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StoTherm® ci 1177 -LM

StoTherm® ci 1177 -LM

StoTherm® ci 1177-LM is a high-performance, exterior wall cladding system that integrates a seamless air and moisture barrier with continuous insulation (ci), advanced drainage capabilities and Sto Armor Mat XX Mesh for additional reinforcement and impact resistance over glass mat gypsum sheathing. StoTherm® ci 1177-LM is engineered to meet the testing requirements for large and small missile impacts.

System Component Drawing:

Miami-Dade County NOA Expiration Date:

  • 06/11/2025

System information:

1 Steel Steel Frame (6" - 16 gauge)
2 Sheathing - 5/8″ ASTM C 1177 Sheathing (+/- 150 psf)
5 Air & Moisture Barrier - Wall Membrane: Sto Gold Coat
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
11 Insulation: Miami-Dade County Listed EPS, 1.0 pcf, Minimum 1-inch Thick
12 Mesh: Sto Mesh
Hurricane Impact - 10H.14

Hurricane Impact - 10H.14


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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