Vermiculite is mostly used for Propane (LP) gas logs. It is poured into the burner pan to aid the heavier LP gas to spread across the burner more effectively. Provides a nice looking base under the gas logs and allows the gas to permeate through it easily.
Installation: - Fill the burner pan completely with vermiculite. - Avoid spilling on the pilot assembly. - Do not place vermiculite on other parts of the burner or heat shield. - Slope the vermiculite at the same angle as the burner pan to aid in even flame distribution.