MPI Sound Rated Doors


	Sound rated doors by MPI have been tested and certified by nationally recognized testing laboratories. All doors are 1 3/4" thick and do not require cam lift hinges. Rated frames are also available. We match other manufacturers' hardware locations at no extra cost.


Sound Rated Products

Testing and certification in accordance with the following national test standards: ASTM E90-09 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements ASTM E413-10 Classification for Rating Sound Insulation ASTM E1332-10a Standard Classification for Rating Outdoor-Indoor Sound Attenuation ASTM E2235-04 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods



Ratings from STC 28 to STC 52 available. Contact factory for additional information



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