Wall Selection
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Wall Selector
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STEP 1 (optional): R Values
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For combinations of structural products with the respective systems thermal resistance value, both with nominal and effective results.
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STEP 2 (optional): Costs
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The material cost evaluation of each system (based on average retail prices in Montreal, Canada in January 2001).
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STEP 3: Wall Selector
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Download Typical Wall Section AutoCAD drawings of the components chosen from the wall assembly tables above (you must have AutoCAD, AutoCAD LT, or other software capable of reading the drawings installed.)
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R Values
STEP 1: Select the combination of structural products with the respective systems thermal resistance value:
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WALL
SYSTEM
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SP
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HP
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E5P
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Exterior sheating
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7/16"
Sheating
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HP
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EXCEL 1/2"
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Interior
assembly
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Poly/Gypsum
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Exterior
air film
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0.17
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0.17
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0.17
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Exterior
cladding
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0.43
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0.43
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0.43
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Strapping/
air (brick)
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0.96
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0.96
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0.96
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Air barrier
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0.06
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0.06
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0.06
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Exterior
sheating
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1.3
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1.5
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1.5
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2X6 studs
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7.15
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7.15
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7.15
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Fiberglass
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20
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20
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20
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Interior
sheating
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0
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0
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0
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Vapour
barrier
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0
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0
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0
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Air
(strapping)
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0
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0
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0
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Gypsum
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0.46
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0.46
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0.46
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Interior
air film
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0.68
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0.68
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0.68
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R Nominal
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24.06
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24.26
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24.26
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R Frame
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11.21
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11.41
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11.41
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R Effective 16"
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19.76
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19.98
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19.98
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R Effective 24"
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21.37
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21.59
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21.59
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R "over stud"
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4.06
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4.26
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4.26
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WALL
SYSTEM
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SE
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HE
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E5E
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Exterior
sheating
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7/16"
Sheating
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H.P.
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EXCEL 1/2"
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Polystyrene
1 "
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OSB 7/16"
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Interior
assembly
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ENERMAX
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Poly/Gypsum
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Exterior
air film
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0.17
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0.17
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0.17
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0.17
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0.17
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Exterior
cladding
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0.43
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0.43
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0.43
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0.43
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0.43
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Strapping/
air (brick)
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0.96
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0.96
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0.96
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0.96
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0.96
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Air barrier
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0.06
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0.06
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0.06
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0.06
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0.06
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Exterior
sheating
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1.3
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1.5
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1.5
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5
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0.57
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2X6 studs
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7.15
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7.15
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7.15
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7.15
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7.15
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Fiberglass
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20
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20
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20
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20
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20
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Interior
sheating
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4.7
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4.7
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4.7
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0
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0
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Vapour
barrier
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0
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0
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0
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0
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0
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Air
(strapping)
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0
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0
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0
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0
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0
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Gypsum
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0.46
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0.46
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0.46
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0.46
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0.46
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Interior
air film
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0.68
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0.68
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0.68
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0.68
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0.68
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R Nominal
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28.76
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28.96
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28.96
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27.76
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23.33
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R Frame
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15.91
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16.11
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16.11
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14.91
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10.48
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R Effective 16"
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24.93
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25.15
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25.15
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23.85
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18.92
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R Effective 24"
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26.41
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26.62
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26.62
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25.36
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20.56
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R "over stud"
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8.76
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8.96
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8.76
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7.76
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3.33
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Costs
STEP 2: View the material cost evaluation of each system (based on average retail prices in Montreal, Canada in January 2001):
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WALL
SYSTEM
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SP
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HP
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E5P
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Exterior sheating
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7/16"
Sheating
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HP
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EXCEL 1/2"
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Interior
assembly
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Poly/Gypsum
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Exterior
air film
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n.a.
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n.a.
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n.a.
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Exterior
cladding
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n.a.
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n.a.
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n.a.
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Strapping/
air (brick)
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n.a.
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n.a.
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n.a.
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Air barrier
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76
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76
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0
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Nails
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10
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10
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10
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Exterior
sheating
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176
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216
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329
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Bracing
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0
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0
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0
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2X6 24cc
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376
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376
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376
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Fiberglass
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352
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352
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352
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Interior
sheating
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0
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0
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0
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Vapour
barrier
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36
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36
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36
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Air
(strapping)
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0
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0
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0
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Gypsum
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240
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240
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240
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Interior
air film
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n.a.
