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Ener Conservation
236 PART 4 9Y
CHAN TYKE: Clri�ication }��-
® sand rim 101st 'un ction5;.
CHANGE SUMMARY: Attic access opening j sealing toy
Sealing of th B uilding have been added to the lisfi of specific locations requiring
iniilfiration.
°fi hernia Envelope prevent air ,
2009 CODE: N1102.4.1 Building
Thermal Envelope. The ble
T
jug thermal envelope shaldis imil.arlmater als shallow for differerr:;
sealing methods between shall be caulked, gas
ti expansion and contraction. The foil ovuing���
r�
keted, weatherstripped or otherwise sealed with. an air barrier m�...�� --,
rial suitable film or solid material.
anal. penetration. a
1. All joints, seams ,C .
h • ..
hbs,.
• 2: Site built windows, doors, and sky g
3 Opening
s between wind.ova and door assemblies and their
spective jambs and framing.
4,' Utility penetrations.. 3
3f�
5. Dropped ceilings or chases adjacent to the thermal envelopes
6. Kneewalls-
s Se
! e� 7. Walls and ceilings separating the garage from conditioned spar,
VI w� s. Behind tubs anal showers on exterior walls.
2
Code 9. Common walls between dwelling
units.
G G C 10. Atti access open in>ts_. 'k
C _,_
11. �1?n ]01 I� Il •N5 .
Other sources of infiltration. r
chirp leys �s•b,.
Recessed ,5
�o ru lights E
)Z I --Scit N Attic hatch " . Rim=
w f tC 4��
®\ • t+ �� %. „".S,Mn' tea. - (! 6R 1
Q_
ceiling Rim joist .;
i; corners junctions
Windows j. require
=�
e ®: Doors sealing
6L �e S S Electrical
outlets s . ,,.. :.; i, ..,, —
Basement i L.
window µ `_ * Sill
;• k Duct .seal a :y
00 S
Sill plates `
Typical sources of air leakage