Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
04/2012
The following measurements with regard to acoustic performance were performed by the European accredited body TU Graz - Technical University of Graz – and contain following tested
components:
I.
II.
III.
Floor structures
Wall structures 120mm
Wall structures 100mm
Customer:
Stora Enso Wood Products GmbH
AT-3531 Brand 44
Date of contract: 07.05.2011
Project number: B12.152.001.310 to B12.156.020.313
Period of testing: May - June 2012
The tests were performed according to following international standards:
Rw according to ÖNORM EN ISO 10140-2,
assessment according to ÖNORM EN ISO 717-1
Ln according to ÖNORM EN ISO 10140-3,
assessment according to ÖNORM EN ISO 717-2
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
I.
Floor structures
1. Floor_01
Building components:
140mm CLT 140 NVI L5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 36 (-1;-5) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 88 (-5) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
2. Floor_02
Building components:
70mm
0,2mm
30mm
50mm
50mm
0,2mm
18mm
140mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
fill (grain size 3/5); 1650kg/m³
walkway pad (Frühwald); 2320kg/m³
trickling protection
soft fiberboard (Gutex); 250 kg/m³
CLT 140 NVI L5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 61 (-1;-5) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 41 (1) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
3. Floor _03
Building components:
70mm
0,2mm
30mm
50mm
50mm
0,2mm
18mm
140mm
3mm
70mm
15mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
fill (grain size 3/5); 1650kg/m³
walkway pad (Frühwald); 2320kg/m³
trickling protection
soft fiberboard (Gutex); 250 kg/m³
CLT 140 NVI L5s
Rigips sealing tape (compressed)
Knauf CD profiles (60/27/0.6) mounted on
Knauf resilient clips (Art. Nr. 91442040),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Knauf gypsum plaster fire protection board; 801,8kg/m³
Weighted Sound Reduction Index:
Rw (C;Ctr) = 63 (-2;-5) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 36 (3) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
4. Floor _04
Building components:
70mm
0,2mm
30mm
50mm
140mm
3mm
70mm
15mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
fill (grain size 3/5); 1650kg/m³
CLT 140 NVI L5s
Rigips sealing tape (compressed)
Knauf CD profiles (60/27/0.6) mounted on
Knauf resilient clips (Art. Nr. 91442040),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Knauf gypsum plaster fire protection board; 801,8kg/m³
Weighted Sound Reduction Index:
Rw (C;Ctr) = 63 (-2;-6) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 46 (1) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
5. Floor _05
Building components:
70mm
0,2mm
30mm
50mm
140mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
fill (grain size 3/5); 1650kg/m³
CLT 140 NVI L5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 62 (-2;-6) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 50 (-1) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
6. Floor _06
Building components:
70mm
0,2mm
30mm
50mm
20mm
140mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
fill (grain size 3/5); 1650kg/m³
impact sound absorbing subflooring (ISOVER TDPS 20); 69kg/m³
CLT 140 NVI L5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 61 (-2;-5) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 49 (1) dB
04/2012
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
7. Floor _07
Building components:
70mm
0,2mm
30mm
100mm
140mm
cement screed (E225 Baumit); 2210kg/m³
plastic separation layer
impact sound absorbing subflooring (ISOVER TDPS 30); 72kg/m³
latex-bound fill (grain size 3/5); 1650kg/m³
Latex-binder: K102 Dispresion / Köhnke (6kg K102 per ~200 liters fill)
CLT 140 NVI L5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 63 (-2;-5) dB
Weighted Normalised Impact Sound Pressure Level:
Ln,w(Cl) = 43 (-3) dB
04/2012
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
II.
