HydraShell Premium underlayment is among the safest, strongest, and best-performing solutions on the market. It is both lighter and stronger than Type 15 or 30 felt and is easier to handle during installation. HydraShell Premium won’t buckle, warp, or crack, and it is backed by a limited lifetime warranty.
This vent keeps your system performing at its best by promoting efficient airflow to reduce lint buildup and excess heat, helping prevent moisture damage inside the home. Its enclosed design works to keep out insects, critters, and rain, while the removable cap makes cleaning and maintenance simple and fast. With leak-prevention features built into the design, it helps reduce customer call-backs and gives installers a dependable solution they can trust on every shingle roof application.
Warranty: Limited Lifetime
Tensile Strength (ASTM D882): 126 lbs MD/92 lbs CD
Tear Resistance (ASTM D4533): 41 lbs MD/37 lbs CD
Rupture Resistance (ASTM D3462-02): 87 LBF
Beach Puncture (ICC AC-08): Pass
Long-Term Sag (ICC AC-08): Pass
Liquid Water Transmission (ASTM D4869-02): Pass
Ultra Violet Aging (ICC-ES AC 188): Pass
Accelerated Aging (ICC-ES AC 188): Pass
Calculate the exact amount of ventilation needed for a well-balanced system.
