ICC-ES AC464
Full Name
ICC-ES AC464 – Acceptance Criteria for Load Bearing Thermal Break Assemblies Installed Between Concrete Balconies and Concrete Floors
Scope
ICC-ES AC464 establishes the acceptance criteria for evaluating the structural and thermal properties of load-bearing thermal break assemblies (LBTBAs) installed between concrete balconies and concrete floors. These assemblies are designed to minimize heat transfer between the interior and exterior of a building, improving energy efficiency and preventing thermal bridging.
The scope of AC464 includes:
- Structural performance: criteria for evaluating the structural capacity of LBTBAs under various loading conditions, ensuring they can safely support the weight of the balcony and any additional loads.
- Thermal performance: requirements for assessing the thermal resistance of LBTBAs, ensuring they effectively minimize heat transfer and prevent condensation.
- Material compatibility: evaluation of the compatibility of LBTBA materials with concrete and other building components, ensuring long-term durability and performance.
- Testing procedures: standardized test methods for assessing the structural and thermal properties of LBTBAs under simulated service conditions.
- Installation: guidelines for the proper installation of LBTBAs, ensuring they are securely anchored and sealed to prevent water infiltration.
By adhering to AC464, manufacturers can ensure that their LBTBAs meet the necessary standards for structural integrity, thermal performance, and durability in building applications.
Resources
Keywords
vinyl siding; foam plastic backing; tensile strength; impact resistance; weatherability; colorfastness; heat distortion temperature; wind load; impact load; fire resistance; tensile testing; impact testing; weatherability testing; colorfastness testing