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n.a.
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n.a.
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Cost 900
sqft(24cc)
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1266
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1306
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1343
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Cost at
16 "cc
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1378
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1418
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1455
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R Cavity
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24.06
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24.26
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24.26
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R Effective
24 "cc
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21.37
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21.59
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21.29
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WALL
SYSTEM
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SE
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HE
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E5E
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Exterior
sheating
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7/16"
Sheating
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H.P.
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EXCEL 1/2"
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Polystyrene
1 "
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OSB 7/16"
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Interior
assembly
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ENERMAX
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Poly/Gypsum
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Exterior
air film
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n.a.
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n.a.
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n.a.
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n.a.
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n.a.
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Exterior
cladding
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n.a.
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n.a.
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n.a.
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n.a.
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n.a.
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Strapping/
air (brick)
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n.a.
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n.a.
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n.a.
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n.a.
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n.a.
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Air barrier
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76
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76
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0
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76
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76
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Nails
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10
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10
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10
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40
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10
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Exterior
sheating
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176
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216
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329
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338
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425
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Bracing
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0
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0
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0
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45
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0
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2X6 24cc
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376
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376
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376
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376
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376
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Fiberglass
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352
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352
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352
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352
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352
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Interior
sheating
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249
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249
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249
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0
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0
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Vapour
barrier
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0
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0
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0
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36
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36
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Air
(strapping)
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44
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44
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44
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0
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0
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Gypsum
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240
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240
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240
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240
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240
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Interior
air film
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n.a.
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n.a.
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n.a.
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n.a.
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n.a.
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Cost 900
sqft(24cc)
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1523
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1563
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1600
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1503
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1515
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Cost at
16 "cc
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1635
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1675
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1712
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1615
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1627
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R Cavity
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28.76
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28.96
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28.96
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27.76
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23.33
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R Effective
24 "cc
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26.41
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26.62
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26.62
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25.36
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20.546
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Wall Selector
STEP 3: Download Typical Wall Section AutoCad drawings of the components chosen from the wall assembly tables above (You must have AutoCad, AutoCad LT, or other software capable of reading the drawings installed):
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Interior assembly: Poly/Gypsum
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Exterior sheathing
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7/16" Sheathing
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H.P.
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EXCEL 1/2"
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INSULATION
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Nominal R
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24.06
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24.26
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24.26
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Effective R 24" cc
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21.37
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21.59
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21.59
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Effective R 16" cc
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19.76
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19.98
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19.98
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CODE COMPLIANCE
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NBC 95
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yes
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yes
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yes
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R2000
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yes
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yes
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yes
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Ontario Code
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yes *
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yes *
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yes *
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Novoclimat
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no
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no
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no
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Noise Reduction
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good
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good
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good
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Anti-fungi
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yes
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yes
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yes
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Environmental
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friendly
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friendly
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friendly
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Human health
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natural
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natural
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natural
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Structural
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yes
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better
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better
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Vapor barrier
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sheet
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sheet
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sheet
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Air barrier
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sheet
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sheet
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rigid
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SELECT SPACING TO
DOWNLOAD DRAWING
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(16")
( 24")
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(16")
( 24")
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(16")
( 24")
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* see Ontario Building Code for zones and space heating
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Interior assembly: ENERMAX
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Exterior sheathing
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7/16" Sheathing
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H.P.
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EXCEL 1/2"
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INSULATION
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Nominal R
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28.76
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28.96
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28.96
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Effective R 24" cc
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26.41
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26.62
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26.62
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Effective R 16" cc
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24.93
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25.15
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25.15
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CODE COMPLIANCE
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NBC 95
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yes
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yes
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yes
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R2000
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yes
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yes
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yes
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Ontario Code
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yes *
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yes *
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yes *
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Novoclimat
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yes
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yes
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yes
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Noise Reduction
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best
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best
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best
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Anti-fungi
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yes
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yes
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yes
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Environmental
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friendly
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friendly
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friendly
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Human health
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natural
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natural
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natural
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Structural
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yes
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better
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best
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Vapor barrier
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rigid
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rigid
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rigid
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Air barrier
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sheet
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sheet
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rigid
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SELECT SPACING TO
DOWNLOAD DRAWING
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(16")
( 24")
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(16")
( 24")
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(16")
( 24")
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* see Ontario Building Code for zones and space heating
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