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Results of Testing the Air Leakage Rate of the Product

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)

Permissible Air Leakage Rate

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

Results of Durability Testing of Components in the "WALLTITE® v.3 - Air Barrier System"

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