Product Summary

Rockfon® Koral is a lightly textured stone wool acoustic ceiling tile known for its good sound absorption with an NRC of .85. This acoustic tile also has high fire performance and light reflectance qualities. Rockfon® Koral is most often used in open plan offices, classrooms, department stores, kitchens, food processing plants, bathrooms, and corridors.

We are capable of distributing Rockfon® Koral acoustic ceiling tiles throughout New England. Our locations in NH, CT and MA make it convenient for our clients to get their materials quickly and easily with our extensive fleet of boom trucks, box trucks and flat beds.

Features and Benefits

  • Lightly-textured white surface
  • Good sound absorption (NRC = 0.85)
  • High fire performance
  • High light reflectance (LR = 0.86)
  • Available in square lay-in and tegular

Fire Performance

UL723 (ASTM E84) Flame Spread Index: 0
Smoke Developed Index (UL Labeled): 5

CAN/ULC S102 Flame Spread Index: 5
Smoke Developed Index: 0

ASTM E1264 Classification

Type XX – Stone wool base with membrane-faced overlay, Pattern E


  • Open Plan Office
  • Classroom
  • Department Stores
  • Kitchen/Canteen
  • Food Processing Plants
  • Wet Room/Toilet
  • Corridor


Stone wool (Mineral Wool) ceiling tiles with factory painted glass scrim surface

Hygienic Properties

Stone wool provides no sustenance to microorganisms


Fully recyclable

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