As mentioned above lava rocks were used to build a barrier on gas grills.
Weber gas grill lava rocks.
With the barriers being extremely hot it drippings vaporized and formed smoke which then would flavor the food being grilled.
Lava rocks were nothing more than grease catchers resulting in flare ups galore.
None of our grills feature lava rocks ceramic briquettes and when we made our first line of genesis gas grills back in 1985 we specifically designed them to not feature lava rocks ceramic briquettes.
That was before weber invented the flavorizer bar and put the lava rock cartel out of business.
Sufficient for most grills.
Lava rocks require some air circulation to keep the heat even.
Weber genesis 1000 gas grill lava rock conversion since i bought this i have not been very satisfied with the heating control.
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.
Sugarpie is correct you do not need lava rocks with any new gas grills especially weber good choice all new gas grills come with those v shaped bars that sit just over your burner tubes.
To be used in conjunction with a rock grate as a heat medium in 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.
All you have to do is take out the burner guard and install a new grate for the rocks.
Yep i remember my wife then girlfriend so many years ago had a gas grill with lava rocks.
Lava rocks will be placed on a special grate called a rock grate.
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.
You ll still use the gas to heat the grill but the lava rocks store the heat better and distribute it throughout the grill more evenly.
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.
Using lava rocks ceramic briquettes in a weber gas grill will void the warranty on the unit and could present safety issues.
You can find this grate at any home improvement store.