BASWA DTG
αw 0.70–0.90Absorber classes A–C
Manufacturer
BASWA acoustic AG
BASWA acoustic AG, Marmorweg 10, 6283 Baldegg (Canton of Lucerne), Switzerland, has been making seamless acoustic systems for more than 30 years, with production in Baldegg. Its subsidiary BASWA acoustic Deutschland GmbH is based in Düsseldorf; in North America the systems are supplied through BASWA acoustic North America in Cleveland, Ohio, and worldwide through partners. Acoustic panels are bonded or fixed and coated with microporous plasters made with marble sand, so the finished ceiling or wall looks like plaster. The system families are BASWA Phon (glass wool panel), BASWA Natural (hemp fiber panel), BASWA Basic (panel of expanded recycled glass granulate), BASWA Cool (with integrated capillary tubes for heating and cooling), BASWA Core (for concrete core activation) and BASWA DTG (fixed directly to a metal grid), with the finishes Base, Fine and Top as well as Casual and One. The systems are installed only by applicators trained and certified by BASWA, and a cleaning, repair and renovation concept covers the surfaces.
Description
BASWA DTG is a seamless acoustic plaster system for suspended ceilings that is screwed directly to the metal grid, without a plasterboard layer (direct to grid). Mineral wool acoustic panels with an airtight backing are bonded together at the edges and coated in two layers, a BASWA Prime base coat and a finish coat of choice. For suspended ceilings indoors, including humid rooms and barrel vaults, and for walls above the zone at risk of impact.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
Frequency values
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| Compare | Value | ||
|---|---|---|---|
| Suspension 200 mm | Prime Base | αw0.90 | |
| Suspension 200 mm | Prime Fine | αw0.80 | |
| 200 mm air gap | Prime Top | αw0.70 | |
| 200 mm air gap | Prime Casual | αw0.70 |
Absorber class: A
Test report: 80947-SRL-RP-XT-012-P1
Institute: Sound Research Laboratories, Sudbury (UK)
Measurement date: 07/03/2023
Room volume: 300.1 m³
Object area: 10.8 m²
Surface: Prime Base
Measured values as a table (4 measurements)
| Build-up | αw | Absorber class | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 mm · Suspension 200 mm · Prime Base | 0.90 | A | 0.43 | 0.52 | 0.61 | 0.62 | 0.71 | 0.84 | 0.88 | 0.92 | 0.79 | 0.92 | 0.94 | 0.95 | 0.94 | 0.90 | 0.88 | 0.92 | 0.89 | 0.85 |
| 40 mm · Suspension 200 mm · Prime Fine | 0.80 | B | 0.32 | 0.46 | 0.40 | 0.52 | 0.58 | 0.61 | 0.71 | 0.73 | 0.74 | 0.79 | 0.85 | 0.84 | 0.84 | 0.82 | 0.79 | 0.76 | 0.71 | 0.63 |
| 40 mm · 200 mm air gap · Prime Top | 0.70 | C | 0.38 | 0.17 | 0.39 | 0.47 | 0.49 | 0.56 | 0.63 | 0.65 | 0.69 | 0.72 | 0.80 | 0.75 | 0.73 | 0.73 | 0.70 | 0.71 | 0.65 | 0.62 |
| 40 mm · 200 mm air gap · Prime Casual | 0.70 | C | 0.43 | 0.21 | 0.40 | 0.51 | 0.53 | 0.61 | 0.66 | 0.69 | 0.72 | 0.74 | 0.85 | 0.74 | 0.67 | 0.67 | 0.62 | 0.58 | 0.53 | 0.51 |
Measured values as a table (4 measurements)
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Calculate reverberation time with this product
Building acoustics dataΔLw 11 dB · 2 measurements
Impact sound improvement ΔLw· 1 variant
EN ISO 10140-3 / ISO 717-2
| Compare | Build-up | ΔLw |
|---|---|---|
| On 140 mm reinforced concrete slab | 11dB |
Caveat from the test record
Flanking insulation Dn,f,w· 1 variant
EN ISO 10848
| Compare | Build-up | Dn,f,w |
|---|---|---|
| BASWA DTG acoustic system | 39dB |
Caveat from the test record