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Results of Testing the Physical Properties of the Product
Property

Unit

Requirement

ResultFootnote (1) , Footnote (2)

Dimensional change

coefficient of linear expansion (thermal) longitudinal

cm/cm/°C

< 2 × 10-5

5.2 × 10-5Footnote (3)

coefficient of linear expansion (thermal) cross sectional

cm/cm/°C

< 2 × 10-5

7.1 × 10-5Footnote (3)

coefficient of linear expansion (swelling): oven dry to vacuum pressure soak

%

< 0.5 by 80% of specimens

0.0

Strength and stiffness

modulus of elasticity (MOE) span to depth ratio within 18 to 21

MPa

> 750

2 980

modulus of rupture (MOR) span to depth ratio within 18 to 21

MPa

> 9

30

Impact resistance (Izod impact, notched)

J/m

> 53.4

41Footnote (4)

Hardness (11.28-mm-diameter ball)

kN

> 1.8

3.8

Creep, recovery and load duration

%

< 25 for creep

49.1Footnote (5)

%

> 75 for recovery

68.7Footnote (5)

%

No failure

Pass

Strength and stiffness after aging

weathering: impact resistance

%

> 75 of non- weathered value

92

accelerated aging -MOE

%

> 50 of non-aged value

60

accelerated aging - MOR

%

> 50 of non-aged value

71

Fastener holding capacity

nail withdrawal strength

N

> 600

761 (standard deviation = 35)

lateral nail strength

N

> 720

518Footnote (6) (standard deviation = 100)

Flame-spread rating

smoke development

< 200

120

Report

> 500

Results of Testing the Durability, Decay, Termite and Slip Resistance Properties of the Product

Property

Requirement

Result

Durability - MOE

Mean percentage losses in MOE and MOR after UV exposure and accelerated aging must be less than or equal to spruce lumber.

Pass

Durability - MOR

Mean percentage losses in MOE and MOR after UV exposure and accelerated aging must be less than or equal to spruce lumber.

Pass

Decay resistance - % loss in weight

Mean percentage losses in weight and compressive strength after exposure to decay-causing fungi must be equal to or better than spruce heartwood.

Pass

Decay resistance - compressive strength

Mean percentage losses in weight and compressive strength after exposure to decay-causing fungi must be equal to or better than spruce heartwood.

Pass

Termite resistance

Rating must be equal to or better than preservative-treated wood conforming to CSA 80.1-M97.

Pass

Results of Testing the Durability, Decay, Termite and Slip Resistance Properties of the Product

Property

Requirement

Result

Parallel to Planks

Perpendicular to Planks

Slip resistance dry condition

longitudinal planks

> 0.5 ASTM D2394 (05)

0.43Footnote (1)

0.52

Slip resistance wet condition

longitudinal planks

> 0.5 ASTM D2394 (05)

0.32Footnote (1)

0.39Footnote (1)

Results of Testing the Performance of the Product under Concentrated Static Loads and Impact Loads

Property

Requirement

ResultFootnote (1)

Minimum Ultimate Load (kN)

Maximum Deflection under 0.89 kN Load (mm)

Ultimate Load (kN)

Deflection under 0.89 kN Load (mm)

Concentrated static load

decking at 50°C

2.45

2.4

3.88

2.71

decking at 20°C

2.45

2.4

4.20

2.7Footnote (2)

decking at –35°C

2.45

2.4

4.14

1.06

Impact load of 102 N·m

decking at 50°C

1.78

2.4

> 1.78

2.3

decking at –35°C

1.78

2.4

> 1.78

1.12

Results of Testing the Performance of Stair Treads under a Concentrated Static Load

Property

Requirement

ResultFootnote (1)

Minimum Ultimate Load (kN)

Maximum Deflection under 1 kN (mm)

Applied Ultimate Load (kN)

Deflection under 1 kN (mm)

Concentrated static load stair tread

5Footnote (2)

0.75

8.75

1.4Footnote (3)