Spiegel Grove D4 Siding Soft Willow 0.040 Cedar Emboss 040 D4 SOFT WILLOW 41
20D441RMC
Double 4"

Specifications:
Siding Thickness : .040"*"
Specific Gravity : 1.45
Tensile Strength (PSI) : 7,154
Tensile Modulars (PSI) : 416,900
Heat Deflection Temp. @ 264 PSI : 169° F
Coefficient of Linear Expansion : 3.30 x 10-5
Warpage : 0.00"
Heat Shrinkage : 0.30%
Windload Rating~ : 193 m.p.h.
Surface Distortion @ 140° F : 0
Flame Spread Index : 10
Fire Rating Class : A
Smoke Developed : 395
Fuel Contributed : 0
Average Time of Burning : Self Extinguished
Weathering Passes per ASTM D3679 : 2.379 mm