Literature Review on Building Envelope, Heating and ... - Beeshive.org

Table 8 compares R-values and air tightness of the four super-insulated building envelopes:
Table 8. Comparison of R-Values and Air Tightness of Four Super-Insulated Building Envelopes
Component
Eagle Lake House
(North Series # 5,
CMHC, 2001-
2003)
Saskatoon House
(Dumont, 2000)
Wall framing I-beam Double 38 x 89 mm (2
x 4) walls
400 mm (16 in.)
Wall RSI (R) 8.8 (50) 10.6 (60) blown-in
cellulose
Alberta Sustainable
Home
(Rieger and Byrne, 1996)
Double 38 x 89 mm (2 x
4) and 38 x 64 mm (2 x 3)
stud walls,
325 mm (13 in.)
Hanover House
(EBN, 1998)
Double 38 x 89 mm (2
x 4) walls 290 mm
(11½ in.)
8.8 (50) blown-in cellulose 7 (40) blown-in dense
pack cellulose
Klingenberg House
(EDU, 2004-2).
300 mm (12 in.) I-
beam
Roof RSI (R) 10.6 (60) 14.1 (80) 13 (74) blown-in cellulose 10.6 (60) 10.6 (60)
Floor RSI (R) 5.3 (30) 6.2 (35) Not listed, Rigid foam
under slab and extends
1200 mm (4 ft)
horizontally outside the
perimeter
10.0 (56)
Basement walls 1.9 (11)
from inside
Windows
0.9 (5)
3 (17)
1.2 to 1.6
RSI (R)
triple glazed
five glazing (two glass and (6.7 to 9)
Air tightness
(ach at 50 Pa)
10.6 (60)
300 mm (12 in.)
blown-in fibreglass
+ 100 mm (4 in.) rigid
polystyrene
4.2 (24)
from outside
1.26 (7.14)
triple glazed
three heat mirror film)
0.47 Not listed 0.37 Not measured
PERD-079: Task 2 - <strong>Literature</strong> <strong>Review</strong> 73