This is an excellent use of the material. You can use it for insulation inside any vehicle, apply on walls, floors, ceiling, inside doors and on the firewall. It will save on weight, provide more usable space, and protect the substrate from corrosion, mold and mildew. It will also allow your vehicle to be warmer in the winter and cooler in the summer. It will also reduce road noise considerably, reducing driver fatigue. You can apply this under the floor and wheel wells as well to further reduce road noise and protect from exhaust and road heat. Please look at our other advanced Tecmari Nano Ceramic Products to keep your R/V and Yacht looking and performing their best.