SilentboxAcoustic booth manufacturer

Certificates & documentation

“Sound insulation of up to 35 dB” is not a marketing claim — it is the result of laboratory testing to ISO standards. Certificates, patents, test reports and the full documentation set in one place, for architects, facility managers and tender teams.

Material certificates
up to 35dBsound insulation · ISO 11957
3patents + EU registered design
8standards and certificates
3–10yearsstructural warranty

Certificates, standards and patents

AcousticsISO 11957Sound insulation
AcousticsISO 23351-⁠1Speech noise
SafetyCEEU safety
MaterialsRoHSSubstances
MaterialsREACHChemical safety
FireClass B1Fire safety
MaterialsClass E1Formaldehyde
PatentEUIPO RCDEU registered design
Acoustics & engineering

Verified in the laboratory

Sound insulation · ISO 11957
70dBopen-plan officeup to −35dBnoise reduction

The booth cuts open-plan noise by up to 35 dB. A conversation inside cannot be heard a metre from the booth.

Real installation

The figures above come from test reports, not a slide deck. Measured by the AGH laboratory in Kraków.

ISO 11957 · ISO 23351-⁠1

What you can download

Certificates, patents and test reports download instantly. We will email the catalogue and drawings within one working day.

Catalogue 2026 — Silentbox acoustic booths · CatalogueCatalogue

Catalogue 2026

Dimensions, specifications, standard equipment and RAL options for all 9 models.

PDF · 1 file
Download the catalogue
Drawings and CAD blocks — Silentbox acoustic booths · CAD · DWGCAD · DWG

Drawings and CAD blocks

Drawings plus floor, electrical and ventilation requirements. DWG blocks for AutoCAD and Revit.

PDF · DWG · on request

Frequently asked questions

Yes. Acoustic test reports to ISO 11957 and ISO 23351-⁠1, along with material certificates, are available on request — for tenders, architects and security teams.

It is the level of noise reduction measured to ISO 11957. In plain terms, a conversation inside the booth cannot be heard outside, and office noise barely gets in. Available levels: ~25 dB in the Lite / WorkPod series and up to 35 dB in the Premium series.

Acoustics — ISO 11957 and ISO 23351-⁠1. Safety — CE, RoHS and REACH. Fire safety — class B1. The design is protected by patents UA 147003 and 150386 and the EU registered design EUIPO RCD 015018000.

Yes. The materials comply with RoHS and REACH, the wood-based boards carry formaldehyde emission class E1, and the finishes are fire safety class B1. The booths are suitable for corporate offices, banks and government institutions.