Acoustic performance of doorsets – tested in accordance with BS EN ISO 10140-2: 2010 Test specimen installed by: Lorient Testing & Technical Services Test room temperature: 16.9 o C Test room static pressure: 995 hpa Test room relative humidity: 54% Area S of test element: 4.40m 2 Source room volume: 68.40m 3 Receiving room volume: 50.00m 3 Sample mass per unit area: 29.85kg/m 2 44mm Blankfort 30 Plus pair of doors in a hardwood frame. LAS7003si to jamb and head stops. Two rows of LAS1011 to meeting stile (both rows bypassing latch). LAS8001si fitted to the threshold of both doors. LAS4002 threshold plate fitted full width under both doors. Test Date: 06/02/2014 Test Number: 140206 004 Sound reduction index (R) dB Curve of reference values (EN ISO 717-1:1996) Frequency f Hz 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 R 1/3 Octave dB 24.3 26.5 17.7 27.4 29.1 30.7 32.3 31.7 31.3 32.3 31.9 27.1 28.1 29.6 32.0 34.6 35.9 36.3 36.3 36.9 39.4 Rating according to ISO 717-1 R w (C;C tr ) = 33 ( -1; -2) dB C 50-3150 = -1 dB; C 50-5000 = -1 dB; C 100-5000 = 0 dB; C tr,50-3150 = -3 dB; C tr,50-5000 = -3 dB; C tr,100-5000 = -2 dB; Evaluation based on laboratory measurement results obtained in one-third-octave bands by an engineering method 63 125 250 500 1000 2000 4000 Frequency f, Hz 10 20 30 40 50 60 70 Sound Reduction Index R, dB COPYRIGHT