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Standard Aspen Treated Wood Siding (Common: 8-in x 16-ft; Actual: 7.219-in x 15-ft 11-in)

SmartSide Standard Aspen Treated Wood Siding (Common: 8-in x 16-ft; Actual: 7.219-in x 15-ft 11-in)

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Are these panels fire resistant


LP SmartSide is a class C (III) rated product when tested according to ASTM E84. All LP SmartSide siding can be used in a 1-hour fire rated assembly when it is installed over 5/8 type-X gypsum, which is consistent with other siding types such as fiber cement siding. Class C siding products meet a Flame Spread Index between 76-200 and a Smoke-Developed Index between 0-450.

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