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R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Perma "R" Products R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

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I would like to use this to deter sound on a ceiling and also paint . Any suggestions which might help at reasonable costs ?


Our products are not rated for sound.

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