0 Transparent 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 1 100% absorbent 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 1.00000 2 100% reflecting 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 10 10% absorbent 0.10000 0.10000 0.10000 0.10000 0.10000 0.10000 0.10000 0.10000 20 20% absorbent 0.20000 0.20000 0.20000 0.20000 0.20000 0.20000 0.20000 0.20000 30 30% absorbent 0.30000 0.30000 0.30000 0.30000 0.30000 0.30000 0.30000 0.30000 40 40% absorbent 0.40000 0.40000 0.40000 0.40000 0.40000 0.40000 0.40000 0.40000 50 50% absorbent 0.50000 0.50000 0.50000 0.50000 0.50000 0.50000 0.50000 0.50000 60 60% absorbent 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 70 70% absorbent 0.70000 0.70000 0.70000 0.70000 0.70000 0.70000 0.70000 0.70000 80 80% absorbent 0.80000 0.80000 0.80000 0.80000 0.80000 0.80000 0.80000 0.80000 90 90% absorbent 0.90000 0.90000 0.90000 0.90000 0.90000 0.90000 0.90000 0.90000 100 Rough concrete (Ref. 15) 0.02000 0.02000 0.03000 0.03000 0.03000 0.04000 0.07000 0.07000 101 Smooth unpainted concrete (Ref. 15) 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 0.05000 0.05000 102 Smooth concrete, painted or glazed (Ref. 15) 0.01000 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 0.02000 103 Concrete block, painted (Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991) 0.10000 0.10000 0.05000 0.06000 0.07000 0.09000 0.08000 0.08000 104 Concrete block, with or without plaster, painted (Ref. Dalenbäck, CATT) 0.11000 0.11000 0.08000 0.07000 0.06000 0.05000 0.05000 0.05000 105 Porous concrete blocks without surface finish, 400-800 kg/m3 (Ref. SBI/13) 0.05000 0.05000 0.05000 0.05000 0.08000 0.14000 0.20000 0.20000 106 Clinker concrete, no surface finish, 800 kg/m3 (Ref. SBI/13) 0.10000 0.10000 0.20000 0.40000 0.60000 0.50000 0.60000 0.60000 107 Concrete block, coarse (Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991) 0.36000 0.36000 0.44000 0.31000 0.29000 0.39000 0.25000 0.25000 108 Concrete or terrazzo Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.01000 0.01000 0.01000 0.01500 0.02000 0.02000 0.02000 0.02000 1000 Smooth brickwork with flush pointing, painted (Ref. 14) 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 0.02000 0.02000 1001 Smooth brickwork with flush pointing (Ref. 15) 0.02000 0.02000 0.03000 0.03000 0.04000 0.05000 0.07000 0.07000 1002 Brick, unglazed Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.03000 0.03000 0.03000 0.03000 0.04000 0.00000 0.07000 0.07000 1003 Brick, unglazed, painted Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 0.03000 0.03000 1004 Brickwall, casted, with tapestry (Ref. Dalenbäck, CATT) 0.02000 0.02000 0.03000 0.04000 0.05000 0.07000 0.08000 0.08000 1005 Smooth brickwork, 10 mm deep pointing, pit sand mortar (Ref. SBI/13) 0.08000 0.08000 0.09000 0.12000 0.16000 0.22000 0.24000 0.24000 1006 Smooth brickwork, pointing 10 mm deep, every 3rd vertical joint 20 mm wide without mortar to 100m depth. In these holes 70 mm of mineral wool (Ref. SBI/13) 0.15000 0.15000 0.18000 0.20000 0.35000 0.35000 0.40000 0.40000 1007 55 mm perforated bricks on edge, 33 holes per brick, 23% perforation, over 70 mm cavity with 50 mm mineral wool (Ref. 17) 0.45000 0.45000 0.99000 0.80000 0.49000 