BASWA Core

Name: BASWA Core
Brand: BASWA acoustic AG

NRC 0.55–0.75

CeilingWall

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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.

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Documents

LEED documentation Fire behaviour BASWA Core Product datasheet BASWA Core (EN)Planning documents BASWA Core (EN)Emissions test Indoor Air Comfort GOLD

Description

BASWA Core is a seamless acoustic system for ceilings and walls with concrete core activation. Heat-conducting aluminum profiles with sound-absorbing mineral fiber inlays are fixed to the thermally activated concrete, filled and coated in two layers of microporous plaster. The profiles conduct heat between room and concrete, so the activated element keeps heating and cooling the room while the surface absorbs sound. For buildings with thermally activated ceilings or walls, such as offices, schools, healthcare, retail and industrial buildings and housing, on horizontal, inclined and vertical surfaces and on single concave curves.

Technical data

Material: Heat-conducting aluminum profiles with mineral fibers, U-value up to 4.78 W/(m²·K)

Surface: Grain size 0.01 to 0.03 in, surface quality Q2 to Q3

Fire class (EN 13501-1): A2-s1,d0

Certifications: Indoor Air Comfort GOLD, VOC class A+, LEED compliant

Colours: Standard color NCS S 0500-N; unlimited choice of colors

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 6 variants

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NRC

0.65

Frequency values

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Compare		Value
	Classic Base	NRC0.65
	Classic Fine	NRC0.65
	Classic Top	NRC0.55

NRC: 0.65 (derived from ISO 354 lab data)

Institute: Pirmin Jung, Rain (CH)

Measurement date: 11/21/2017

Room volume: 7,487 cu ft

Object area: 129 sq ft

Distance: Directly on the substrate, no cavity

Surface: Classic Base

Measured values as a table (6 measurements)

BASWA Core: sound absorption coefficient αs per ISO 354 by frequency and test build-up
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
1.2 in · Directly on the substrate, no cavity · Classic Base	0.65	0.05	0.06	0.17	0.26	0.33	0.49	0.57	0.66	0.75	0.80	0.85	0.81	0.79	0.74	0.68	0.61	0.51	0.40
2 in · Directly on the substrate, no cavity · Classic Base	0.75	0.25	0.32	0.41	0.53	0.66	0.78	0.82	0.81	0.81	0.77	0.80	0.75	0.75	0.72	0.73	0.71	0.57	0.63
1.2 in · Directly on the substrate, no cavity · Classic Fine	0.65	0.06	0.07	0.19	0.29	0.38	0.55	0.59	0.73	0.75	0.78	0.82	0.80	0.73	0.73	0.66	0.56	0.51	0.42
2 in · Directly on the substrate, no cavity · Classic Fine	0.75	0.23	0.43	0.42	0.45	0.68	0.79	0.85	0.83	0.87	0.84	0.82	0.79	0.77	0.74	0.73	0.71	0.70	0.62
1.2 in · Directly on the substrate, no cavity · Classic Top	0.55	0.10	0.13	0.20	0.31	0.41	0.51	0.59	0.62	0.62	0.69	0.67	0.63	0.59	0.59	0.51	0.49	0.46	0.39
2 in · Directly on the substrate, no cavity · Classic Top	0.75	0.32	0.43	0.52	0.59	0.68	0.78	0.79	0.81	0.76	0.77	0.76	0.78	0.70	0.71	0.69	0.64	0.63	0.60

Measured values as a table (6 measurements)

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Last updated: 11/03/2026

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