ICC-ES AC458
Full Name
ICC-ES AC458 – Acceptance Criteria for Exterior Ultra-high Performance Concrete Thin Wall Cladding Panels
Scope
ICC-ES AC458 establishes the acceptance criteria for evaluating exterior ultra-high performance concrete (UHPC) thin wall cladding panels used in building construction. These panels are characterized by their high strength, durability, and aesthetic appeal.
The scope of AC458 includes:
- Materials: specifications for the materials used in the panels, including the UHPC mix design, fibers, and any additional reinforcement or coatings.
- Manufacturing: requirements for the manufacturing process, ensuring the panels are produced with consistent quality, dimensions, and surface finish.
- Structural performance: criteria for evaluating the structural performance of the panels, including their ability to resist loads, wind pressure, and impact.
- Durability: assessment of the panels’ resistance to weathering, freeze-thaw cycles, and other environmental factors to ensure their long-term performance and appearance.
- Fire resistance: testing methods for determining the fire resistance rating of the panels, ensuring they meet building code requirements.
By adhering to AC458, manufacturers can ensure that their UHPC thin wall cladding panels meet the necessary standards for safety, durability, and aesthetic performance in building applications.
Resources
Keywords
acceptance criteria; cladding panel; concrete; durability; exterior; fire resistance; impact resistance; manufacturing; materials; panel; performance; structural performance; testing; thin wall; ultra-high performance concrete (UHPC); weathering; wind load resistance