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From [Institution name]
Type of Wall Tested |
RequirementFootnote (3) (S742 Classification) |
Air Leakage Rate After Wind LoadingFootnote (1) at 75 Pa ΔP | Air Leakage Rate After Wind Loading at –20°C and at 75 Pa ΔP2 |
---|---|---|---|
Exterior gypsum/metal stud walls |
A1 (≤ 0.05 L/s∙m2) |
0.030 L/(s·m2) |
0.042 L/(s·m2)Footnote (2) |
Concrete masonry units |
0.041 L/(s·m2) |
0.044 L/(s·m2)Footnote (2) |
Water Vapour Permeance of Outermost Layer of Wall Assembly (ng/(Pa·s·m2)) |
Maximum Permissible Air Leakage Rate (L/s·m2) @ 75 Pa ΔP |
---|---|
15 < WVP ≤ 60 |
0.05 |
60 < WVP ≤ 170 |
0.10 |
170 < WVP ≤ 800 |
0.15 |
> 800 |
0.20 |
Component |
Requirement |
Result |
---|---|---|
"WALLTITE® v.3" urethane insulation |
air permeance before and after aging (ASTM D 726-84): < 10% increase |
Passed |
thermal resistance after heat aging and weathering: 90% retention |
Passed |
|
Transition membrane: Blue Skin SA by Henry® Company |
physical properties before and after aging: 85% retention |
Passed |
Sealant at membrane/foundation junctions: Polybitume 570-05 by Henry® Company |
complies with CAN/CGSB-37.29-M89 |
Passed |
MasterSeal® NP1™ by BASF Canada |
complies with ASTM C 920-14 |
Passed |