0.70000 0.55000 0.55000 1008 55 mm perforated bricks on edge, 78 holes per brick, 11% perforation, over 50 mm cavity with 50 mm mineral wool (Ref. 22) 0.48000 0.48000 0.77000 0.38000 0.27000 0.65000 0.35000 0.35000 1009 55 mm perforated bricks on edge, 78 holes per brick, 11% perforation, no cavity (Ref. SBI/13) 0.03000 0.03000 0.15000 0.30000 0.80000 0.45000 0.50000 0.50000 1010 Raised bricks with 19 holes directly on stone wall (Ref. Dalenbäck, CATT) 0.14000 0.14000 0.28000 0.45000 0.90000 0.45000 0.65000 0.65000 1011 Bricks with 19 holes (facingout), 50 mm from hard wall with mineral wool (Ref. Dalenbäck, CATT) 0.37000 0.37000 0.99000 0.85000 0.60000 0.80000 0.65000 0.65000 2001 Marble or glazed tile Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.01000 0.01000 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 2002 Ceramic tiles. perforation = 5 %. Mineralwool in cavity (Ref. Multiconsult, Norway) 0.21000 0.21000 0.54000 0.74000 0.34000 0.28000 0.42000 0.42000 2003 Ceramic tiles. perforation = 12%. Mineralwool in cavity, (Ref. Multiconsult, Norway) 0.20000 0.20000 0.44000 0.68000 0.79000 0.56000 0.52000 0.52000 2004 Ceramic tiles. perforation = 20 %. Mineralwool in cavity (Ref. Multiconsult, Norway) 0.12000 0.12000 0.20000 0.68000 0.90000 0.74000 0.60000 0.60000 3000 hollow wooden podium (Ref. Dalenbäck, CATT) 0.40000 0.40000 0.30000 0.20000 0.17000 0.15000 0.10000 0.10000 3001 Parkettfußboden, schwimmend (Ref. Dalenbäck, CATT) 0.10000 0.10000 0.07000 0.05000 0.06000 0.06000 0.06000 0.06000 3002 wood parquet in asphalt on concrete (Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991) 0.04000 0.04000 0.04000 0.07000 0.06000 0.06000 0.07000 0.07000 3004 Wooden floor on joists (Ref. 16) 0.15000 0.15000 0.11000 0.10000 0.07000 0.06000 0.07000 0.07000 3005 Parquet on counterfloor (Ref. 15) 0.20000 0.20000 0.15000 0.10000 0.10000 0.05000 0.10000 0.10000 3020 16-22 mm wood facing (tongue-and-groove or rabbeted) on frame over 50 mm cavity filled with mineral wool (Ref. 15) 0.25000 0.25000 0.15000 0.10000 0.09000 0.08000 0.07000 0.07000 3021 6 mm wood fibre board on laths, cavity >100 mm deep (Ref. 15) 0.30000 0.30000 0.20000 0.20000 0.10000 0.05000 0.05000 0.05000 3022 22 mm chipboard, 50 mm cavity filled with mineral wool (Ref. 15) 0.12000 0.12000 0.04000 0.06000 0.05000 0.05000 0.05000 0.05000 3023 3-4 mm asbestos or plywood sheets, >75 mm cavity with 25-50 mm mineral wool (Ref. SBI/13) 0.50000 0.50000 0.30000 0.10000 0.05000 0.05000 0.05000 0.05000 3024 4 mm asbestos or plywood boards fastened at random intervals (at least 0.4 * 0.6 m), over 75 mm cavity with 25 mm mineral wool (Ref. SBI/13) 0.55000 0.55000 0.30000 0.10000 0.05000 0.05000 0.05000 0.05000 3025 22 * 100 mm boards with 10 mm gaps, over 50 mm cavity with glass mat in front of mineral wool (Ref. 15) 0.05000 0.05000 0.25000 0.60000 0.15000 0.05000 0.10000 0.10000 3062 plywood on battens fixed to solid backing (Ref. Dalenbäck, CATT) 0.30000 0.30000 0.20000 0.15000 0.13000 0.10000 0.08000 0.08000 3063 thin plywood paneling (Ref. Dalenbäck, CATT) 0.42000 0.42000 0.21000 0.10000 0.08000 0.06000 0.06000 0.06000 3064 16 mm wood on 40 mm studs (Ref. Dalenbäck, CATT) 0.18000 0.18000 0.12000 0.10000 0.09000 0.08000 0.07000 0.07000 