FABRIC SPECIFICATION / acoustic
Wool Serge 800
Heavy wool serge for acoustic applications, black-box stages and masking equipment.

Manufacturer texture image. Colours on screen are indicative.
J&C JOEL · WS022
- Fabric width
- 150cm / 59"
- Fabric weight
- 800gsm
- Composition
- See manufacturer data pack
- FR durability
- IFR
- Listed fire certifications
- BS5867
- Thickness
- 2.10mm
Published acoustic configurations.
Compare results & understand the tests ↗| Fullness | Wall cavity | Absorption class | SAC classification* | Evidence |
|---|---|---|---|---|
| 0% | 100 mm | Class C | 0.65 | Brochure p. 22 ↗ |
| 0% | 350 mm | Class C | 0.75 | Brochure p. 22 ↗ |
| 50% | 100 mm | Class B | 0.85 | Brochure p. 22 ↗ |
| 50% | 350 mm | Class A | 0.95 | Brochure p. 22 ↗ |
| 100% | 100 mm | Class A | 0.95 | Brochure p. 22 ↗ |
| 100% | 350 mm | Class A | 1.00 | Brochure p. 22 ↗ |
*Manufacturer’s “SAC classification” label. These configuration-specific figures are not frequency-band coefficients, noise-reduction percentages or sound-insulation ratings. Original test reports should be checked for the intended installation.
Technical documents.
Wool Serge 800 — Data packdata pack · PDF ↗JCJ FR Cert Wool Serge 800 BS5867fire report · PDF ↗Acoustic Solutions Brochure (Wool Serge 800: page 22)acoustic brochure · PDF ↗
Source verified 2026-10-19. Check the current report and project requirements before specification.
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