APN Startseite | Wall panels | apn Forma Free

Acoustic wall panel apn Forma Free

In addition to standard formats such as circular and rectangular, exists a whole diversity of other shapes. apn Forma Free, the acoustic wall panel in individual form, offers almost unlimited design variations.

Free in shape and size

As the name apn Forma Free already includes, you are free in shape and dimensions. Whether asymmetrical, geometric or completely individual – there are no limits to design freedom. This allows the room acoustic wall arrangement to become as customised as you want.

Individual surfaces

All colours of the RAL or NCS colour palettes are available as surface color of the wall panel apn Forma A Free. Whether brightly coloured, discreetly homogeneous or in corporate design colours – in addition to improving room acoustics, our acoustic wall panels offer individual design options. The acoustic wall panels in individual shapes, apn Forma F Free, can be covered with a wide variety of fabrics and felts.

As a special option, our wall panels can also be printed by direct printing. This turns highly absorbent sound absorbers into decorative images.


free shapes & individual dimensions.

We produce individual dimensions & tailored shapes for the acoustic wall panels – even in small quantities.

Individual surfaces.

apn Forma Free A:

acoustic fleece in RAL or NCS Code or direct printing

apn Forma Free F:

more than 150 fabrics and felts according to the color carts apn fabric collection K1-K6 (Depending on shapes)

Acoustic wall panels can be used in:

Offices, educational establishments, gastronomy & hotels, healthcare sector, production facilities

Technical specifications
Noise absorption measurement
apn F, Felt covered acoustic wall panel
Comparison between empty surface and surface pinned with 115 g/m² paper
Technical specifications
Dimensions (lxw; in mm)Standard: 2,400 x 1,200; further dimensions available on request
Sound absorption classBasic material A acc. to DIN EN ISO 354
Construction material classAbsorber board: A2-S1, d0 gem. DIN EN 13501-1
Fabrics and felts: surface-dependent
Heat conduction group035
CleaningSurface-dependent; acoustic fleece: damp wipeable; fabrics: dry wipeable
DemountabilityEasy demountability, flexible conversion possible
Interior climate Suitable for use in rooms of ISO category 6 according to DIN EN ISO 14644-1
Humidity resistanceDimensionally stable up to a relative humidity of 95 % at 30 ° C (acc. to DIN EN ISO 4611)
WeightApprox. 4.5 kg/m²
SurfacesAcoustic fleece, fabrics, felt, direct print
Special coloursAcc. to RAL or NCS code, APN fabric collections K1-K6; dircet print according to customer specification
FormatIndividual free forms possible (according to CAD template)
Surface Variants
apn A acoustic fleeceWith colour-coated surface without frame
Colour: white, similar to RAL 9003; according to RAL or NCS and direct print possible.
apn FWall panel covered with felt or fabrics;
Colour: according to APN fabric collections K1-K6