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Results of Testing the "HP+™ XR and XR-S Series – Air Barrier System"

Type of Wall (see Figures 1 to 4 in Appendix A of this Report)

Air Leakage Requirement (ULC-S742 Classification)

Result

Air Leakage Rate After Wind Loading at 75 Pa ΔP

Air Leakage Rate After Wind Loading at −20°C and at 75 Pa ΔP

"HP+ XR Series"Footnote (1) Footnote (5)

metal girt

A1Footnote (3) ≤ 0.05 L/(s·m2)

0.020 L/(s·m2)

0.030 L/(s·m2)Footnote (2)

wood girt

0.044 L/(s·m2)

0.047 L/(s·m2)Footnote (2)

"HP+ XR-S Series"

metal and wood girt

See noteFootnote (4)

See noteFootnote (4)

Permissible Air Leakage Rate

Water Vapour Permeance (WVP) of Outermost Layer of Wall Assembly (ng/(Pa·s·m2))

Maximum Permissible Air Leakage Rate of ABS (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 "HP+™ XR and XR-S Series – Air Barrier System"

Property

Requirement

Result

Spray-applied polyurethane foam insulation

"WALLTITE ® v.3" by BASF Canada Inc.

air permeance before and after aging (ASTM D 726): < 10% increase

Passed

thermal resistance after heat aging and weathering (ASTM C 518 90% retention

Passed

Transition membrane

"3M Air and Vapour Barrier 3015" by 3M Canada Company

physical properties before and after aging: 85% retention

Passed

"HP+ Flash" a liquid flashing by BASF used in conjunction with "Tyvek®   HomeWrap™ Breather Type Sheathing Membrane"

Sealant

"MasterSeal® NP1" by BASF

complies with ASTM C 920

Passed