Roxul ComfortBoard IS - Manual (Page 3)

INSULATING SHEATHING FOR RESIDENTIAL CONSTRUCTION APPLICATION GUIDE 1
Contents
INTRODUCTION: WHAT YOU WILL FIND IN THIS GUIDE 2
BUILDING SCIENCE FOR COMFORTBOARD IS WALLS 4
A functional overview of the building enclosure 4
The “Perfect” Wall 5
Rain Penetration Control 6
Drained Screen Approach 6
Selection of Drainage Plane Material 8
Recommendations for rain penetration control 8
Air Control 11
Basic requirements of Air Barrier Systems 12
Thermal Control 13
Thermal bridging 13
Condensation Control 15
Cladding attachment through Continuous Insulation 17
Recommendations for thermal control by climate zone 19
Vapor Control 21
Inward Vapor Drive 21
Recommendations for vapor control by climate zone 23
MATERIAL PROPERTIES 25
INSTALLATION DETAILS 27
01. “Thick ci” Cladding Attachment System 28
02. Foundation-to-Wall Interface 31
03. Floor Slab-to-Wall Interface 33
04. Inside Corner – Horizontal Section 35
05. Outside Corner – Horizontal Section 37
06. Punched Window Interface – Installation Sequence 39
07. Wall-to-Balcony Interface 43
08. Wall-to-Roof Interface 45
REFERENCES AND RESOURCES 47