60" X 64 1/8" Certified Modular Heat Shield System

The AC02766 Extension is designed to expand the certified Modular Heat Shield System AC02765, providing additional wall protection for installations requiring increased heat shielding. It includes durable panels and wall brackets and measures 20" wide by 60" high by 2½" deep, allowing users to extend coverage and safely reduce clearances around solid‑fuel appliances. Safety tested to UL 1618 and ULC S632 standards, this extension delivers reliable, code‑compliant protection that enhances flexibility and safety in wood‑burning or cookstove installations.