Sound Absorption
Sound absorption coefficients and NRC ratings for building materials — fiberglass, carpet, concrete, drapery, ceiling tile, etc. per ASTM C423 and ASHRAE Ch.49
Attributes
nrcdimensionless
alpha_125dimensionless
alpha_250dimensionless
alpha_500dimensionless
alpha_1000dimensionless
alpha_2000dimensionless
alpha_4000dimensionless
category
mounting
description
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acoustic_panel_fabric_wrapped2 rowsbrick_painted1 rowbrick_unglazed1 rowcarpet_on_concrete1 rowcarpet_on_foam_pad1 rowceiling_tile_fiberglass_high_nrc1 rowceiling_tile_mineral_fiber_high_nrc1 rowceiling_tile_mineral_fiber_standard1 rowconcrete_block_coarse1 rowconcrete_block_painted1 rowconcrete_poured_painted1 rowconcrete_poured_unpainted1 rowdrapery_heavy_pleated1 rowdrapery_light_flat1 rowdrapery_medium_pleated1 rowfiberglass_batt_1in1 rowfiberglass_batt_2in1 rowfiberglass_batt_4in1 rowglass_large_plate1 rowglass_small_pane1 rowgypsum_board_half_in1 rowmarble_glazed_tile1 rowmineral_wool_safb_2in1 rowmineral_wool_safb_4in1 rowpeople_adult1 rowperforated_metal_panel1 rowplaster_rough_lath1 rowplaster_smooth_masonry1 rowplywood_panel_10mm1 rowpolyurethane_foam_1in1 row
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