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Technical Evidence
The Report Holder has submitted technical documentation for CCMC's evaluation. Testing was conducted at laboratories recognized by CCMC. The corresponding technical evidence for this product is summarized below.
Material Requirements
Table 4.1.1 Test Results for Basic Physical and Mechanical Properties
Property
Unit
Requirement
Result Footnote (1)
Dimensional change
coefficient of linear expansion (thermal)
°C−1
< 2 x 10−5
1.69 x 10−6
coefficient of linear expansion (swelling) - oven-dry to vacuum pressure soak
%
≤ 0.5, by 80% of specimens
0.13
Strength and stiffness
flexural rigidity (EI)
kN·mm2
≥ 300 000
Pass
moment capacity (Mr)
N·mm
≥ 190 000
Pass
Creep, recovery and load duration
%
≤ 25 for creep
18
≥ 75 for recovery
84
No failure
Pass
Strength and stiffness after aging
Weathering (impact resistance)
%
≥ 75 of non- weathered value
78%
Accelerated aging (EI)
%
≥ 50 of non-aged value
Pass
Accelerated aging (Mr)
Pass
Fastener holding capacity
nail withdrawal strength
N
≥ 600
2 626
lateral nail strength
N
≥ 720
1 416
Flame-spread rating
—
≤ 200
25
Note to Table 4.1.1:
Footnote 1
Test results were obtained to classify the product and are not intended to be used for engineering design properties.
Return to footnote 1 referrer
Performance Requirements
Table 4.2.1.1 Test Results for Performance under Concentrated Static Loads
Property
Requirement
Result Footnote (1)
Minimum Ultimate Load (kN)
Maximum Deflection under 0.89-kN Load (mm)
Ultimate Load (kN)
Deflection under 0.89-kN Load (mm) Footnote (2)
Concentrated load
decking at 50°C
2.45
2.0
2.59
10.29
decking at 20°C
6.90
3.71
decking at −35°C
4.30
4.05
Table 4.2.1.2 Test Results for Performance under Impact Loads
Minimum Ultimate Load Following Impact Load (kN)
Maximum Deflection under 0.89-kN Load Following Impact Load (mm)
Ultimate Load Following Impact Load (kN)
Deflection under 0.89-kN Load Following Impact Load (mm)
Impact load of 102 N·m
decking at 50°C
1.78
2.0
1.78
7.63 Footnote (3)
Table 4.2.2 Test Results for Durability
Property
Requirement
Result
S-P-F Lumber
"AZEK Deck" Board
Bending stiffness
Mean percentage loss in bending modulus of elasticity (MOE) after UV exposure Footnote (1) and accelerated aging Footnote (2) must be less than or equal to spruce lumber.
23.0%
Pass
Bending strength
Mean percentage loss in bending stress modulus of rupture (MOR) after UV exposure Footnote (1) and accelerated aging Footnote (2) must be less than or equal to spruce lumber.
28.3%
Pass
Notes to Table 4.2.2:
Footnote 1
4 500 hours of Xenon-Arc exposure following Cycle 1 of ASTM D 2565-99, "Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications."
Return to footnote 1 referrer
Footnote 2
Five cycles of accelerated aging (wetting, freezing, thawing and drying)
Return to footnote 2 referrer
Table 4.2.3 Test Results for Termite Resistance
Property
Requirement
Result
Termite resistance
Rating must be equal to or better than preservative-treated wood conforming to CAN/CSA-O80.1.
Pass
Table 4.2.4 Test Results for Performance Under Concentrated Static Load – Stair Tread
Property
Requirement
Result Footnote (1)
Minimum Ultimate Load (kN)
Maximum Deflection under 1 kN (mm)
Deflection under 1 kN (mm)
Concentrated load
stair tread
1 Footnote (2)
0.75
1.33 Footnote (4)
stair tread nosing
1 Footnote (3)
1.64
Notes to Table 4.2.4:
Footnote 1
Test results are for stair stringers spaced at 230 mm o.c. at a test condition of 50°C and 80% RH. Three specimens were tested for each test.
Return to footnote 1 referrer
Footnote 2
Applied through a 75-mm-diameter disk positioned at the centre line of the plank and midway between stringers.
Return to footnote 2 referrer
Footnote 3
Applied through a 38-mm-diameter disk positioned along the outside edge of the nosing at the stringer location.
Return to footnote 3 referrer
Footnote 4
Deemed acceptable as the deflection is still very low at 50oC.
Return to footnote 4 referrer
Additional Performance Data
Data in this section does not form part of CCMC's opinion in Section 1.
Table 4.3.1 Test Results for Additional Performance Data Footnote (1)
Property
Unit
Reference Value
Result
Dimensional tolerances
width
mm
—
140
thickness
mm
—
25
Density
kg/m3
—
661
Hardness (11.28-mm-diameter ball)
kN
≥ 1.8
659
Slip resistance (longitudinal)
dry condition
—
≥ 0.5
0.28 Footnote (2)
wet condition
0.59
Notes to Table 4.3.1:
Footnote 1
Results provided in Table 4.3.1 do not invalidate CCMC's opinion concerning the product's compliance with the NBC 2010.
Return to footnote 1 referrer
Footnote 2
Having fallen to 0.28 under the dry condition, no surface finishes met the 0.5 criterion. This criterion may not meet all occupant expectations. The manufacturer may be contacted for further information.
Return to footnote 2 referrer