermath of a barbecue.

The product’s large size provides ample coverage, making it suitable for various outdoor areas including gardens and patios. Its non-slip backing ensures it stays in place during use. Additionally, the mat’s waterproof nature makes it easy to clean with just soap and water or a garden hose, and it can be folded for convenient storage. It comes with a storage bag, adding to its practicality.

The mat is highly durable and has undergone extensive quality checks, but at a weight of 2.27 pounds, it is lightweight and could be susceptible to strong winds if not secured properly. This under grill mat is a solid choice for those looking to safeguard their decks and patios while enjoying outdoor cooking.

The Cuisinart Premium Deck and Grill Mat is designed to offer reliable protection for your deck or patio, whether it's made of wood, composite, or concrete. Made from 100% PVC, this mat is weather-resistant and can endure various weather conditions such as rain and sun, making it suitable for all-season use.

The size of the mat, at 65” x 36”, provides ample coverage for most grills, griddles, and BBQ setups, ensuring that spills and grease do not damage your outdoor surfaces. The substantial weight and non-slip design mean it stays securely in place during use, reducing the risk of accidents or movement while grilling.

Cleaning is straightforward—all you need to do is rinse off any grease or grime with water, keeping maintenance hassle-free. Although it may not offer specific heat resistance features, its PVC construction provides some inherent durability against heat. Weighing 8.13 pounds, it's manageable for most users to handle and place under their grill setup. This mat is ideal for those looking for a durable, easy-to-maintain solution to protect their decks and patios from the wear and tear of frequent grilling.