3065 wood, 25 mm with air space (Ref. Dalenbäck, CATT) 0.19000 0.19000 0.14000 0.09000 0.06000 0.06000 0.05000 0.05000 3066 8mm wood veneer on 50mm studs (Ref. Dalenbäck, CATT) 0.28000 0.28000 0.22000 0.17000 0.09000 0.10000 0.11000 0.11000 3067 3 mm wood veneer on 50 mm studs (Ref. Dalenbäck, CATT) 0.20000 0.20000 0.28000 0.26000 0.09000 0.12000 0.11000 0.11000 3068 Plywood paneling, 1 cm thick Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.28000 0.28000 0.22000 0.17000 0.09000 0.10000 0.11000 0.11000 3069 panel without slots, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.17000 0.17000 0.32000 0.12000 0.06000 0.03000 0.02000 0.02000 3070 panel with slot 1 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.09000 0.09000 0.72000 0.30000 0.12000 0.06000 0.05000 0.05000 3071 panel with slot 2 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.09000 0.09000 0.67000 0.49000 0.21000 0.09000 0.07000 0.07000 3072 panel with slot 4 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.08000 0.08000 0.57000 0.71000 0.40000 0.20000 0.18000 0.18000 3073 panel with slot 8 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.09000 0.09000 0.60000 0.91000 0.60000 0.35000 0.30000 0.30000 3074 panel with slot 16 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.03000 0.03000 0.46000 0.87000 0.70000 0.54000 0.42000 0.42000 3075 panel with slot 49 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.06000 0.06000 0.41000 0.83000 0.93000 0.73000 0.55000 0.55000 3076 panel with slot102 mm, on 25 mm studs with mineral wool (Ref. Dalenbäck, CATT) 0.03000 0.03000 0.40000 0.79000 0.91000 0.76000 0.70000 0.70000 3077 panel with slot 270 mm, on 25 mm studs with mineral wool(Ref. Dalenbäck, CATT) 0.03000 0.03000 0.33000 0.73000 0.89000 0.85000 0.77000 0.77000 3100 (Example 3100-3199) Gustaf MDF-panel system (href= "http://www.gustafs.com/__275"). 0.15667 0.49333 0.68667 0.62667 0.43333 0.27333 0.18667 0.18000 3200 (Example 3200-3299) Flex Acoustics AqFix panel system, dept of construction 70mm (href= "http://www.flexac.com"). 0.56000 0.60000 0.14000 0.08000 0.08000 0.08000 0.08000 0.08000 4000 Lime cement plaster (Ref. 15) 0.02000 0.02000 0.02000 0.03000 0.04000 0.05000 0.05000 0.05000 4001 Glaze plaster (Ref. 15) 0.01000 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 0.02000 4002 Painted plaster surface (Ref. SBI/13) 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 4003 Plaster with wallpaper on backing paper (Ref. 15) 0.02000 0.02000 0.03000 0.04000 0.05000 0.07000 0.08000 0.08000 4035 Plaster, gypsum, or lime, rough finish on lath Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.14000 0.14000 0.10000 0.06000 0.05000 0.04000 0.03000 0.03000 4036 Plaster, gypsum, or lime, smooth finish on lath Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.14000 0.14000 0.10000 0.06000 0.04000 0.04000 0.03000 0.03000 4038 'Acoustic plaster' (Ref. 13) 0.15000 0.15000 0.25000 0.40000 0.55000 0.60000 0.60000 0.60000 4040 Plasterboard on frame, 9.5 mm boards, 100 mm empty cavity (Ref. 19) 0.11000 0.11000 0.13000 0.05000 0.03000 0.02000 0.03000 0.03000 4041 Plasterboard on frame, 9.5 mm boards, 100 mm cavity filled with mineral wool (Ref. 19) 0.28000 0.28000 0.14000 0.09000 0.06000 0.05000 0.05000 