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What is the Nominal IIC (Impact Insulation Class)?

April 26, 2017class iic impact insulation nominal

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What is the Nominal IIC (Impact Insulation Class)?

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To date, no clinical tests have been conducted to determine Lite-Deck’s IIC rating. However, the following ratings have been acheived for similar concrete floor/ceiling designs: Flat 6″ concrete slab – No covering: IIC 34 / With wood sheathing, pad and carpet: IIC 81 2″ slab w/14″ T Joists – No covering: IIC 24 / With carpet and pad: IIC 72 4″ slab No covering: IIC 20 / With 1″ Gypsum Board: IIC 35 5.75″ slab No covering: IIC 27 / With 1″ Gypsum Board: IIC 27 The presence of closed-cell EPS (Expanded Polystyrene) in Lite-Deck’s forms do not significatly change the IIC ratings of the concrete floor/roof.