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Royal DuraPlank Reinforced Siding Royal DuraPlank Reinforced Siding
 

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Typical Physical Properties
TEST STANDARD METHOD UNIT OF MEASURE RESULT
IZOD impact (23°C/73°F) ASTM D-256 ft-lb/in 2.4
Tensile strength ASTM D-638 Psi >6000
Modulus of elasticity ASTM D-638 Psi >365,000
Deflection temperature under load @ 264 Psi ASTM D-648 °F
170
Coefficient of linear expansion ASTM E-831 105 in/in/°F 2.92
Chemical resistance ASTM D-543   Excellent
Cell classification ASTM D-1784 Class # 1334434
Compound class ASTM D-3679 Class # 2

Siding/Extrudate Typical Physical Properties
TEST STANDARD METHOD UNIT OF MEASURE RESULT
Impact resistance (23°C/73°F)
ASTM D-4226 in-lb 150
Impact resistance (0°C/32°F) ASTM D-4226 in-lb 100
Low temperature flexibility @ 0° C CAN/CGSB
41 - 24-95
% passed >90
Low temperature flexibility @ -10° C CAN/CGSB
41 - 24-95
% passed >90
Shrinkage/reversion ASTM D-3679-95 % <2.0
Surface distortion (oil can) ASTM D-3679-95 °F >130
Nominal thickness CAN/CGSB41 - 24-95 mm 1.35
Wall thickness ASTM D-3679-95 inch 0.054

Fire Characteristics
TEST STANDARD METHOD RESULT
Flame spread index
Fuel contribution
Smoke developed index
CAN/ULC-S102.2 2.4
0
234
Self-ignition temperature, °F ASTM D-1929, UBC 52-3 810
Smoke density rating (%)
Maximum smoke density (%)
Visibility of exit sign
ASTM D-2843, UBC 52-2 42.1
56.0
Good
Total burn time, seconds
Extent of burning, mm
Fire resistance rating
ASTM D-635
ASTM D-636
ASTM E-119
<5
<5
1 hour

Physical Requirements
CHARACTERISTICS USA STANDARDS ASTM 3679-92 CND STANDARDS CAN/CGSB 41-24-95 Royal DuraPlank PEFORMANCE
Nominal thickness
0.035"
0.040"
0.054
Width
±1/16"
Not specified
±1/16"
Length
±1/4"
Not specified
±1/4"
Weight
>15.81 Kg/square
Not specified
>18.0 Kg/square
Impact resistance @ 23ºC min.
1.74 in-lb/mil
2.00 in-lb/mil
2.75 in-lb/lb
Impact resistance @ 0ºC min.
Not required
1.50 in-lb/mil
1.95 in-lb/mil
Surface distortion
40.5ºC (105ºF)
55ºC (131ºF)
>65ºC(>149ºF)
Low temperature flexibility @0ºC
Not required
80% passed
80% passed
Warp
1/8" per length max.
1/8" per length max.
1/8" per length max.
Heat shrinkage
3.0% max.
3.0% max.
3.0% max.
Thermal stability
Not specified
Not specified
100%
Coefficient of linear expansion, max.
4.5 x 10-5 in/inºF in/inºF
4.5 x 10-5 in/inºF in/inºF
3.07 x 10-5 in/inºF
Specular gloss
Not specified
±15% max.
±10% max.
Color consistency
Not specified
Not specified
±0.2 - 0.5
Fastener holes
Not specified
1" min.
1 1/4"
Fastener hole spacing
Not specified
2" c.c.max.
1 3/4" c.c.

FIRE SAFETY INFORMATION
“When rigid vinyl siding is exposed to significant heat or flame, the vinyl will soften, sag, melt, or burn, and may thereby expose material underneath. Care must be exercised when selecting underlayment materials because many underlayment materials are made from organic materials that are combustible. You should ascertain the fire properties of underlayment materials prior to installation. All building materials should be installed in accordance with building codes, having jurisdiction, and fire regulations.”

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