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Stone wool frameless acoustic ceiling island.

Features and benefits:

  • Class A sound absorption and Class A1 fire safety.
  • Aesthetically pleasing and attractive to the visible side, with a smooth, deep matt fleece.
  • Offers high sound absorption, light reflection and light diffusion.
  • Anti-static, which helps to extend the product lifetime.
  • Enhanced durability and dirt resistance.
  • Available in a variety of shaped formats and an unlimited colour range using NCS.
  • Easy to clean with a damp cloth or vacuum cleaner.
  • Quick and easy to install; can be used along or where a traditional suspended ceiling cannot be installed.
  • Suitable for thermal mass installations with the rear surface providing high heat and light reflection.
  • Hygienic; stone wool provides no sustenance to micro-organisms.
  • Includes painted edges.
  • Can be fully recycled.


Suitable for use in the following areas:

  • Retail.
  • Education.
  • Office.
  • Leisure.

To be installed using the Rockfon® System Eclipse Island™ installation system. Not suitable for use in swimming pools or outdoors – consult manufacturer for details.

Related literature

The following content references this product:

Standard product features


40 mm.

Surface finish:

  • Visible side: Smooth, deep matt, white painted fleece (other colours are available).
  • Rear side: Back fleece.

Sound absorption:

To ISO 11654: Class A.

Reaction to fire:

  • All module types (except 2360 x 1160 mm rectangle): Class A1.
  • 2360 x 1160 mm rectangle: A2‑s1,d0.

Humidity and sag resistance:

  • Dimensionally stable, even at humidity levels of up to 100% RH.
  • No visible deflection in high humidity.

Light reflection and light diffusion (white):

  • Reflection: Visible side: 87%; rear side: 79%.
  • Diffusion: >99%.

Wet scrub resistance:

To EN ISO 11998: 2007: Class 1.


  • Vacuum: The surface can be vacuum cleaned with a soft brush attachment.
  • Damp cloth: The surface can be cleaned using a damp cloth or sponge with a slightly alkaline detergent (pH between 7 and 9) without alcohol, ammonia or chlorine (this may render the surface slightly shinier, so a thorough clean is recommended).

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-80-40/330 Mineral fibre infill units

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying





+44 (0)208 2227457

Product reference

Rockfon Eclipse® Island

Module type

800 mm or 1160 mm diameter.
1760 x 1160 mm.
1160 x 1160 mm.
1760 x 1160 mm.
1760 x 1160 mm or 2360 x 1160 mm.
1160 x 1160 mm.
1160 x 1160 mm.


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Manufacturer details

14th Floor,
Chiswick Tower,
389 Chiswick High Road,
London, W4 4AL
Tel +44 (0)208 2227457
Fax +44 (0)208 2227458
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NBS National BIM Library