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Results of Testing the Air Leakage Rate of the Product After Wind LoadingFootnote (1)

Steel Stud Frame Walls

Results

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 ΔPFootnote (2)

Specimen No. 1 – opaque wall

0.0059 L/(s·m2)

0.0059 L/(s·m2)

A1 (less than 0.05 L/s·m2·Pa)

Specimen No. 2 – continuity at penetrations, foundation, brick straps

0.0098 L/(s·m2)

0.0105 L/(s·m2)

Specimen No. 3 – wall/foundation continuity

≤ 0.01 L/(s·m2)

≤ 0.015 L/(s·m2)

Permissible Air Leakage Rates of the Product

Drying Potential Based on WVP of Outermost Layer of Wall Assembly (ng/Pa·s·m2)

Maximum Permissible Air Leakage Rates (L/s·m2) @ 75 Pa

15 < WVPFootnote (1)≤ 60

0.05Footnote (1)

60 < WVP ≤ 170

0.10

170 < WVP ≤ 800

0.15

> 800

0.20

Results of Testing the Durability of Product Components

Property

Requirement

Result

Icynene ProSeal™ (MD-C-200v3) spray urethane

Air permeance before and after aging (ASTM D726-84) < 10% increase

PassFootnote (1)

Thermal resistance after heat aging and weathering 90% retention

PassFootnote (2)

Blueskin SA − transition membrane

Physical properties testingFootnote (3)

PassFootnote (3)

Sealant HE 925 – BES − caulking/sealant accessory

Meets ASTM C920 Type S, Grade NS, Class 35Footnote (4)

Pass

Membrane adhesion to DensGlass sheathing

ASTM D3330-04

Determined tension/peel strength values for field quality control

Result of Testing the Wind Load Resistance of the Product

Property

Attachment Schedule

Wind Load Limit

Deflection of Infill Wall

Icynene ProSeal Air Barrier System on specified steel stud back-up wall

Self-drilling screws, grabber No. 210 scavenger head fastener or equivalent at 200 mm (8 in.) o.c.

1 440 Pa

Max. 20.1 mm