Granite under a fire pit
Eric Ferguson of Shrewsbury, Massachusetts purchased a 24" DeckProtect for his Breeo fire pit because his first solution for using the Breeo on his deck ended badly:
"Recently, I purchased a Breeo 19” Phoenix firepit, with the intent of using it on my composite deck. In an effort to protect the surface of the deck, I purchased a 24” x 24” piece of granite that was approximately 1”-1.5” in thickness. My thought was that the granite would protect the deck surface from the heat of the firepit. Unfortunately, during my first fire I realized that the deck was melting under the granite. The following morning I learned that the granite was actually stuck to the deck. I chipped away at the granite with a hammer and learned that the deck was burned in the exact shape and circumference of the firepit, to the extent that the granite was actually fused into the deck. The heat had radiated through the granite and not provided any protection at all. I incurred several hundred dollars in repair costs."
The granite had actually functioned as a "heat sink." To be fair, the Breeo burns hotter than most other fire pits. Since the deck had been built before Eric purchased the home, he did not know the make of the composite decking. The only way the contractor who made the repairs could match the burned boards was to take boards from the steps.