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, 50 mm 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

ISO 354 – reverberation chamber· 2 variants

α_w

1.00

Frequency values

α_p per ISO 11654

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
	400 mm Abhang zur ceiling / Wand	Vertikal abgehängte baffle with ≥ 400 mm distance to the ceiling	α_w1.00
	Kein Wand-/Deckenabstand	Direkt deckenanliegend, without Abhang	α_w0.90

Absorber class: A

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: 16/09/2026