Performance Characteristics of ThermalStar® Structural Insulating Sheathing

ThermalStar® Structural Wall Insulation R3 and ThermalStar® Structural Wall Insulation R5 are approved for:

1. Use as a Class II vapor retarder.
2. Use as a water resistive barrier (WRB).
3. Use as insulated sheathing.
4. Use to resist transverse loads on wall assemblies used in light-frame wood construction.
5. Use to resist wind loading.
6. Use as an alternative to the WSP and CS-WSP wall bracing provisions of the IRC.
7. Use as an air barrier material.