0.05000 4042 Plasterboard on frame, 13 mm boards, 100 mm empty cavity (Ref. 19) 0.08000 0.08000 0.11000 0.05000 0.03000 0.02000 0.03000 0.03000 4043 Plasterboard on frame, 13 mm boards, 100 mm cavity filled with mineral wool (Ref. 19) 0.30000 0.30000 0.12000 0.08000 0.06000 0.06000 0.05000 0.05000 4044 2*13 mm plasterboard on steel frame, 50 mm mineral wool in cavity, surface painted (Ref. 17) 0.15000 0.15000 0.10000 0.06000 0.04000 0.04000 0.05000 0.05000 4045 gypsum board, 2 layers total 32 mm (Ref. Dalenbäck, CATT) 0.28000 0.28000 0.12000 0.10000 0.17000 0.13000 0.09000 0.09000 4046 13 mm plaster on 100 mm studs (Ref. Dalenbäck, CATT) 0.29000 0.29000 0.10000 0.05000 0.04000 0.07000 0.09000 0.09000 4047 13 mm plaster on 25 mm studs (no mineral wool) (Ref. Dalenbäck, CATT) 0.16000 0.16000 0.15000 0.07000 0.08000 0.05000 0.06000 0.06000 4048 30 mm plaster on metal lath (Ref. Dalenbäck, CATT) 0.14000 0.14000 0.10000 0.06000 0.05000 0.04000 0.03000 0.03000 4049 13 mm plaster on 25 mm studs (with mineral wool) (Ref. Dalenbäck, CATT) 0.26000 0.26000 0.20000 0.10000 0.07000 0.04000 0.07000 0.07000 4050 Plasterboard 9.5 mm with 6 mm o holes in square pattern with approx. 11% perforation. 100 mm from wall with 25 mm mineral wool at front of cavity (Ref. SBI/13) 0.08000 0.08000 0.20000 0.50000 0.40000 0.40000 0.35000 0.35000 4051 Slotted 13 mm gypsum board (12%), 106 x3 mm2 on studs and mineral wool (Ref. Dalenbäck, CATT) 0.20000 0.20000 0.22000 0.71000 0.99000 0.55000 0.42000 0.42000 4052 Perf. 13 mm gypsumboard (11%), d = 5 mm, on studs and mineral wool (Ref. Dalenbäck, CATT) 0.18000 0.18000 0.32000 0.71000 0.99000 0.50000 0.29000 0.29000 4053 Perf. 27 mm gypsumboard (16%), d = 4,5 mm 300mm from ceiling (Ref. Dalenbäck, CATT) 0.45000 0.45000 0.55000 0.60000 0.90000 0.86000 0.75000 0.75000 4100 (Example 4100-4199)Gyptone(href= "http://gyptone.com") 0.10000 0.10000 0.10000 0.05000 0.05000 0.00000 0.05000 0.05000 4200 (Example 4200-4299)Danoline Regula R. smooth gypsum plate with acoustic felt. suspended 50 mm (href= "http://danoline.com") 0.30000 0.30000 0.10000 0.10000 0.05000 0.05000 0.05000 0.05000 5000 Steel trapez profile (Weighted values) 0.40000 0.30000 0.25000 0.20000 0.10000 0.10000 0.15000 0.15000 5100 (Example 5100-5199) Viledon SoundTex. p = 15% Perf. alum.plate med 40 mm mineral wool. 350 mm suspended (href= "http://viledon-akustik.de") 0.60000 0.60000 0.62000 0.77000 0.74000 0.65000 0.81000 0.81000 5200 (Example 5200-5299) DAMPA 10 type N Aluminium plate. AL-21 (Ø 1.0 mm. p = 22.7 %) - 0.2 mm akustic felt.(href= "http://dampa.com") 0.06500 0.06500 0.21333 0.44667 0.79000 0.80333 0.57500 0.57500 6000 Linoleum or vinyl stuck to concrete (Ref. 17) 0.02000 0.02000 0.02000 0.03000 0.04000 0.04000 0.05000 0.05000 6001 Layer of rubber, cork, linoleum+underlay or vinyl+underlay stuck to concrete (Ref. 15) 0.02000 0.02000 0.02000 0.04000 0.05000 0.05000 0.10000 0.10000 6002 Linoleum on wooden floor (Ref. Dalenbäck, CATT) 0.15000 0.15000 0.12000 0.11000 0.10000 0.07000 0.08000 0.08000 6003 5 mm rubber carpet on concrete (Ref. Dalenbäck, CATT) 0.04000 0.04000 0.04000 0.08000 0.12000 0.10000 0.10000 0.10000 6100 (Example 6100-6199) Single microsorber - 0.1 mm perforated polyester cloth 30 mm from