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Daehyup Billytex

Noise reduction system

BILLYTEX DPU-BF-FF

Sound reducing floating floor system

Production description

BILLYTEX DPU-BF FF(Floating floor) is the sound damping floor construction for good noise reducing properties.

1. Applied 30 mm Mineral wool, 140kg/㎥ on the steel deck.
2. Applied 3 mm steel plate on the Mineral wool
3. Applied approximately 1 mm BILLYTEX BESTOFLEX(Visco-elastic)layer on the 3 mm steel plate.
4.Applied 2 mm steel plate on the Visco-elastic layer.
*Total thickness : Approx. 36 mm

Construction

•Steel Deck + 30mm Mineral wool (140 kg/m3) + 3mm Steel plate +
   1mm Visco-Elastic (BESTOFLEX) + 2mm Steel plate

Typical Application

Technical Description
Physical property
Product
Unit
Result
Note
Basis
BESTOFLEX
(Visco-elastic)
-
A two component
Polyurethane damping
compound.
Color
-
Various color
Density
g/㎤
Approx..1.3
Pot life
min
Approx. 15
at 25℃
Curing time
hours
Approx. 8~10
at 25℃
Recommended
application
Temperature
-
+5℃ - +30℃
Solid content
%
100
Solvent
-
Solvent free
Fire resistance
-
Fire resistant

Physical property
Product
Unit
Result
Note
Basis
SeaRox SL 436
(Insulation board)
-
Mineral wool
Color
-
Dark yellow
Density
kg/㎥
Approx. 140
Fire resistance
-
Non-combustible

Airborne sound insulation performance



* Measurement according to ISO 10140-2 and ISO 717-1.

Hz dB
63 31.3
80 31.8
100 29.3
125 39.7
160 41.8
200 44.6
250 48.6
315 52.8
400 54.2
500 57.3
630 58.5
800 58.8
1000 61.0
1250 63.2
1600 64.1
2000 65.0
2500 64.7
3150 65.4
4000 64.5
5000 62.1
Rw 58