RN-2011-00164_0005.tif 236 PART 4 ■ Energy Conservation
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CHANGE TYPE: Clarifioation:�
Mill
1102A1
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CHANGE SUMMARY: Attic access openings and rim joist junctions
Sealing f the Buildin ,
g g have been added to the list of specific locations requiring sealing tq
Thermal Envelope prevent air infiltration. '
2009 CODE: N1102.4.1 Building Thermal Envelope. The build�'
ing thermal envelope shall be durably sealed to limit infiltration. The:
sealing methods between dissimilar materials shall allow for differeri
FILE CO
M! tial expansion and contraction. The following shall be caulked, gasp.
keted, weatherstripped or otherwise sealed with an air barrier matey
rial, suitable film or solid material.
1. All joints, seams and penetrations.
2: Site -built windows, doors, and skylights.
3. Openings between window and door assemblies and their re
spective jambs and framing.
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4. titility penetrations.
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5. Dropped ceilings or chases adjacent to the thermal envelope `;
6. Knee walls. rr
vl Set L 7. Walls and ceilings separating the garage from conditioned spaces'_
8. Behind tubs and showers on exterior walls.0
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e 9. Common walls between dwelling units. # ;
G C3 9 - C 10. Attic access openings.
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11. Rim joist junction.
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L4 12. Other sources of infiltration, f
Chimneys
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� � Recessed x� "
Attic hatch �" lights
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Ceiling Rim joist z
Windows corners junctions
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Electrical ® Doors sealing
outlets"
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L �� c Basement
windows�sri s�
Duct Sill a �°
,) 6 0 0 seal
Sill plates ,
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Typical sources of air leakage t
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