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FABRIC SPECIFICATION / acoustic

Wool Serge 800

Heavy wool serge for acoustic applications, black-box stages and masking equipment.

Wool Serge 800 fabric texture

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
Order curtains Manufacturer product reference ↗

Published acoustic configurations.

Compare results & understand the tests ↗
Published absorption configurations — Wool Serge 800
FullnessWall cavityAbsorption classSAC classification*Evidence
0%100 mmClass C0.65Brochure p. 22 ↗
0%350 mmClass C0.75Brochure p. 22 ↗
50%100 mmClass B0.85Brochure p. 22 ↗
50%350 mmClass A0.95Brochure p. 22 ↗
100%100 mmClass A0.95Brochure p. 22 ↗
100%350 mmClass A1.00Brochure 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.

Source verified 2026-10-19. Check the current report and project requirements before specification.

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