French Country Cottages

Fireplace Rock Wool. 4.5 out of 5 stars 165 $12.97 $ 12. You will see an increase in soot within the appliance if you put them in wrong though.

Rock wool is a good choice for homes that are in hot climates, as it can help keep the home cool. Decorative rock wool is used on vented gas logs or to replace the wool on direct vent gas fireplaces. This may cause potential sooting, glass breakage and a fire hazard.