DCS 30" Insulation Jacket - BGB30-IJS is the only approved thermal barrier for integrating your grill into outdoor enclosures constructed with combustible materials. This jacket has undergone rigorous testing and engineering to safely manage heat transfer, protecting surrounding structures from fire hazard. Essential for code-compliant installations where your grill will be built into wood, composite, or other flammable construction materials. Meets DCS safety specifications and installation requirements.