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Material Test Results
Property	Unit	Requirement	Result
Impact resistance	N·m	≥ 3.95	11
Weathering	-	Siding shall be free of any structural changes or visible surface changes such as peeling, chipping, cracking, flaking or pitting	Pass

Performance Test Results
Property	Requirement	Result
Deformation (sustained pressure)	No damage observed after a sustained pressure for 1 hour at a maximum pressure of ± 450 Pa (TandoStone™).	Q₅₀^{Footnote (1)} ^{Footnote (2)} ^{Footnote (3)} < 0.45 kPa
	No damage observed after a sustained pressure for 1 hour at a maximum pressure of ± 1000 Pa (TandoShake™).	Q₅₀ < 1.00 kPa
Repeated positive and negative pressure test (cyclic pressure)	No damage observed after 2 000 cycles reversing from positive to negative pressures at a maximum of ± 660 Pa (TandoStone™).	Q₅₀ < 0.45 kPa
	No damage observed after 2 000 cycles reversing from positive to negative pressures at a maximum of ± 1460 Pa (TandoShake™).	Q₅₀ < 1.00 kPa
Safety test (gust loads)	No damage observed after a maximum applied pressure of 980 Pa for 3 seconds (TandoStone™).	Q₅₀ < 0.45 kPa
	No damage observed after a maximum applied pressure of 2180 Pa for 3 seconds (TandoShake™).	Q₅₀ < 1.00 kPa
Surface burning characteristics^{Footnote (4)} flame spread	Declare	35
Surface burning characteristics^{Footnote (4)} smoke developed	Declare	600

Notes:

Footnote 1

Q50 represents the 1-in-50 probability of the designated wind speed being exceeded in any given year. Geographical areas and their corresponding reference wind velocity pressures are indexed in the NBC 2015.

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Footnote 2

The table is generally intended for non-post-disaster low-rise buildings that have a height from grade to the uppermost roof of 12 m or less, and are located within a build-up area, no less than 120 m away from the boundary between this area and open terrain, including bodies of water upwind of the building.

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Footnote 3

The table did not take into account the site specific topographic factor Ct, where Ct = 1.0, except for buildings that are constructed on hills or escarpments with a slope defined in Article 4.1.7.4., Topographic Factor, of the NBC 2015. For buildings constructed on hills and escarpments, anticipated wind pressures may be greater.

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Footnote 4

Testing was conducted in accordance with CAN/ULC-S102.2, "Standard Method of Test for Surface Burning Characteristics of Flooring, Floor Covering, and Miscellaneous Materials and Assemblies." A series of three runs were conducted for each test.

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