Fireglass Calculator

Square / Rectangle Fire Pits or Fireplace

Formula calculates 1" glass depth.
Back  Length (A)
Front Length (B)
FP Width (C)

Formula calculates 1" glass depth


NATURAL GAS: Apply 2"- 3" of fire glass above burner for optimal flame appearance.
Double above total for 2" glass depth.
Additional glass required to mound glass or create shapes.
PROPANE GAS: Refer to manufacturer instructions when considering fire glass for
propane fire features.
IMPORTANT!!! Fire glass for use with approved fireplaces, fire pits and fire features only.

RECOMMENDATION: Use less expensive filler fire glass to fill area around burner.

1 lb = 1 cup
12 lbs = 1 gallon
40 lbs fills a box 12" Length x 12" Width x 6" Height