How this node works
At the corner the bracing OSB continues unbroken so as not to interrupt the diaphragm, and the inner vapour control layer is returned and sealed with tape: airtightness must never break at the corners.
Key points
- Corner studs
- Cavity insulation
- Continuous OSB at the corner
- Vapour control + tape
- Continuous airtightness
Conceptual, language-neutral drawing for study and orientation — not an execution drawing. Dimensions and verifications belong to the designer.