RN-2012-00271_0004.tif i
Conservation
23f MART 4 Energy z >
CHANGE TYPE: Clarification s
,
NI ® ® CHANGE SUMM Attic access openings and rim joist junction y -
eali o the Building h ave been added to the list of specific locations requiring sealing oy
prevent air infiltration."
Thermal Envelo �
2009 CODE: N1102.4.1 Building Thermal Envelope. The buil.`
ing thermal envelope shall be durably seal ed to limit infiltration. Tlie'
sealing methods between dissimilar materials shhl�l be caulked, gas_.
g
tial expansion and contraction. The following
keted, weatherstripped or otherwise sealed with an air barrier mate, j I,
rial, suitable film or solid material. nz -
A '
d en.etrations.
1. All joints, seams an p ;
2; Site built windows, doors, and skylights,. �U
$` • 3. Open -gs between window an d door assemblies and their re�,�
ambs and framing- 7 E j
spective j
en.etrations. =_¢
4. Utility p P
5. Dropped ceilings or chases adjacent to the thermal envelo e:�
t r 6. Knee walls. the ara e from conditioned space
Y
_w S Se L e�- 7. Walls and ceilings separating g: r
U1 t.� r g. Behind tubs and showers on exterior walls. ,-
e cD d.e ' g, Common walls between dwelling nits.
g
s. ,
10, A ttic access ope k`
coo n•
1�., Rim foist iuu-
X012. Other sources of infiltration. ,
•^ l�.l
ChimnOYs
Recessed 5
C AA Q,V► r e f` ; S
r► c�, <<; lights iLn
Attic hatch ; _�• .K�=«, .
U 1 • ,���� �,> ��fi ,,:�;b, Rim,
Ceiling Rim joist gg s
W-M + r
corners junctions it`t•
Windows 5 t require :mil
sealing:;
6L Q.,e- S S % Electrical ® .,ti.., Doors - z r
outlets 's . ';ti '' "
Basemen
;> �' jai •
window Sill
;. ;Duct seal a' 1 . ✓
T R N
seal
0 o ,. .
Siii plate/
Typical sources of air leakage
;` •tom