DESIGN
3.0 DESIGN
Air Barriers
3.1
Material and System Requirements
Air Barrier Location within the Envelope
Application Examples
Vapor Retarders
3.2
Material and System Requirements
Transport by Diffusion versus Air Leakage
Vapor Retarders versus Air Barriers
Position within the Building Envelope
Summary: Problems in Practice
Thermal Insulation
3.3
Materials
Position in the Envelope
Design and Installation Requirements
Rain Penetration Control
3.4
Rain Penetration Mechanisms and Control
Design Examples
Sealants
3.5
Sealant Materials
Design Issues
Installation Issues
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