NORTEC acoustic raised floor type 3
NRC 0.50–0.65
Floor
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Manufacturer
Lindner Group
Lindner Group, Arnstorf: metal ceilings, heating and cooling ceilings, raised floors, wall and ceiling linings and the MUTE+ sound absorber line.
Documents
Description
NORTEC acoustic raised floor type 3: perforated floor panel with a qualified floor covering and acoustic fleece.
Technical data
Material: perforated raised floor panel of fibre-reinforced calcium sulphate, HF-coated on the underside
Surface: qualified, acoustically effective floor covering, WOODline possible
Fire class (EN 13501-1): A1 · Carrier board per EN 13501-1, non-combustible
Certifications: IBR test mark of the Institut für Baubiologie Rosenheim (VOC, biocides, heavy metals, radioactivity)
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 13 variants
NRC
0.65
Frequency values
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| Compare | Value | |
|---|---|---|
| Oberbelag Anker Neba Sonicwave 143 | NRC0.65 | |
| Oberbelag Vebe Strong 956 | NRC0.60 | |
| Oberbelag Anker Aera Cut Quellluft | NRC0.60 | |
| Oberbelag Anker PEP Quellluft | NRC0.60 | |
| Oberbelag Object Carpet AT-Madra 1100 Quellluft | NRC0.60 | |
| Oberbelag Toucan-T Eco Stream T-Air | NRC0.60 | |
| Oberbelag Toucan-T Eco Newcon T-Air | NRC0.60 | |
| Oberbelag Toucan-T Twyncut T-Air | NRC0.60 | |
| Oberbelag Fabromont Orbital | NRC0.55 | |
| Oberbelag Findeisen Finett Select | NRC0.55 | |
| Oberbelag Fizbabrik Fulda Fit | NRC0.55 | |
| Oberbelag Anker Aera Structure Element EVA Klimafliese | NRC0.50 | |
| Oberbelag Anker Aera Element EVA Klimafliese | NRC0.50 |
NRC: 0.65 (derived from ISO 354 lab data)
Perforation: perforated floor panel, qualified floor covering, acoustic fleece
Test setup: Oberbelag Anker Neba Sonicwave 143
Measured values as a table (13 measurements)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Fabromont Orbital | 0.55 | 0.54 | 0.56 | 0.60 | 0.59 | 0.58 | 0.54 | 0.56 | 0.51 | 0.46 | 0.42 | 0.46 | 0.46 | 0.50 | 0.58 | 0.66 | 0.73 | 0.68 | 0.73 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Vebe Strong 956 | 0.60 | 0.61 | 0.61 | 0.66 | 0.68 | 0.65 | 0.65 | 0.66 | 0.60 | 0.54 | 0.50 | 0.53 | 0.56 | 0.57 | 0.65 | 0.74 | 0.83 | 0.85 | 0.79 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Anker Aera Cut Quellluft | 0.60 | 0.34 | 0.57 | 0.51 | 0.53 | 0.67 | 0.63 | 0.66 | 0.60 | 0.53 | 0.49 | 0.51 | 0.51 | 0.53 | 0.55 | 0.66 | 0.74 | 0.65 | 0.59 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Anker Aera Structure Element EVA Klimafliese | 0.50 | 0.26 | 0.30 | 0.39 | 0.49 | 0.52 | 0.51 | 0.52 | 0.46 | 0.39 | 0.38 | 0.44 | 0.42 | 0.46 | 0.50 | 0.58 | 0.59 | 0.55 | 0.64 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Anker Aera Element EVA Klimafliese | 0.50 | 0.26 | 0.31 | 0.40 | 0.49 | 0.52 | 0.51 | 0.52 | 0.46 | 0.39 | 0.37 | 0.43 | 0.42 | 0.45 | 0.49 | 0.56 | 0.56 | 0.52 | 0.62 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Anker Neba Sonicwave 143 | 0.65 | 0.37 | 0.53 | 0.48 | 0.48 | 0.61 | 0.57 | 0.60 | 0.54 | 0.51 | 0.53 | 0.60 | 0.66 | 0.77 | 0.83 | 0.79 | 0.71 | 0.61 | 0.57 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Anker PEP Quellluft | 0.60 | 0.39 | 0.53 | 0.51 | 0.54 | 0.67 | 0.64 | 0.66 | 0.60 | 0.53 | 0.50 | 0.52 | 0.52 | 0.53 | 0.56 | 0.67 | 0.75 | 0.65 | 0.60 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Findeisen Finett Select | 0.55 | 0.27 | 0.34 | 0.43 | 0.52 | 0.55 | 0.57 | 0.56 | 0.55 | 0.48 | 0.44 | 0.50 | 0.48 | 0.52 | 0.58 | 0.64 | 0.75 | 0.74 | 0.79 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Fizbabrik Fulda Fit | 0.55 | 0.68 | 0.74 | 0.74 | 0.74 | 0.64 | 0.66 | 0.61 | 0.56 | 0.49 | 0.45 | 0.48 | 0.46 | 0.48 | 0.51 | 0.59 | 0.72 | 0.78 | 0.63 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Object Carpet AT-Madra 1100 Quellluft | 0.60 | 0.51 | 0.53 | 0.60 | 0.60 | 0.61 | 0.60 | 0.64 | 0.55 | 0.54 | 0.47 | 0.55 | 0.56 | 0.60 | 0.71 | 0.76 | 0.81 | 0.82 | 0.90 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Toucan-T Eco Stream T-Air | 0.60 | 0.47 | 0.54 | 0.58 | 0.59 | 0.60 | 0.66 | 0.60 | 0.55 | 0.50 | 0.50 | 0.51 | 0.56 | 0.62 | 0.71 | 0.84 | 0.90 | 0.92 | 0.95 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Toucan-T Eco Newcon T-Air | 0.60 | 0.46 | 0.53 | 0.59 | 0.56 | 0.60 | 0.63 | 0.60 | 0.55 | 0.51 | 0.48 | 0.53 | 0.56 | 0.64 | 0.73 | 0.84 | 0.88 | 0.90 | 0.93 |
| perforated floor panel, qualified floor covering, acoustic fleece · Oberbelag Toucan-T Twyncut T-Air | 0.60 | 0.48 | 0.51 | 0.60 | 0.58 | 0.61 | 0.67 | 0.62 | 0.57 | 0.54 | 0.51 | 0.55 | 0.61 | 0.67 | 0.73 | 0.82 | 0.84 | 0.79 | 0.75 |
Measured values as a table (13 measurements)
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