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ASTM Building Envelope Standards

Standards for drainage, weather-resistant barriers, and building envelope systems

Last updated: September 21, 2025


Contents

OverviewKey Standards AreasKey Testing StandardsBuilding Envelope Products

Overview

ASTM Building Envelope standards provide comprehensive testing and performance requirements for materials and systems that protect buildings from water intrusion, air infiltration, and environmental damage.

These standards cover weather-resistant barriers (WRB), drainage systems, flashing materials, and integrated building envelope assemblies that work together to maintain building integrity and energy efficiency.

Key Standards Areas

  • Weather-resistant barriers and building wraps
  • Drainage mat systems and rainscreen assemblies
  • Window and door flashing systems
  • Water-resistive coating systems
  • Air barrier materials and assemblies

Key Testing Standards

Water Penetration Testing

ASTM E331, E547, and E1105 for water resistance evaluation

Air Barrier Performance

ASTM E2178 and E2357 for air leakage and assembly testing

Drainage Efficiency

ASTM E2273 and E2925 for drainage mat and rainscreen systems

Resources

  • ASTM Standards Database
  • Building Enclosure Resources

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