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Galvanized and Aluminum-Zinc Alloy Coated Steel Base Material Requirements and Performance Data
Property	Requirement	Result
Thickness (mm)	≥ 0.33	0.42
Thickness of aluminum-zinc coating (g/m²)	≥ 150	171
Flexibility	No flaking or micro-cracking	Pass
Humidity resistance	No formation of blisters	Pass
Salt spray resistance	≥ 7 rating	Pass
Durability	Slight colour change; not greater than No. 8 degree of chalking; no flaking or cracking	Pass

Results of Testing the Wind Uplift of "GRANITE-RIDGE Shingle"^{Footnote (1)}
Pressure (kPa)	Requirement	Result
1.4	No evidence of deformation, permanent damage or failure	Pass
2.9	No evidence of deformation, permanent damage or failure	Pass
4.3	No evidence of deformation, permanent damage or failure	Pass
9.1^{Footnote (2)}	No evidence of deformation, permanent damage or failure	Plywood fastener pull-through

Results of Testing the Dynamic Pressure Water Infiltration Resistance of "GRANITE-RIDGE Shingle"^{Footnote (1)}
Wind Speed^{Footnote (2)} (km/h)	Simulated Rainfall (L/m²·min)	Duration (min)	Requirement	Result
50	3.4	15	No leakage or damage	Pass
110	3.4	15	No leakage or damage	Pass
140	3.4	15	No leakage or damage	Pass
170	3.4	5	No leakage or damage	Pass

Results of Testing the Granule Adhesion of the Products
Sample	Average Initial Weight (g)	Average Final Weight (g)	Average Weight Loss (g)
Colour quartz	65.074	64.985	0.096
Roofing granule	63.88	63.71	0.176