Blaze Insulated Jacket For Double Side Burners - BLZ-SB2-IJ. BLZ-SB2-IJ. Insulated Grill Jackets. This Blaze insulated jacket is a safety essential when installing your Blaze double side burner into a combustible enclosure such as an outdoor kitchen or BBQ island. This insulated jacket is constructed of stainless steel with a self-supporting ledge around the sides and back that adds one more layer of quality to your outdoor kitchen.Some assembly required....