Heads up: There are no suggested sections in this chapter.
Heads up: There are no amended sections in this chapter.

Appendix 2 Commercial Building Requirements

AMENDMENT
This section has been amended at the state or city level.
APPENDIX 2.1: Air Sealing Details

502.4.3 Sealing of the building envelope. - 1. Air seal around fenestration frames

PLAN VIEW OF WINDOW IN WOOD FRAME WALL


502.4.3 Sealing of the building envelope. - 1. Air seal around fenestration frames

SECTION VIEW OF CURTAIN WALL


502.4.3 Sealing of the building envelope. - 1. Air seal around door frames

PLAN VIEW OF HOLLOW METAL DOOR FRAME


502.4.3 Sealing of the building envelope. - 2. Air seal junctions between walls and foundations

SECTION VIEW OF WOOD FRAME WALL, FLOOR, AND FOUNDATION


502.4.3 Sealing of the building envelope. - 2. Air seal junctions between walls and foundations

SECTION VIEW OF METAL STUD WALL, FLOOR, AND FOUNDATION


502.4.3 Sealing of the building envelope. - 2. Air seal between walls and roof

SECTION VIEW (A) OF WALL AND ROOF


502.4.3 Sealing of the building envelope. - 2. Air seal between walls and roof

PLAN VIEW (B) OF WALL AND ROOF


502.4.3 Sealing of the building envelope. - 3. Air seal utility services through walls

SEAL EXTERIOR PENETRATIONS


502.4.3 Sealing of the building envelope. - 3. Air sealing utility services through walls.

PLAN VIEW OF WALL HVAC DUCT PENETRATING EXTERIOR WALL


502.4.3 Sealing of the building envelope. - 3. Air sealing utility services through walls and floors.

SECTION VIEW OF WALL AND SEALING POINTS OF UTILITY PENETRATIONS


502.4.3 Sealing of the building envelope.
  1. 5. Air sealing joints, seams, and penetrations of the air barrier system. Compliant systems include:
    1. OSB or plywood sheathing covered with continuous 15-pound felt or other water and vapor resistant treatment with joints lapped 6 inches minimum
    2. Building wrap with sealed seams
    3. Drywall with sealed joints that completely covers the interior or exterior side of all exterior framed wall cavities with the exception of interior wall intersections (see next page)


ELEVATION VIEW OF A 3 STORY COMMERCIAL BUILDING


502.4.3 Sealing of the building envelope. - 6. Other openings in the building envelope, continuous wall enclosure

SECTION VIEW OF SUSPENDED CEILING TILES AND EXTERIOR WALL


APPENDIX 2.2: Commercial Building Opaque Assemblies

Table 502.2(2) Roofs.


SECTION VIEW OF METAL FRAME ROOF:
FILLED CAVITY FIBERGLASS INSULATION


Table 502.2(2) Roofs.

SECTION OF METAL FRAME ROOF:
LINER SYSTEM WITH MINIMUM R-5 THERMAL BLOCK


Table 502.2(2) Walls.

SECTION VIEW OF METAL FRAME WITH INSULATION BETWEEN FRAME AND EXTERIOR PANEL
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