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StoPowerwall® HI is a stucco wall assembly with continuous air and water-resistive barrier and moisture drainage. It combines the strength and durability of traditional stucco with StoGuard moisture protection and Sto Armor Mat XX Mesh for additional reinforcement and impact resistance and is engineered to meet the testing requirements for large and small missile impacts.
Hurricane Impact - 6H.01
Sto Hurricane Impact (HI) Systems provide a full range of exterior cladding options to protect against hurricane and tropical storm winds, water intrusion, and windborne debris, a major cause of building envelope failure. This system meets Miami-Dade County, Florida criteria for impact resistance, air and water infiltration, and wind load resistance.