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technical data

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Absorption 12.5%
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Compression strength:
3,400 psi in accordance with ASTM C39
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Thickness: 1 to 3
inches
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Splitting Tensile Strength:
305 psi
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Fire Rating: Shows
zero flame spread, zero fuel contributed, and zero smoke development
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Installed Weight: 9 to
12 lbs./sq. ft. (approx.)
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R Value: 0.75 to 1
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Color Retention:
Permanent mineral oxide colors are used and will have no unsightly color
change after years of weathering
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