ICC-ES AC160
Full Name
ICC-ES AC160 – Acceptance Criteria for Nonasphaltic Fiberglass-based Roof Underlayment
Scope
ICC-ES AC160 outlines the acceptance criteria for nonasphaltic fiberglass-based roof underlayment to be used in various building applications. The criteria cover aspects such as:
- Material properties: defining the minimum requirements for tensile strength, tear resistance, puncture resistance, and other physical properties of the underlayment.
- Water resistance: specifying the maximum permissible water vapor transmission rate and ensuring that the underlayment can withstand prolonged exposure to moisture without degradation.
- Durability: evaluating the underlayment’s ability to resist weathering, ultraviolet radiation, and temperature extremes without compromising its performance.
- Fire resistance: assessing the underlayment’s compliance with applicable fire safety codes and standards, such as flame spread and smoke development limitations.
- Compatibility: ensuring the underlayment is compatible with various roofing materials, adhesives, and other components commonly used in roof assemblies.
The criteria aim to establish a standardized framework for evaluating the performance and suitability of nonasphaltic fiberglass-based roof underlayment, providing confidence to building officials, architects, and contractors regarding its reliability and effectiveness.
Resources
Keywords
fiberglass-based; roof underlayment; nonasphaltic; acceptance criteria; tensile strength; tear resistance; puncture resistance; water vapor transmission rate; weathering; ultraviolet radiation; temperature extremes; flame spread; smoke development; compatibility; roof assemblies; performance; durability; fire resistance