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From [Institution name]
Property |
Requirement |
Result |
---|---|---|
Thickness (mm) |
≥ 0.48 |
0.64 |
Coating quality |
Smooth and uniform, free of pinholes, cracks, blisters and flaking |
Pass |
Average coating thickness (µm) |
> 20 |
30.9 |
Impact resistance |
No visible cracking |
Pass |
Film adhesion |
No removal of finish coat |
Pass |
Hardness – drawing pencil method |
No rupture |
Pass |
Flexibility – using 3.2 mm mandrel |
No cracking or flaking |
Pass |
Humidity resistance |
No formation of blisters |
Pass |
Salt spray resistance |
Corrosion infiltration = 1.5 mm from scored lines |
Pass |
Durability – carbon arc accelerated weathering |
Slight colour change; not greater than No. 8 degree of chalking; no checking or cracking |
Pass |
Property |
Specified Load |
Requirement |
Result |
|
---|---|---|---|---|
Concentrated load applied at the midpoint of specimen assembly, centre of shingle |
load applied in a vertical direction |
900 N |
No plastic or permanent deformation of shingles or opening observed at the butt/lap joint |
Pass |
Concentrated load applied at the upper and lower edge of shingle joint |
load applied in a vertical direction |
900 N |
No plastic or permanent deformation of shingles or opening observed at the butt/lap joint |
Pass |
Concentrated load applied at the centre and edges of course joints on a shingle row |
load applied in a vertical direction |
900 N |
No plastic or permanent deformation of shingles or opening observed at the butt/lap joint |
Pass |
Concentrated load applied at the edge of shingle joint near the starter strip |
load applied in a vertical direction |
900 N |
No plastic or permanent deformation of shingles or opening observed at the butt/lap joint |
Pass |
Pressure (kPa) |
Duration (s) |
Requirement |
ResultFootnote (1) |
---|---|---|---|
-0.5 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-1.0 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-1.4 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-1.9 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-2.9 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-3.8 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-4.3 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-4.8 |
10 |
No evidence of deformation, permanent damage or failure |
Pass |
-7.8 |
10 |
No evidence of deformation, permanent damage or failure |
Permanent deformation observedFootnote (2) |
-8.7 |
10 |
No evidence of deformation, permanent damage or failure |
Permanent deformation observedFootnote (3) |
Wind Speed (km/h) |
Simulated Rainfall (L/m2·min) |
Duration (min) |
Requirement |
ResultFootnote (1) |
---|---|---|---|---|
80 |
3.4 |
5 |
No leakage or damage |
Pass |
100 |
3.4 |
5 |
No leakage or damage |
Pass |
120 |
3.4 |
5 |
No leakage or damage |
Pass |
140 |
3.4 |
5 |
No leakage or damage |
Pass |
160 |
3.4 |
5 |
No leakage or damage |
Pass |
170 |
3.4 |
5 |
No leakage or damage |
Pass |