Product Summary

Rockfon® Sonar Activity is a white lightly textured stone wool acoustic ceiling solution. Known for its high sound absorption (NRC = .90) Rockfon® Sonar Activity is an ideal option for office, classroom or restaurant settings. Made from abundantly available basalt rock and containing up to 42% recycled material Rockfon® Sonar Activity makes for a clean environmentally friendly acoustical ceiling option. In addition to its superior quality  Rockfon® also backs its products with a 30 year limited product warranty.

Merrimack Building Supply is proud to be New England’s leading Rockfon® Sonar Activity distributor. With facilities in New Hampshire, Boston, Massachusetts and Connecticut we are able to deliver high quality Rockfon® products to your doorstep with our extensive fleet of boom trucks, box trucks and flat beds.

Features and Benefits

  • Elegant lightly-textured white surface
  • High sound absorption (NRC = 0.90), both suspended and direct installed on to soffits
  • High fire performance
  • High light reflectance (LR = 0.85)
  • Makes direct installation on to soffits possible, maximizing ceiling height

Fire Performance

UL723 (ASTM E84) Flame Spread Index: 0
Smoke Developed Index (UL Labeled): 0
CAN/ULC S102 Flame Spread Index: 10
Smoke Developed Index: 5

ASTM E1264 Classification

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


• Open Plan Office
• Cellular Office
• Classroom
• Cafe/Restaurants
• Reception


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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