RN-2012-00036_0003.tif 236 PART 4 0 Energy Conservation ` ,>
CHANGE TYPE: Clarification 3
NI 10
of the Building CHANGE SUMMARY: Attic access openings and rim joist junctions 4
Sealing
g have been added to the list of specific locations requiring sealing to
Thermal Envelope prevent air infiltration.
0. 1
2009 CODE: N1102.4.1 Building Thermal Envelope. The build"
ing thermal envelope shall be durably sealed to limit infiltration Thee ,
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 "a material.
1. All joints, sF
2: Site -built v '
Y.�
� .
3. Openings' t ,) s re �- ` �
<<�
spective j '
4, Utility pr S 1
oc 5. Droppec d elope
6 $
.�, �Y A/i
6. Knee w
a
S e- o- l L e 7, Walls ; ed spaces~
�VI 8. Behir
e I� Co
�$ p 1 9. Com
�GQ� C! 10.Atti Coo,
�yfr
11, Rir__
4012 Other sources ub
F
i
2 Chimneys —�
1U1 —See N &+� e Avid— Co m Recessed
Attic hatch lights r
' Rirn '
I
n y � 4 101St
} fi
r -7�
Ceiling Rim joist
Windows corners junctionsL
a a require.
2 e S Doors sealing
Electrical
outlets
Basement 3��o*t�
r n E,
window m
Duct Sill���°
seal y+
Sill plates �lw
o _ F
$\ Typical sources of air leakage