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Steel Stud Frame Walls |
RequirementFootnote (3) |
Results |
|
---|---|---|---|
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 with brick straps, 25 mm spray polyurethane foam(SPUF) |
A1 (less than 0.05 L/s·m2·Pa) |
0.001 L/(s·m2) |
0.001 L/(s·m2) |
Specimen No. 2 – continuity at penetrations, foundation, brick ties and concrete sill, 25 mm SPUF |
0.0025 L/(s·m2) |
0.028 L/(s·m2) |
|
Specimen No. 3 – continuity at penetrations, foundation, brick ties and concrete sill, 100 mm SPUF |
≤ 0.041 L/(s·m2) |
≤ 0.048 L/(s·m2) |
|
Specimen No. 4 – 200 mm CMU, continuity at penetrations, foundation, brick ties and concrete sill, 75 mm SPUF |
≤ 0.049 L/(s·m2) |
≤ 0.049 L/(s·m2) |
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 ΔP |
---|---|
15 < WVPFootnote (1)≤ 60 |
0.05Footnote (1) |
60 < WVP ≤ 170 |
0.10 |
170 < WVP ≤ 800 |
0.15 |
> 800 |
0.20 |
Property |
Requirement |
Result |
---|---|---|
"Airmetic® Soya/Heatlok® Soya/Polarfoam Soya" (CCMC 13244-L) or "Airmetic® Soya+/Heatlok® Soya+/Polarfoam Soya+" (CCMC 13552-L) |
Air permeance before and after aging (ASTM D 726-84) < 10% increase |
PassFootnote (1) |
Thermal resistance after heat aging and weathering 90% retention |
PassFootnote (2) |
|
CAN/ULC-S741-08 Material air permeance and durability |
Pass |
|
Blueskin® SA − transition membrane |
Physical properties testingFootnote (3) |
PassFootnote (3) |
Sopraseal, by Soprema Stick 1100T− transition membrane |
Physical properties testingFootnote (4) |
PassFootnote (4) |
Sealant/caulk, silicone glazing sealant |
ASTM C 1184 |
|
Foam sealant, expanding polyurethane single-component |
CAN/ULC-S710.1 |
|
Membrane adhesion to DensGlass sheathing |
ASTM D 1623, Type C |
Determined tension/peel strength valuesFootnote (7) |
Property |
Attachment Schedule |
Wind Load Limit |
Deflection of Infill Wall |
---|---|---|---|
"Demilec Air Barrier System" on specified steel stud back-up wall |
Self-drilling screws at 300 mm (12 in.) o.c. vertically and 400 mm (16 in.) horizontally |
± 3820 Pa |
Max. 7.28 and –6.39 mm |