Ceiling TilesCeiling · Wall

Mineral Wool Ceiling Tile Acoustic Properties \u2014 Absorption Coefficients (125Hz\u20134kHz)

High-density mineral wool tiles (600x600mm or 1200x600mm) suspended in a T-bar grid. The most widely specified acoustic ceiling product globally. Available in tegular, square-edge, and board-lay formats.

NRC
0.85
αw
0.80
Applications
Ceiling, Wall
NRC (Noise Reduction Coefficient)
NRC is the arithmetic average of sound absorption coefficients at 250, 500, 1000, and 2000 Hz, rounded to the nearest 0.05. Mineral Wool Ceiling Tile has an NRC of 0.85.
Reference: ASTM C423 / ISO 354:2003

Absorption Coefficients by Octave Band

Frequency (Hz)125250500100020004000
α (absorption)0.250.650.900.950.900.85
125 Hz
0.25
250 Hz
0.65
500 Hz
0.90
1000 Hz
0.95
2000 Hz
0.90
4000 Hz
0.85

RT60 Impact

Installing 24m² of mineral wool ceiling tile in a 100m³ room reduces RT60 by approximately 0.45s at 500Hz

Manufacturers & Brands

ArmstrongRockfonEcophonKnauf AMF

Frequently Asked Questions

What is the NRC of Mineral Wool Ceiling Tile?

Mineral Wool Ceiling Tile has an NRC (Noise Reduction Coefficient) of 0.85, calculated as the arithmetic mean of absorption coefficients at 250, 500, 1000, and 2000 Hz per ASTM C423.

Where is Mineral Wool Ceiling Tile typically used?

Mineral Wool Ceiling Tile is typically used as a ceiling and wall treatment. High-density mineral wool tiles (600x600mm or 1200x600mm) suspended in a T-bar grid.

How much does Mineral Wool Ceiling Tile reduce RT60?

Installing 24m² of mineral wool ceiling tile in a 100m³ room reduces RT60 by approximately 0.45s at 500Hz

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