RN-2011-00274_0005.tif F
236 PART 4 » Energy Conservation
NI CHANGE TYPE: Clarification & j
102
I
CHANGE SUMMARY: Attic access openings and rim joist junctions
Sealing of a Building have been added to the list of specific locations requiring sealing to',
Therm Envelop prevent air infiltration.
qf
2009 CODE: N1102.4.1 Building Thermal Envelope. The build =-
in g thermal envelope shall be durably sealed to limit infiltration.. The
sealing methods between dissimilar materials shall allow for different .
tial expansion and contraction. The following shall be caulked, gases*
keted, weatherstripped or otherwise sealed with an air barrier mate
rial, suitable film or solid material,
L� I
3
{
1. All joints, seams and penetrations.
2: Site -built windows, doors, and skylights.;"
3. Openings between window and door assemblies and their re- z
spective jambs and framing.
4. Vtility penetrations.
5, Dropped ceilings or chases adjacent to the thermal envelope:`
6. Knee walls.
U{ i w S .$'t= d 7, Walls and ceilings separating the garage from conditioned spaces
8. Behind tubs and showers on exterior walls. -
Code
9, Common walls between d welling units.
G d9 71 R C 10. Attic access openings. F
11, Rinijoist junction.
-o 12. other sources of infiltration,
Chimneys
Z � ' p & d R ►j C Recessed
II
Attic hatch lights
ceiling Rim joist
Windows corners i
junotians
cc S require
Electrical Dabrs sealing '
outlets
- Basement
window
Sill
Duct " ' "-
d
L A j ' } IE 6 sea(
- 1
Sill plates
Typical sources of air leakage^
"7- z� =i/