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Results of Testing the Air Leakage Rate of the Product

Type of Wall Tested

RequirementFootnote (3)

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∙Pa)

0.023 L/(s·m2)Footnote (2)

0.014 L/(s·m2)Footnote (2)

Concrete masonry units

0.016 L/(s·m2)Footnote (2)

0.011 L/(s·m2)Footnote (2)

Rate of Permissible Air Leakage

Water Vapour Permeance (WVP) 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 Testing of Durability of Components in the Product

Component

Requirement

Result

"Wrapsulate® Foam Jacket" polyurethane insulation

Air permeance before and after aging (NRC method): < 10% increase

Passed

Thermal resistance after heat aging and weathering: 90% retention

Passed

Transition membrane: "Blueskin SA" by Henry® Company

Physical properties testingFootnote (1)

Passed

Sealant at membrane/foundation junctions: "925 BES" sealant by Henry® Company

ASTM C 920, Type S, Grade NS, Class 35Footnote (2)

Passed

Membrane adhesion to DensGlass® sheathing

ASTM D 3330-04

Determined tension/peel strength values for field quality control