The Biella Pre-Insulation Sheet PU Polyurethane Board is a premium foam insulation product designed for outside wall cladding and duct insulation. Made from high-quality polyurethane foam, it offers superior thermal resistance, effectively insulating walls and ducts to improve energy efficiency and reduce heat loss. The board is durable and long-lasting, featuring a protective aluminum foil layer that withstands harsh conditions. It is lightweight and easy to handle, simplifying the installation process and saving time and effort during construction or renovation. Additionally, the aluminum foil facing enhances moisture protection, repelling moisture to prevent potential damage and maintain the integrity of the insulation over time.