reflecting surface(href= "http://www.microsorber.com/microsorber.htm") 0.01000 0.01000 0.03000 0.05000 0.30000 0.65000 0.50000 0.50000 6200 (Example 6200-6299) Flex Acoustics, AqFlex portable fire retardent plastic tubes for large concert events total dept 700mm (href= "http://www.flexac.com") 0.30000 0.50000 0.50000 0.50000 0.30000 0.20000 0.10000 0.10000 7000 Needle felt 5mm stuck to concrete (Ref. SBI/13) 0.01000 0.01000 0.02000 0.05000 0.15000 0.30000 0.40000 0.40000 7001 6mm pile carpet bonded to closed-cell foam underlay (Ref. 18) 0.03000 0.03000 0.09000 0.25000 0.31000 0.33000 0.44000 0.44000 7002 6mm pile carpet bonded to open-cell foam underlay (Ref. 18) 0.03000 0.03000 0.09000 0.20000 0.54000 0.70000 0.72000 0.72000 7003 9mm tufted pile carpet on felt underlay (Ref. 18) 0.08000 0.08000 0.08000 0.30000 0.60000 0.75000 0.80000 0.80000 7004 Carpet heavy, on concrete Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.02000 0.02000 0.06000 0.14000 0.37000 0.60000 0.65000 0.65000 7005 Carpet heavy, on hairfelt or foam rubber Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.08000 0.08000 0.24000 0.57000 0.69000 0.71000 0.73000 0.73000 7006 Carpet heavy, with impermeable latex backing on hairfelt or foam rubber Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.08000 0.08000 0.27000 0.39000 0.34000 0.48000 0.63000 0.63000 7007 10 mm soft carpet on concrete (Ref. Dalenbäck, CATT) 0.09000 0.09000 0.08000 0.21000 0.26000 0.27000 0.37000 0.37000 8005 Cotton curtains (0.5 kg/m2) draped to 3/4 area approx. 130 mm from wall (Ref. 17) 0.30000 0.30000 0.45000 0.65000 0.56000 0.59000 0.71000 0.71000 8006 Curtains (0.2 kg/m2) hung 90 mm from wall (Ref. 22) 0.05000 0.05000 0.06000 0.39000 0.63000 0.70000 0.73000 0.73000 8007 Curtains of close-woven glass mat hung 50 mm from wall (Ref. SBI/13) 0.03000 0.03000 0.03000 0.15000 0.40000 0.50000 0.50000 0.50000 8008 Drapes, light velour, hung straight, in contact with wall Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.03000 0.03000 0.04000 0.11000 0.17000 0.24000 0.35000 0.35000 8009 Drapes, medium velour, draped to half area Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.07000 0.07000 0.31000 0.49000 0.75000 0.70000 0.60000 0.60000 8010 Drapes, heavy velour Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.14000 0.14000 0.35000 0.55000 0.72000 0.70000 0.65000 0.65000 8011 Curtains, cotton cloth (0.33 kg/m2) folded to 1/2 area (Ref. Dalenbäck, CATT) 0.07000 0.07000 0.31000 0.49000 0.81000 0.66000 0.54000 0.54000 8012 Curtains, cotton cloth (0.33 kg/m2) folded to 3/4 area (Ref. Dalenbäck, CATT) 0.04000 0.04000 0.23000 0.14000 0.57000 0.53000 0.40000 0.40000 8013 Curtains, cotton cloth (0.33 kg/m2) folded to 7/8 area (Ref. Dalenbäck, CATT) 0.03000 0.03000 0.12000 0.15000 0.27000 0.37000 0.42000 0.42000 8014 Curtains, densly woven window curtains 90mm from wall (Ref. Dalenbäck, CATT) 0.06000 0.06000 0.10000 0.38000 0.63000 0.70000 0.73000 0.73000 8100 (Example 8100-8199) Blinds in front of glass 45 degrees (Ref. Multiconsult, Norway) 0.18000 0.18000 0.08000 0.14000 0.22000 0.37000 0.34000 0.34000 9000 Water surface in swimming pool (Ref. 14) 0.01000 0.01000 0.01000 0.01000 0.01000 0.02000 0.02000 0.02000 9001 Sand,100 mm thickness (Ref. Dalenbäck, CATT) 