Needs an air gap for thermal insulation, protects from radiant? . . Heat transfer

Sheep’s wool is our number one choice for insulation. It’s renewable, sustainable, biodegradable and compostable. It actively manages moisture reducing the risk of mold, mildew and rust. It’s also sound absorbent and actually filters air pollutants such as formaldehyde, NOx, and SO2! Havelock wool has become the industry standard for custom camper vans, and for good reason. Check out their website for more info: HavelockWool.com