RoofAquaGuard is a line of superior underlayments designed for use beneath metal roofing systems, including standard and premium synthetics and ice and water shields, as well as a breathable underlayment with over 80 perms. Dry-Tech is an entangled mesh for sound attenuation and creating a thermal break. NEW PRODUCT! AquaDefender is a premium anti-condensation material with unmatched moisture absorption and engineered for ease of application during roll-forming.