Soundstop - Acoustic Data

Sound Reduction Index (Rw)

Tested in accordance with BS 2750 (part 3) 1980 (BS EN ISO 140-3). Weighted sound reduction index (Rw) ranges from 31-34dB. Rated according to BS 5821 (Part 1) 1984 (BS EN ISO 717-1). Test carried out at University of Salford Department of Applied Acoustics. Date of Test 20/11/89 Test ref no: 89/11/17

 

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Suspended Ceiling Normalised Weighted Sound Level Difference (Dncw)

Tests carried out at The Building Test Centre, East Leake. Date of test 13.9.95 Test reference No. BTC 2869A. Tested in accordance with BS EN 140-9 1994. Room to room normalised weighted sound level difference (Dncw) ranges from 46-47dB. Rated according to BS 5821 (Part 1) 1984 (BS EN ISO717-1)

 

 

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