That was before weber invented the flavorizer bar and put the lava rock cartel out of business.
Weber gas grill lava rocks.
Even after hearing using lava would not be really a good idea i had to find out for myself i am pretty stubborn when i get something in my head.
As mentioned above lava rocks were used to build a barrier on gas grills.
Since lava stones are porous they retained a lot of heat on the barriers allowing the barrier to remain at extremely high temperatures.
Yep i remember my wife then girlfriend so many years ago had a gas grill with lava rocks.
You ll need some expandable grill grates that are easy to remove and replace if your grill doesn t have them already and enough lava rocks to form a tightly packed layer around the gas burners.
With the barriers being extremely hot it drippings vaporized and formed smoke which then would flavor the food being grilled.
Lava rocks will be placed on a special grate called a rock grate.
Pretty much any gas grill made prior to our invention used lava rocks which were a mess to clean and maintain not to mention prone to flare ups.
To be used in conjunction with a rock grate as a heat medium in gas grills.
If your gas grill doesn t heat up like it used to or you just want a change lava rocks make a great addition.
Lava rocks were nothing more than grease catchers resulting in flare ups galore.
Every weber spirit genesis and summit gas grill made today use flavorizer bars to direct grease and drippings away from the burner tubes which cuts down on flare ups tremendously.
You may also just place them on your grills grate just make sure you have some space between the rocks and the top of your grill.
You can find this grate at any home improvement store.
Using lava rocks ceramic briquettes in a weber gas grill will void the warranty on the unit and could present safety issues.
Sufficient for most grills.
Lava rocks require some air circulation to keep the heat even.
All you have to do is take out the burner guard and install a new grate for the rocks.
Weber genesis 1000 gas grill lava rock conversion since i bought this i have not been very satisfied with the heating control.