Manufacturer

Natural Acoustic

Natural Acoustic is a Tyrolean manufacturer of sound absorbers made from natural fibres, based in Mutters near Innsbruck. The main materials are sheep's wool, hemp, flax and wood fibre. The company provides reverberation measurement, planning and installation from a single source. The range includes acoustic panels, ceiling rafts and baffles made from hemp, hemp absorbers with flax fleece, sheep's wool and wood fibre absorbers, and the FRAMY frame absorbers for use as wall absorbers, room dividers or partitions. It also covers bass traps, wool room dividers, acoustic pictures and meeting pods. Areas of use are offices, hotels, restaurants and public buildings.

All products by this manufacturer Manufacturer website

Documents

Certificate (SHI)Product datasheet

FRAMY

Name: FRAMY
Brand: Natural Acoustic

Natural Acoustic FRAMY

WallCeilingFreestandingFree-hanging

Description

Frame absorber for walls, ceilings and open space: as a wall absorber, hanging or standing room divider and for zoning workstations. The cover can be removed and re-stretched via a strip system.

Technical data

Material: Solid ash frame profile (FSC and PEFC certified), natural or colour-lacquered; with one-sided covering a back panel of 0.12 in hardboard, optionally flame-retardant B-s1,d0

Surface: Pure new wool (100 %) or wool with flax (75/25 %), covered on one or both sides; pinnable; covers available with flame-retardant finish to BS 7176 (medium hazard)

Up to fire class: E (EN 13501-1) for the absorber core

Certifications: SHI product passport 15341-10-1001, tested for pollutants, QNG-ready; cover fabrics with EU Ecolabel and Indoor Air Quality Certified

Colours: More than 100 cover colours; frame natural or in a RAL colour from 5 pieces

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)

NRC

1.00

Frequency values

α_p per octave band

f (Hz)	125	250	500	1k	2k	4k
α_p	0.35	0.85	1.00	1.00	0.95	1.00

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Size	Gap / cavity	Value
2.6 in	0 in (direct mounting)	NRC1.00

NRC: 1.00 (derived from ISO 354 lab data)

Institute: Acoustics laboratory of Fuchs Raumingenieure, Nuremberg

Measurement date: 08/27/2024

Room volume: 13,829 cu ft

Object area: 133 sq ft

Measured values as a table (1 measurement)

FRAMY: 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
2.6 in · 0 in (direct mounting)	1.00	0.18	0.33	0.50	0.63	0.92	0.98	1.07	1.10	1.12	1.07	1.05	0.98	0.94	0.96	0.99	1.01	1.00	0.99

Measured values as a table (1 measurement)

Access frequency bands, variants and export. Create a permanent free account

Last updated: 09/24/2026

Calculate reverberation time with this product