Certificate Sound reduction of building elements

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1 Certificate Sound reduction of building elements Test report Z01b * ) Applicant GLAVERBEL GROUP Chaussée de la Hulpe 166 B Brussels Specimen Monolithic glazing Foundation EN : Laboratory measurements of airborne sound insulation of building elements EN ISO : Acoustics Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound reduction Similar to DIN EN and DIN EN ISO Name 33.2 Stratophone Size (B x H) 1230 mm x 1480 mm Construction 3 Float / 0,76 acoustic PVB / 3 Float Gas Filling Area-related mass 16,5 kg/m² Specials -/- Purpose This test report prove the sound reduction for a building element. Weighted sound reduction index R W Validity The values given in this test report are only valid for the tested specimen described. General conclusions for the construction and other functional details may not be drawn from this test report. Spectrum adaption terms C and C tr R w (C; C tr ) = 36 (0; -3) db Information for use Regulations for the use of test reports are given in the enclosed information sheet Conditions and information for use of ift test reports for publication and commercial purposes. LSW GmbH Rosenheim July 29 th 2004 Prof. Fritz Holtz Laboratory senior Dipl. Ing. (FH) Andreas Preuss Expert Contents This test report includes 5 pages 1 Test specimen 2 Test procedure 3 Test results Data sheet (1 page)

2 Page 2 of 5 1 Test specimen 1.1 Description Cast resin laminate glass Manufacturer* Is known to the institute, is not named in this test report Date of Fabrication* 3 rd week 2004 Name 33.2 Stratophone Size (B x H) 1230 mm 1480 mm Visible size (B x H) 1230 mm 1480 mm Total thickness at Boundary 7,0 mm at Center 7,0 mm Area related mass 16,5 kg/m² Construction 3 Float / 0,76 acoustic PVB / 3 Float Temperature 20 C Spacer* Material / Manufacturer none Siccative* typ / Manufacturer Seal of Spacer* outside inside Gas Filling Gas Grade of Filling The description is based on the documentation of LSW GmbH. Numbers and names of material are given by the applicant (Other data from applicant are marked with * ). 1.2 Mounting of the test specimen - Mounted into the test opening according to EN ISO : The pane is mounted into a timber frame of 25 mm 25 mm with distance of 5 mm - The distance to the frame and the test opening is filled with plastic sealant type Perennator 2001 S grey.

3 Page 3 of 5 2 Test procedure 2.1 Specimen collection Production of the specimens in the necessary dimensions by the applicant. Quantity 1 Supply Registry No Z01 March 8 th 2004 by applicant 2.2 Procedure Technical basics EN : EN ISO : boundary conditions Deviation Test noise Test of reverberationtime Equation A Soundleveldifference Equation R Acoustic - Measurement of sound insulation in buildings and of building elements part 3: Laboratory measurements of airborne sound insulation of building elements Acoustics Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound reduction Up to the standard No deviation to the standard test procedure Pink noise Means: 2 tests on 2 loudspeaker and 2 circulating microphones V A = 0,16 m² T 2 loudspeakerpositions and 2 microphones moved on circulating paths S = L1 L + 10 lg in db A R 2 Legend A equivalent absorption area in m² L 1 Soundpressurelevel sourceroom in db L 2 Soundpressurelevel receivingroom in db R Sound reduction index in db T Reverberation time in s V Volume of receiving room in m³ S Testing area of the specimen in m²

4 Page 4 of Equipment The measurement was carried out using the following equipment: Apparatus Type Producer Integrating measurement device Type Nortronic 830 Norsonic-Tippkemper Microphone-preamplifier Type 1201 Norsonic-Tippkemper Microphone Type 1220 Norsonic-Tippkemper Calibrator Type 1251 Norsonic-Tippkemper Loudspeaker dodecahedron custom made LSW GmbH Amplifier Type E120, 100 W FG Elektronik Rotating microphone Type 212 / N Norsonic-Tippkemper 2.4 Execution of the test Date March 11 th 2004 Offical in Charge Dipl.-Ing. (FH) Andreas Preuss 3 Test results The values of the measured airborne sound reduction index of the tested element are drawnup in the diagram of the annexed data sheet as a function of the frequency and are given in a table. According to EN ISO 717-1: the weighted sound reduction index R w and the spectrum adaption terms C and C tr for the frequency range from 100 Hz to 3150 Hz were calculated as follows: R w (C;C tr ) = 36 (0; -3) db According to EN ISO following spectrum adaption terms were calculated: C = 0 db C = 0 db C = 0 db C tr, = -3 db C tr, = -3 db C tr, = -3 db LSW GmbH Rosenheim July 29 th 2004

5 S ound re d u c tion inde x a cc o rd ing to E N Labo ra to ry m ea s u re m en ts o f a irbo rn e s ound in s u la tio n o f bu ild in g e le m en ts A pp lic an t G L AVE R BE L G R O U P, B B ru ss e ls S pe c im en S y s te m M o n o lith ic g la z in g 33.2 S tra tophone C on s tr u c tion o S o lid P ane f t h e s p e c im e n S iz e 1230 m m mm C on s tru c tion A rea -r e la ted m a ss 16,5 k g /m T e m pe ra tu re 3 F loa t / 0,76 a c u s tic PVB 3 F loa t 20 C 2 D a te o f the te s t M a rc h 11 th T e s t ope n ing 1,25 m x 1,50 m = 1,8 8 m Labo ra to ry pa rtitio n w a ll T e s t no is e T w o lea f c o n c re te w a ll P in k no is e V o lu m e s o f th e T e s t roo m s V S = 101,0 m V E = 67,5 m M a x im u m s ou n d re du c tion R w,m a x = 62 d B (r e la te d to the te s t a re a ) M oun ting c o nd itio n s S pe c im e n m o un te d in th e te s t o p en ing a nd h o ld b y w ooden ro d s (25 m m 2 5 m m ); s e a led w ith p la s tic s ea lan t C lim a te in th e te s t ro o m s 20 C / 30 % R FF f in H z R i n d B 41,9 28,7 26,0 26,3 23,6 27,5 27,4 28,9 29,2 30,3 32,2 34,5 36,1 37,4 38,2 38,8 39,2 39,6 39,3 41,1 Sound reduction index R in db s h ifted c u rv e o f re fe ren c e v a lu e s (IS O ) T e s t c u rv e F requen c y ra n ge a cc o rd in g to E N IS O , F re q uen c y f in H z E v a lua tion a cc o rd in g to E N IS O (in 1 /3 rd o c ta v e band s ): R w (C ;C tr ) = 36 (0 ; - 3 ) d B C = 0 d B ; C = 0 d B ; C = 0 d B C tr, = -3 d B ; C tr, = -3 d B ; C tr, = -3 d B T e s t repo rt N o.: Z 01 b L S W G m b H R o s enhe im, J u ly 29 th 2004 T e l ; fa x Labo ra to ry s en io r P ro f. F ritz H o ltz

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