Wall structures 120mm
1. Wall_120mm_01
Building components:
120mm
CLT 120 NVI C5s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 36 (-1;-4) dB
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
2. Wall _120mm_02
Building components:
120mm
35mm
10mm
CLT 120 NVI C5s
clay board (real thickness ~33mm); ~1043kg/m³
clay plaster with inserted
fiberglass netting (Procera 6 x 6mm mesh size, d= 0,6mm)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 47 (-1;-5) dB
measurement 160 hours after applying the clay plaster
Rw (C;Ctr) = 48 (-1;-4) dB
measurement 40 hours after applying the clay plaster
04/2012
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
3. Wall _120mm_03
Building components:
5mm
200mm
120mm
35mm
10mm
Röfix Unistar adhesive and reinforcing mortar with Röfix reinforcing matting P 50 (d=0,5mm,
mesh size 5 x 5mm)
Stone wool plaster baseboard (Knauf, PTP-S-035; ~121kg/m³)
CLT 120 NVI C5s
clay board (real thickness ~33mm); ~1043kg/m³
clay plaster with inserted
fiberglass netting (Procera 6 x 6mm mesh size, d= 0,6mm)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 48 (-3;-8) dB
measurement 44 hours after applying the reinforcing mortar
Rw (C;Ctr) = 48 (-3;-9) dB
measurement 27 hours after applying the reinforcing mortar
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
4. Wall _120mm_04
Building components:
20mm
27mm
0,4mm
100mm
100mm
120mm
35mm
10mm
larch wood external wall cladding; ~536kg/m³
wooden battens; ~640kg/m³; e~880mm
STRATO Vapour-permeable membrane W-FS
wooden battens (~542kg/m³), the space between is filled with Insulation material (FDPL-10;
~25kg/m³)
wooden battens (~542kg/m³), the space between is filled with Insulation material (FDPL-10;
~25kg/m³)
CLT 120 NVI C5s
clay board (real thickness ~33mm); ~1043kg/m³
clay plaster with inserted
fiberglass netting (Procera 6 x 6mm mesh size, d= 0,6mm)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 54 (-2;-7) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
Wall structures 100mm
1. Wall _100mm_01
Building components:
100mm
CLT 100 NVI C3s
Weighted Sound Reduction Index:
Rw (C;Ctr) = 34 (-1;-3) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
2. Wall _100mm_02
Building components:
100mm
12,5mm
CLT 100 NVI C3s
Rigips gypsum plaster fire protection board; 816kg/m³
Weighted Sound Reduction Index:
Rw (C;Ctr) = 37 (-1;-3) dB
Acoustic performance tests on CLT
STORA ENSO BUILDING SOLUTIONS
04/2012
3. Wall _100mm_03
Building components:
12,5mm
100mm
12,5mm
Rigips gypsum plaster fire protection board; 816kg/m³
CLT 100 NVI C3s
Rigips gypsum plaster fire protection board; 816kg/m³
Weighted Sound Reduction Index:
Rw (C;Ctr) = 37 (-1;-3) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
4. Wall _100mm_04
Building components:
100mm
27mm
12,5mm
CLT 100 NVI C3s
Knauf spring profile (Federschiene - 60/27/0.6), the space between is filled
with Insulation material (ISOVER TF 50, compressed) ~16kg/m³
Rigips gypsum plaster fire protection board; 816kg/m³
Weighted Sound Reduction Index:
Rw (C;Ctr) = 48 (-5;-12) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
5. Wall _100mm_05
Building components:
100mm
3mm
50mm
12,5mm
CLT 100 NVI C3s
Rigips sealing tape PE
wooden battens (50/60mm, ~388kg/m³) mounted on resilient clips,
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Rigips gypsum plaster fire protection board (~816kg/m³)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 51 (-2;-8) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
6. Wall _100mm_06
Building components:
100mm
50mm
12,5mm
CLT 100 NVI C3s
wooden battens (50/60mm, ~388kg/m³),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Rigips gypsum plaster fire protection board (~816kg/m³)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 45 (-1;-5) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
7. Wall _100mm_07
Building components:
12,5mm
100mm
50mm
12,5mm
Rigips gypsum plaster fire protection board (~816kg/m³)
CLT 100 NVI C3s
wooden battens (50/60mm, ~388kg/m³),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Rigips gypsum plaster fire protection board (~816kg/m³)
Weighted Sound Reduction Index:
Rw (C;Ctr) = 46 (-2;-6) dB
Acoustic performance tests on CLT
04/2012
STORA ENSO BUILDING SOLUTIONS
8. Wall _100mm_08
Building components:
12,5mm
50mm
100mm
50mm
12,5mm
Rigips gypsum plaster fire protection board (~816kg/m³)
wooden battens (50/60mm, ~388kg/m³),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
CLT 100 NVI C3s
wooden battens (50/60mm, ~388kg/m³),
the space between is filled with Insulation material (ISOVER Rollino 5/60; 16kg/m³)
Rigips gypsum plaster fire protection board (~816kg/m³)
Weighted Sound Reduction Index:
NK_2012.07.19
Rw (C;Ctr) = 50 (-3;-10) dB