RN-2012-00251_0004.tif PART 4 Energy Conservation t
236
tit
Clarification "
' CHANGE TYPE.. • ,��t,
N 11 02.4,91
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CHANGE SUMMARY: Attic access openings and rim joist junctions
@a'IAl the B uildin have been added to the list of specific locations requiring sealing toy ,
T hermal nVel® a prevent air infiltr ation.
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2009 CODE: N1102.4.1 Building Thermal Envelope. The build�j
ing thermal envelope shall be d sealed shall limit Infiltration'. differe1;t
sealing methods between dissimilar m shall be caulked, ga. '
tial expansion and contraction. The following
keted, weatherstripped or otherwise sealed with an air barrier mated
rial, suitable film or solid material.
1, All joints, seams and penetrations.,
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2; Site -built windows, doors, and skylights..
,-
an d door assemblies and their re$
3. sp c�e s between window
lambs and framing. }'
4. ttility penetrations.. { _
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j=(� �' S. Dropped ceilings or chases adjacent to the thermal envelo e �-'.�.
c e 6. Knee walls.
Se L , e� 7 Walls and ceilings separating the garage from conditioned spac j
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GL 8. Behind tubs and showers on exterior walls. ;fir
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e r2 Co d ' 9. common walls between dwelling units.
G G 10. Attic access openin j
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11. Rim joist junction. Nk.
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�g 12, Other sources of infilisation.
chimneys
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A �y r ecessed : ;e
e� �'° ,c y� c�, CO 6 �M lightsr
U t N Attic hatchk t: t
f i i n a �"-t ; ;5 • "" 01
ceiling Rim joist g 171 ''r
Windows corners junctions;
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require? ° a
J S , ®, Doors sealing EM IK
e S t Electrical
outlets
Basement �t •_
t er,. �'"' ." 4 .
window 4 Sill iSM
,. Duct
seal
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Sill plates ,• y'
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Typical sources of air leakage
Pbi fit: