---
title: Building Thermal Insulation
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## Duct insulation within the building envelope shall be coordinated with [[sync/hvac-ductwork]].
−## Where a separate fluid-applied air barrier membrane is used in conjunction with continuous insulation sheathing, the work shall be coordinated with [[sync/fluid-applied-air-barrier]].
+## Where a separate fluid-applied air barrier membrane is used in conjunction with continuous insulation sheathing, the work shall be coordinated with [[sync/air-barriers]].
# Referenced Standards {toc}
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options:
- "SPF serves as combined insulation, vapor retarder, and air barrier"
− - "Separate house wrap or fluid-applied air barrier — see [[sync/fluid-applied-air-barrier]]"
+ - "Separate house wrap or fluid-applied air barrier"
- "Interior vapor barrier (polyethylene sheet) sealed to framing as air barrier and vapor retarder"
- "Continuous rigid board insulation with taped joints as air barrier layer"
−default: "Separate house wrap or fluid-applied air barrier — see [[sync/fluid-applied-air-barrier]]"
+default: "Separate house wrap or fluid-applied air barrier"
```
…518 unchanged lines
### This energy code compliance documentation is required for certificate of occupancy in many jurisdictions and shall be treated as a contract deliverable.