0.15000 0.15000 0.35000 0.40000 0.50000 0.55000 0.80000 0.80000 9010 Ballast or other crushed stone, 3.18 cm screened ballast 15.2 cm deep Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.19000 0.19000 0.23000 0.43000 0.37000 0.58000 0.62000 0.62000 9011 Ballast or other crushed stone, 3.18 cm, 30.5 cm deep Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.27000 0.27000 0.58000 0.48000 0.54000 0.73000 0.63000 0.63000 9012 Ballast or other crushed stone, 3.18 cm, 45.7 cm deep Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.41000 0.41000 0.53000 0.64000 0.84000 0.91000 0.63000 0.63000 9013 Ballast or other crushed stone, 0.64 or less granite aggregate 15.2 deep Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.22000 0.22000 0.64000 0.70000 0.79000 0.88000 0.72000 0.72000 9014 Floors, gravel, 100 mm thickness (Ref. Dalenbäck, CATT) 0.25000 0.25000 0.60000 0.65000 0.70000 0.75000 0.80000 0.80000 9015 Earth partly covered with concrete(Ref. Multiconsult, Norway) 0.20000 0.40000 0.50000 0.55000 0.60000 0.70000 0.80000 0.79000 10000 Solid glass blocks (Ref. Multiconsult, Norway) 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 0.02000 10001 single pane of glass (Ref. Multiconsult, Norway) 0.18000 0.18000 0.06000 0.04000 0.03000 0.02000 0.02000 0.20000 10002 Single pane of glass, 3 mm (Ref. 19) 0.08000 0.08000 0.04000 0.03000 0.03000 0.02000 0.02000 0.02000 10003 Double glazing, 2-3 mm glass, 10 mm gap (Ref. SBI/13) 0.10000 0.10000 0.07000 0.05000 0.03000 0.02000 0.02000 0.02000 10004 Double glazing, 2-3 mm glass, >30 mm gap (Ref. 19) 0.15000 0.15000 0.05000 0.03000 0.03000 0.02000 0.02000 0.02000 10005 Glass, large panes of heavy plate glass Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.18000 0.18000 0.06000 0.04000 0.03000 0.02000 0.02000 0.02000 10006 Glass, ordinary window glass Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.35000 0.35000 0.25000 0.18000 0.12000 0.07000 0.04000 0.04000 10007 Solid wooden door (Ref. 15) 0.14000 0.14000 0.10000 0.06000 0.08000 0.10000 0.10000 0.10000 10008 Canvas covering, from the danish stadium Parken (Ref. Ramboell, Denmark) 0.95000 0.90000 0.70000 0.50000 0.35000 0.25000 0.15000 0.15000 10009 Ventilation grille (approx. per sq. m.) (Ref. SBI/13) 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 0.60000 10010 Open panel. opening area 20 % Panel 10 x 80 mm. 20 mm slits. 50 mm mineralwool (Ref. Multiconsult, Norway) 0.02000 0.09991 0.39913 0.83936 0.63086 0.29891 0.11902 0.12000 10011 Open panel. opening area 30 % Panel 10 x 70 mm. 30 mm slits. 50 mm mineralwool (Ref. Multiconsult, Norway) 0.02000 0.09700 0.37047 0.79909 0.78024 0.46381 0.21758 0.22000 10012 Open panel. opening area 50 % Panel 10 x 50 mm. 50 mm slits. 50 mm mineralwool (Ref. Multiconsult, Norway) 0.02000 0.09422 0.34374 0.72978 0.89314 0.73825 0.49007 0.49000 10013 Open panel. opening area 50 % Panel 20 x 20 mm. 20 mm slits. 