Your cookie preferences
We use cookies to remember your preferences and understand how shoppers use our site, helping us improve your shopping experience.
Read our privacy policyThe AC02766 Extension is designed to expand the coverage of the certified Modular Heat Shield System AC02765, providing additional protection for walls near solid‑fuel appliances. This extension includes steel panels and wall brackets and measures 20" wide by 60" high by 2½" deep, offering increased surface area to safely reduce required clearances from combustible materials. Safety tested to UL 1618 and ULC S632 standards, it delivers reliable, code‑compliant heat shielding for enhanced installation flexibility and improved home safety.