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EXTON TNF FIRE AND ACOUSTIC SYSTEM FOR TIMBER FLOORS
CROSS SECTION THROUGH A TIMBER FLOOR
A = ACOUSTILAY 15 (15mm THICKNESS)
B = 15mm OSB OR 18mm CHIPBOARD DECK
C = 100mm ISOWOOL 1000 INSULATION
D = BRITISH GYPSUM GYPFRAME RB1 RESILIENT BAR@ 400mm CENTRES
E = 19mm GYPROC PLANK
F = 12.5mm GYPROC SOUNDBLOC OR FIRELINE
G = 235mm (DEEP) x 50mm (WIDE) TIMBER JOISTS@ 450mm CENTRES
 
TEST RESULTS
WEIGHTED AIRBORNE SOUND REDUCTION INDEX
Rw(C;Ctr) =62(-2;-8) dB
WEIGHTED NORMALIZED IMPACT SOUND PRESURE LEVEL
Lntw (C) = 29 (+7) dB
FURTHER TEST DETAILS AVAILABLE ON REQUEST
  New Build Timber (TNF001)
  Concrete Solutions (TNF002)
  Lath and Plaster (TNF003)
  New Timber Floors (TNF004)
  Existing Timber Floors (TNF005)
  Redu-Panel (FFT5)
 
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