50 mm mineralwool (Ref. Multiconsult, Norway) 0.02000 0.09474 0.34832 0.74339 0.88101 0.68571 0.42110 0.42000 11000 Orchestra with instruments on podium , 1.5 sq.m per person (Ref. 15) 0.27000 0.27000 0.53000 0.67000 0.93000 0.87000 0.80000 0.80000 11001 Areas with audience, orchestra or choir including narrow aisles (Ref. 15) 0.60000 0.60000 0.74000 0.88000 0.96000 0.93000 0.85000 0.85000 11002 Floor with cloth-upholstered seats (Ref. 15) 0.49000 0.49000 0.66000 0.80000 0.88000 0.82000 0.70000 0.70000 11003 Audience on wooden chairs, 1 per sq. m (Ref. 20) 0.16000 0.16000 0.24000 0.56000 0.69000 0.81000 0.78000 0.78000 11004 Audience on wooden chairs, 2 per sq. m (Ref. 20) 0.24000 0.24000 0.40000 0.78000 0.98000 0.96000 0.87000 0.87000 11005 Empty chairs, upholstered with leather cover (Ref. 21) 0.40000 0.40000 0.50000 0.58000 0.61000 0.58000 0.50000 0.50000 11006 Empty chairs, upholstered with cloth cover (Ref. 21) 0.44000 0.44000 0.60000 0.77000 0.89000 0.82000 0.70000 0.70000 11007 Audience, heavily upholstered seats (Ref. 30, group 1) 0.72000 0.72000 0.80000 0.86000 0.89000 0.90000 0.90000 0.90000 11008 Audience, medium upholstered seats (Ref. 30, group 21) 0.62000 0.62000 0.72000 0.80000 0.83000 0.84000 0.85000 0.85000 11009 Audience, lightly upholstered seats (Ref. 30, group 3) 0.51000 0.51000 0.64000 0.75000 0.80000 0.82000 0.83000 0.83000 11050 Personen, im Anzug (Ref. Dalenbäck, CATT-Software) 0.15000 0.15000 0.23000 0.56000 0.78000 0.88000 0.89000 0.89000 11051 Personen, im Anzug (Ref. Dalenbäck, CATT-Software) 0.15000 0.15000 0.23000 0.61000 0.97000 0.99000 0.99000 0.99000 11052 Chairs, unoccupied moderatelly upholstered chairs (0.90 m x 0.55 m) (Ref. Dalenbäck, CATT-Software) 0.44000 0.44000 0.56000 0.67000 0.74000 0.83000 0.87000 0.87000 11053 Chairs, unoccupied average cloth-covered well upholstered areaes (seats with perforated bottoms) (Ref. Dalenbäck, CATT-Software) 0.49000 0.49000 0.66000 0.80000 0.88000 0.82000 0.70000 0.70000 11054 Chairs, upholstered concert chairs,empty (Ref. Dalenbäck, CATT-Software) 0.49000 0.49000 0.66000 0.80000 0.88000 0.82000 0.70000 0.70000 11056 Chairs, heavily upholstered concert hall chairs, average. (Ref. Dalenbäck, CATT-Software) 0.72000 0.72000 0.79000 0.83000 0.84000 0.83000 0.79000 0.79000 11057 Chairs, lightly upholstered concert hall chairs, average. (Ref. Dalenbäck, CATT-Software) 0.35000 0.35000 0.45000 0.57000 0.61000 0.59000 0.55000 0.55000 11058 Chairs, medium upholstered concert hall chairs, average. (Ref. Dalenbäck, CATT-Software) 0.56000 0.56000 0.64000 0.70000 0.72000 0.68000 0.62000 0.62000 12000 Mineral spray-on materials, 1.27 cm mineral fiber Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.05000 0.05000 0.15000 0.45000 0.70000 0.80000 0.80000 0.80000 12001 Mineral spray-on materials, 1.9 cm mineral fiber Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.10000 0.10000 0.30000 0.60000 0.90000 0.90000 0.95000 0.95000 12002 Mineral spray-on materials, 2.5 cm mineral fiber Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.16000 0.16000 0.45000 0.70000 0.90000 0.90000 0.85000 0.85000 12003 Mineral spray-on materials, 1.27 cm mineral fiber on metal lath, 2.54 cm airspace Ref. Harris:Handbook of Acoustical Measurements and Noise Control, McGraw Hill 1991 0.25000 0.25000 0.50000 0.80000 0.90000 0.90000 0.85000 0.85000 12004 50 mm mineral wool (40 kg/m3), glued to wall, untreated surface (Ref. SBI/13) 0.15000 0.15000 0.70000 0.60000 0.60000 0.85000 0.90000 0.90000 12005 50 mm mineral wool (40 kg/m3), glued to wall, surface sprayed with thin plastic