DURO MASTIC™ AC Clear is a waterproof and UV resistant liquid top coat used for the long-term decorative coating and sealing of building surfaces. It cures to form a flexible waterproof coating that is resistant to weathering. Although the coating is waterproof it allows the substrate to breathe, reducing the risk of blistering. DURO MASTIC™ AC Clear has been used for over 20 years as a roof membrane. Read More