If you plan on installing your grill near any combustible materials, an insulating jacket is vital to keep you, your friends, and your family safe. It's available for the 30 inch, 36 inch, 42 inch, and 54 inch grill models, as well as our 24 inch Power Burner, 30 inch Dine & Breakfast Club, and 30 inch Teppanyaki Griddle.