solution (Ref. SBI/13) 0.15000 0.15000 0.70000 0.60000 0.60000 0.75000 0.75000 0.75000 12006 50 mm mineral wool (70 kg/m3) 300 mm in front of wall (Ref. SBI/13) 0.70000 0.70000 0.45000 0.65000 0.60000 0.75000 0.65000 0.65000 12100 (Example 12100-12199) Rockfon (href= "http://www.rockfon.com/sw2601.asp") 0.45000 0.45000 0.50000 0.55000 0.65000 0.70000 0.65000 0.65000 12200 (Example 12200 12299) Ecophon (href= "http://www.ecophon.com/") 0.15000 0.15000 0.50000 0.95000 1.00000 0.95000 0.85000 0.65000 12300 (Example 12300 12399) OWA Acoustic Harmony. Kant A C og F6 15 mm hardpresset mineralfiberplate. 200 mm utforing (href= "http://suspended-ceiling-systems.co.uk") 0.45000 0.45000 0.61000 0.64000 0.75000 0.91000 0.91000 0.91000 12400 (Example 12400 12499) USG Auratone Favia 15 mm våtpresset mineralfiberplate. 200 mm utforing (href= "http://usg.com") 0.45000 0.45000 0.60000 0.60000 0.80000 0.80000 0.65000 0.65000 12500 (Example 12500 12599) AMF Star (Thermatex) 15 mm hardly compressed mineralfiberplate(href= "http://amfceilings.co.uk") 0.34000 0.34000 0.43000 0.54000 0.67000 0.65000 0.64000 0.64000 13000 50 mm wood-wool set in mortar (Ref. SBI/13) 0.08000 0.08000 0.17000 0.35000 0.45000 0.65000 0.65000 0.65000 13001 25 mm thick wood-wool, against ceiling (Ref. Dalenbäck, CATT-Software) 0.05000 0.05000 0.21000 0.59000 0.83000 0.87000 0.91000 0.91000 13002 50 mm thick wood-wool, against ceiling (Ref. Dalenbäck, CATT-Software) 0.15000 0.15000 0.56000 0.88000 0.99000 0.99000 0.95000 0.95000 13003 100 mm thick wood-wool, against ceiling (Ref. Dalenbäck, CATT-Software) 0.58000 0.58000 0.69000 0.96000 0.97000 0.99000 0.91000 0.91000 13004 25mm thick wood-wool, 200 mm from ceiling (Ref. Dalenbäck, CATT-Software) 0.48000 0.48000 0.49000 0.70000 0.78000 0.94000 0.93000 0.93000 13005 50 mm thick wood-wool, 200 mm from ceiling (Ref. Dalenbäck, CATT-Software) 0.49000 0.49000 0.63000 0.83000 0.97000 0.99000 0.96000 0.96000 13006 100 mm thick wood-wool, 200 mm from ceiling (Ref. Dalenbäck, CATT-Software) 0.49000 0.49000 0.64000 0.89000 0.98000 0.99000 0.96000 0.96000 13100 (Example 13100-13199) Treullit Akustikk Discrete 20. Dunisil-covered backside 20 mm plate. (href= "http://www.cembrit.com") 0.02000 0.02000 0.17000 0.50000 0.65000 0.72000 0.75000 0.75000 13200 (Example 13200-13299) Trolltex Anti fire. p = 19.5 % Perforated woodfiber plate. 50 mm mineral woll matt with 135 mm cavity behind (href= "http://erhverv.lhammerich.dk/sw239.asp") 0.70000 0.70000 0.86333 0.77333 0.54333 0.21667 0.20667 0.20000 14100 (Example 14100-14199) Barrisol Microacoustics Microperforated panel 120mm cavity with 40mm min. wool (href= "http://www.barrisol.com") 0.15000 0.20000 0.57000 0.99000 0.82000 0.76000 0.70000 0.65000 14200 (Example 14200-14299) Sonogamma Modulator 250Hz slit absorper with diffusive effects, thicknes 100 mm (href= "http://www.sonogamma.com") 0.15000 0.24000 0.89000 0.37000 0.18000 0.07000 0.14000 0.14000 14300 (Example 14300-14399)Deweton acoustic plate Type A (Helmholtz-resonator), 25 mm dick, 11 kg/m^2, visual slits 4 mm wide with 34 mm distance. mineral wool behind. Montage: 24 mm laths. distance to wall 30 mm. (href= "http://www.tavapan.ch/tavapan") 0.22000 0.22000 0.72000 0.53000 0.42000 0.62000 0.55000 0.55000