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Results of Testing the Basic Physical and Mechanical Properties of the Products

Property

Unit

Requirement

Result

Dimensional change

coefficient of linear expansion (thermal)

°C−1

≤ 2 × 10−5

1.86−6

coefficient of linear expansion (swelling)

%

≤ 0.5 (by 80% of specimens)

0.26

Strength and stiffness

modulus of elasticity (MOE)

MPa

≥ 750

3 418

Strength and stiffness

modulus of rupture (MOR)

≥ 9

21

Strength and stiffness

impact resistance

J/m

≥ 53.4

22.2Footnote (1)

Strength and stiffness

hardness

kN

≥ 1.8

10

Strength and stiffness

creep, recovery and load duration

%

≤ 25% for creep

51.4Footnote (2)

Strength and stiffness

creep, recovery and load duration

%

≥ 75% for recovery

≥ 92.2

Strength and stiffness

creep, recovery and load duration

%

No specimen failure in Step 6

No specimen failureFootnote (2)

Strength and stiffness

impact resistance (after weathering)

%

≥ 75% of non-weathered value

98.2

Strength and stiffness

MOE and MOR (after accelerated aging)

%

≥ 50% of non-aged value

97.3 (MOE) 104 (MOR)

Fastener holding capacityFootnote (3) fastener withdrawal strength

proprietary clip system with screws only

N

≥ 600

2 813 (R),Footnote (4) 3 774 (WR)

proprietary clip system

N

≥ 600

1 123 (R), 1 147 (WR)

deck screws

N

≥ 600

3 691 (R), 3 762 (WR)

Fastener holding capacityFootnote (3) lateral fastener strength

deck screws

N

≥ 720

4 097 (R), 3 830 (WR)

proprietary clip system

N

≥ 720

1 313 (R), 1 287 (WR)

Results of Testing the Concentrated Static Load for "DecKorators"Footnote (1)
Property

Requirement

ResultFootnote (2)

Minimum Ultimate Load (kN)

Maximum Deflection under 0.89 kN Load for 400 mm Span (mm)

Ultimate Load (kN)

Deflection under 0.89 kN Load (mm)

Concentrated load

decking at 50°C

2.45

2.0

3.03

3.23Footnote (3)

decking at 20°C

2.45

2.0

4.18

1.96

decking at –35°C

2.45

2.0

5.31

1.30

Results of Testing the Concentrated Static Load for "Marine"Footnote (1)
Property

Requirement

ResultFootnote (2)

Minimum Ultimate Load (kN)

Maximum Deflection under 0.89 kN Load for 600 mm Span (mm)

Ultimate Load (kN)

Deflection under 0.89 kN Load (mm)

Concentrated load

decking at 50°CFootnote (3)

2.45

2.8

3.78

3.22Footnote (4)

Results of Testing the Impact Load for "DecKorators" Footnote (1)

Property

Requirement

ResultFootnote (2)

Minimum Ultimate Load following Impact Load of 100 N·m (kN)

Maximum Deflection under 0.89 kN Load following Impact Load for 400 mm Span (mm)

Load of 1.78 kN following Impact Load of 100 N·m

Deflection under 0.89 kN Load following Impact Load (mm)

Impact load

decking at 50°C

1.78

2.0

No break

2.42Footnote (3)

Results of Testing the Impact Load for "Marine"Footnote (1)
Property

Requirement

ResultFootnote (2)

Minimum Ultimate Load following Impact Load of 100 N·m (kN)

Maximum Deflection under 0.89 kN Load following Impact Load for 600 mm Span (mm)

Load of 1.78 kN following Impact Load of 100 N·m

Deflection under 0.89 kN Load following Impact Load (mm)

Impact load

decking at 50°C

1.78

2.8

No break

3.74Footnote (3)

Results of Testing the Durability of the Products

Property

Requirement

Result

MOE and MOR

Mean percentage loss in MOE and MOR after UV exposure.Footnote (1) Accelerated agingFootnote (2) must be less than or equal to spruce lumber.

Pass

Results of Testing the Slip Resistance Properties of the Products

Property

Reference Value

Result

Slip resistance (longitudinal)

dry condition

> 0.5 ASTM F 1679-04, "Standard Test Method for Using a Variable Incidence Tribometer (VIT)"

Pass

wet condition

FailFootnote (1)

Results of Testing the Decay Resistance Properties of the Products

Property

Requirement

Result

Percentage loss in weight and compressive strength

Mean percentage loss in weight and compressive strength after exposure to decay-causing fungi must be equal or better than preservative-treated wood conforming to CAN/CSA-O80.1-M97, "Preservative Treatment of All Timber Products by Pressure Processes."

PassFootnote (1)

Results of Testing the Termite Resistance Properties of the Products

Property

Requirement

Result

ASTM D 3345 rating

Rating must be equal to or better than preservative-treated wood conforming to CAN/CSA-O80.1-M97.

PassFootnote (1)