To get that bright ember effect when you install ceramic gas logs you need rock wool. You can use the rock wool combines with Vermiculite to increase that glow affect of burning embers. It is designed to be used with either natural gas burners and log sets or propane burners and log sets. This rock wool is for gas logs sets and is an approved product to replace the original rock wool that part of the original log kit you purchased.
- Creates realistic "glowing embers" for gas fireplaces
- Suitable for use with natural gas and propane log sets