Building Envelope Sequence

Updated Mar 25, 2026

Envelope installation order: 1) Structural sheathing, 2) WRB/air barrier, 3) Window/door rough openings flashed, 4) Windows installed, 5) Continuous insulation (if required), 6) Cladding support, 7) Cladding installation, 8) Penetration sealing, 9) Testing.

category

Envelope

successor

Interior finishes

predecessor

Framing + roof dried in

critical holds

["WRB inspection","Window flashing inspection"]

weather dependency

WRB before rain exposure

SOURCES

🔗https://www.cmaanet.org/

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