Suitable for use in the following areas:

• Offices;
• Industry;
• Education;
• Leisure;
• Retail.

White, stone wool micro-textured surface ceiling tile with high sound absorption.

Features and benefits:

• Class A sound absorption and Class A1 fire safety (non-combustible).
• Attractive surface finish.
• Easy to clean with a vacuum or a damp cloth.
• Available in semi-concealed and visible grid options.
• Hygienic stone wool provides no sustenance to micro-organisms, tested in accordance with JIS Z 2801:2000 and ASTM C 1338-96.
• Can be fully recycled.
• Manufactured in accordance with BS EN 13964.
• Other configurations may be available – consult manufacturer for details.
• Rockfon Koral is Cradle to Cradle Certified® Silver.

Fire performance:

The fire resistant properties of stone wool ensure Rockfon ceiling tiles provide fire protection in construction.

• Tested and classified in accordance with EN 13501-2 and/ or national norms depending on requirements in national building codes.
• Some sizes and edge details of Rockfon Koral™ can be used with various Chicago Metallic grids and Rockfon systems to create a 30 and/ or 60 minutes fire protecting ceiling in accordance with BS 476 Part 21 and Part 23. They can also be used to create a 30 minutes fire protecting membrane ceiling (integrity only) in accordance with BS 476 Part 22. Consult manufacturer for details.

Humidity resistance and dimensional stability:

• Dimensionally stable, even at humidity levels of up to 100% RH.
• As the humidity inside a building has no influence on Rockfon ceiling tiles, the ceiling can be installed at all temperatures ranging from 0-40ºC. No acclimatisation is necessary.
• Retains superior properties even in infrequently heated and unheated rooms.
• Precautions should be taken to avoid condensation risks.
• In accordance with BS EN 13964, predominantly classified as class 1/C/0N. Certain module sizes are class 2/C/0N.

Light reflection:

To ISO 7724-1: 86%.

Demounting:

Rockfon tiles with A and E edge can be demounted.

Emissions:

Awarded the Finnish M1 emission classification for building materials and the Danish Indoor Climate Label for low VOC emission products.

Compatible edges, grids and systems:

• A15: Use with Chicago Metallic T15 2790 Click Grid to create Rockfon® System T15 A™.
• A24: Use with Chicago Metallic T24 2890 Click Grid to create Rockfon® System T24 A™.
• E15: Use with Chicago Metallic T15 2790 Click Grid to create Rockfon® System T15 E™.
• E24: Use with Chicago Metallic T24 2890 Click Grid to create Rockfon® System T24 E™.

Grid colour:

Other colours available from the Rockfon Color-all tile range. Consult manufacturer for details.

Cleaning:

• 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 we recommend cleaning the entire surface evenly).