HydraShell® AIRX-30™ is a breathable underlayment engineered to allow trapped moisture within the roof system to escape, helping roof decks dry after exposure to rain or snow during construction. Its moisture-release capability helps prevent mold, mildew, and structural damage, while its textured, slip-resistant walking surface delivers superior safety and productivity during installation. Approved for use under multiple roofing materials and compliant with ASTM D226, ASTM D4869, and AC 188 standards, AIRX-30™ is a smart upgrade for premium roofing systems that demand long-term performance and protection.
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.
Tensile Strength (ASTM D5034): MD 85 lbs (38.5 kg) | CD 70 lbs (31.7 kg)
Tear Strength (ASTM D4533): MD 32 lbs (14.5 kg) | CD 25 lbs (11.3 kg)
Liquid Water Transmission (ASTM D4869): Pass
Fire Rating (ASTM E108): Class A
Puncture Resistance (ASTM D751): 150 Psi
Permeability (MVTR) (ASTM E96): 8 Perms
UV Exposure Period (ASTM G154): 6 Months
Temperature Range: -40℉ to 240℉
Sealability Around Nail (ASTM D7349): Pass
Moisture Vapour Permeance (ASTM E96): 5.7 ng/Pa.S.M²
Slip Resistance (ASTM D1970): Pass
Calculate the exact amount of ventilation needed for a well-balanced system.
