Thank you for purchasing our products. For best results use a low / medium flame with Toppers and Toppings. Using the fireplace over a long period of time, on a high heat, (Over 650 degrees) will result in the heat carbonizing the metal particles to the surface – darkening the product and possibly cracking it over time.
However, you do not need to worry about the FireGlass – as that is safe to burn on high heat over long periods.
We advise the following rules:
Toppings – Sprinkle the majority of the Toppings around the fire area / flames.
Toppers – If you plan to turn your fireplace flame to high, remove those Topper pieces that are directly in the flame.
Not following these rules will void all Toppers and Toppings product warranty.