rn-2011-00067_0001.jpg 236 PART 4 ■ Energy Conservation ?'
1 E.
CHANGE TYPE: Clarification
N 1102 1
CHANGE SUMMARY: Attic access openings and rim joist junctions
Sealing of the Building
have been added to the list of specific locations requiring sealing to
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 differen-
tial expansion and contraction. The following shall be caulked, gas
keted, weatherstripped or otherwise sealed with an air barrier mate-
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. r
4. Utility penetrations. 1
�T He- 5. Dropped ceilings or chases adjacent to the thermal envelope. :�
6. Knee walls. -`
V, ` i w (S .Se & L e-60- 7. Walls and ceilings separating the garage from conditioned spaces. -` = '
8. Behind tubs and showers on exterior walls.
S e 9. Common walls between dwelling units.
r e Q- co
a G 0 q-1 k G) 10. Attic access openings.
11. Rim joist junction.
1012. Other sources of infiltration.
0 `� Chimneys
U L C 0 M e is ►J a� C 0 1 " (� LLVI Recessed l
1 `< Attic hatch lights
Rim e
joist
Iv j C� Ceiling Rim joist
Windows corners junctions
S I f e d CC- S y= require
Electrical ® Doors sealing
outlets
k
Basement:
window Nng i.
Duct Sill '
6 L Q) K N E 6 seal
Sill plates 9
Typical sources of air leakage
w
pi e-- �3- - //