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StoPowerwall® HI Wall Panel System

StoPowerwall® HI Wall Panel System

StoPowerwall® HI is a stucco wall assembly with continuous air and moisture 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.

System Component Drawing:

Miami-Dade County NOA Expiration Date:

  • 08/02/2022

System information:

1 Steel Frame (6-18 gauge)
2 Sheathing: National Gypsum eXP (5/8 inch)
5 Air & Moisture Barrier - Wall Membrane: Sto EmeraldCoat
6 Air & Moisture Barrier - Sheathing Joints & Corners: Sto RapidGuard™
7 Air & Moisture Barrier - Rough Opening Protection: Sto RapidGuard™
8 Air & Moisture Barrier - Flashing and Penetration: Sto RapidGuard™
9 Air & Moisture Barrier - Dynamic Joints and Seams: StoGuard Transition Membrane
10 Building Paper: Type D, No. 15
11 Galvanized Expanded Metal Lath (2.5lb/yd2)
12 Sto Stucco: StoPowerwall Stucco
13 Finish: Stolit Lotusan 1.5
Hurricane Impact - 6H.01

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.

Sto Hurricane Impact Systems – S556E
File Ref.# S565E
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