The amount of Fire Glass needed for each fire feature varies depending on size, shape and fill depth. There are several ways to determine the amount of is Fire Glass needed for a safe, clean burning system.
*To quick calculate the approximate pounds of Fire Glass needed for a fire feature multiply the width (inches) x depth (inches) x fill (2" - 4”) and divide total by 30. (Width of Front x Depth x Fill Level divided by 30).