Manufacturer

SCHALLSAUGER (KASPER GmbH)

SCHALLSAUGER is the acoustics product brand of KASPER GmbH in Rielasingen-Worblingen on Lake Constance. Founded in 1977, the family business manufactures printable fabric absorbers, LED-integrated acoustic panels and frameless wall and ceiling solutions on 2,500 m² of production space. The ALU LINE, FRAMELESS, LIGHTBOXX, MONO-LIT and ORION 8 product ranges cover wall, ceiling, room-divider and lighting applications. All covering fabrics (akustikTex) are certified to Öko-Tex Standard 100 and fire-tested to DIN 4102 B1 / EN 13501-1 B-s1,d0. Acoustic measurements were determined by the Fraunhofer Institute for Building Physics (IBP) to DIN EN ISO 354 (test report S 10734-Alpha, 2014).

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Schallsauger FRAMELESS BAFFLE

Name: Schallsauger FRAMELESS BAFFLE
Brand: SCHALLSAUGER (KASPER GmbH)

BAFFLE

Free-hanging

Description

SCHALLSAUGER FRAMELESS BAFFLE is a vertically suspended acoustic baffle made of thermally bonded polyester nonwoven for sound absorption in tall rooms. The C-rail mounting system allows individual baffles to be repositioned later, so the acoustic damping effect can be flexibly adapted to how the room is used. Material: SCHALLSAUGER FRAMELESS, thermally bonded nonwoven made of 100% PES staple fibres, area weight 3200 g/m², thickness 50 mm. Made 60% from recycled PET bottles, 100% recyclable, fire class C-s2,d0 per DIN EN 13501-1 / B1 per DIN 4102-1. Available in white, mottled light grey or black; lacquered in any RAL colour on request without acoustic disadvantage. Standard formats 200 × 35 cm and 100 × 35 cm. Custom sizes between 60–236 cm in width and 35–150 cm in height; maximum delivery length 235 cm. Several mounting variants: C-rail with wire-rope suspension (FLBDC) or with screw connection (FLBDC0), direct ceiling connection without rail (FLBD2), plug-in plate fastening as a cost-effective alternative (FLBDS / FLBDSC / FLBS) or Odenwald ceiling-clip adapter for grid ceilings (FLZDOWA). Axis spacing of the suspension is 0.5 × baffle width by default. Mounting hardware in black, white or light grey.

Technical data

Material: Thermally bonded polyester nonwoven (100% PES staple fibres, 60% recycled PET, 3200 g/m², 2 in thickness, without chemical additives)

Up to fire class: C-s2,d0 per EN 13501-1 / B1 per DIN 4102-1 (flame-retardant)

Application: Vertically suspended acoustic baffle for tall rooms (atrium, stairwell, open space). The C-rail mounting lets the position and spacing of the baffles be adjusted afterwards.

Certifications: Oeko-Tex Standard 100, 60% fibre content from recycled PET bottles, 100% recyclable, skin-friendly, allergy-friendly, breathable, resistant to mould growth (DIN IEC 68 Parts 2-10), without chemical additives. 5-year full warranty.

Colours: White, mottled light grey or black. Mounting hardware in black, white or light grey. Lacquered in any RAL colour on request without acoustic disadvantage.

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 2 variants

NRC

0.95

Frequency values

α_p per octave band

f (Hz)	125	250	500	1k	2k	4k
α_p	0.60	0.90	0.90	1.00	1.00	1.00

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Compare			Value
	16 in Abhang zur ceiling / Wand	Vertikal abgehängte baffle with ≥ 16 in distance to the ceiling	NRC0.95
	Kein Wand-/Deckenabstand	Direkt deckenanliegend, without Abhang	NRC0.90

NRC: 0.95 (derived from ISO 354 lab data)

Institute: Manufacturer datasheet (test laboratory not stated)

Weight / density: 3200 g/m²

Measured values as a table (2 measurements)

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Last updated: 09/16/2026