FT Synthetics Hydra Synthetic Breathable Roofing Underlayment 48" X 250' (1,000 sq. ft.)

FT Synthetics HYDRA is a breathable synthetic roofing underlayment designed to add an extra layer of protection from water penetrating your roof and at the same time help the release of trapped moisture due to poor attic ventilation. HYDRA now features our exclusive HYDRY™ technology designed to tackle the problem of water on the roof deck during installation. Non-breathable synthetic roofing underlayments will trap liquid water on a roof deck which can quickly lead to mold growth and possible roof deck ...