ProGuard is designed to be placed over the opening of the ductwork during storage and transportation to protect the inside of ductwork from dust, dirt and other particles that can lead to poor indoor air quality.
ProGuard Heavy Duty is a dual-ply polyethylene film with a high-tack adhesive coating. It is specially-formulated to keep film attached and leave no residue when removed. Its unique manufacturing process gives ProGuard Heavy Duty unmatched puncture resistance, strength, elongation, and workability.
ProGuard Standard Grade is an economical singly-ply film with a low-tack adhesive coating.