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Styrofoam R- 10 , 2-in x 4-ft x 8-ft Polystyrene Board Insulation

STYROFOAM Styrofoam R- 10 , 2-in x 4-ft x 8-ft Polystyrene Board Insulation

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Can this be installed between studs on a unconditioned truss attic floor?


As long as the insulation boards are installed in an unoccupied space and are separated from the living space by an appropriate thermal barrier, this should be an acceptable application. Please confirm with your local building code official and be certain to follow all necessary steps for appropriately fastening the boards. Additional information can be found on the ICC-ES Code Report linked below: http://www.icc-es.org/Reports/pdf_files/load_file.cfm?file_type=pdf&file_name=ESR-2142.pdf

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