Timber PanelsWall · Ceiling

Perforated Timber Panel Acoustic Properties \u2014 Absorption Coefficients (125Hz\u20134kHz)

MDF or plywood panels with precision-drilled or CNC-routed perforations, backed by acoustic fleece and mineral wool. Combines natural timber aesthetics with effective broadband absorption. Available in standard patterns or custom designs.

NRC
0.65
αw
0.60
Applications
Wall, Ceiling
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. Perforated Timber Panel has an NRC of 0.65.
Reference: ASTM C423 / ISO 354:2003

Absorption Coefficients by Octave Band

Frequency (Hz)125250500100020004000
α (absorption)0.300.500.650.750.700.60
125 Hz
0.30
250 Hz
0.50
500 Hz
0.65
1000 Hz
0.75
2000 Hz
0.70
4000 Hz
0.60

RT60 Impact

Installing 18m² of perforated timber panels in a 100m³ room reduces RT60 by approximately 0.30s at 500Hz

Manufacturers & Brands

GustafsTopakustikDecoustics

Frequently Asked Questions

What is the NRC of Perforated Timber Panel?

Perforated Timber Panel has an NRC (Noise Reduction Coefficient) of 0.65, calculated as the arithmetic mean of absorption coefficients at 250, 500, 1000, and 2000 Hz per ASTM C423.

Where is Perforated Timber Panel typically used?

Perforated Timber Panel is typically used as a wall and ceiling treatment. MDF or plywood panels with precision-drilled or CNC-routed perforations, backed by acoustic fleece and mineral wool.

How much does Perforated Timber Panel reduce RT60?

Installing 18m² of perforated timber panels in a 100m³ room reduces RT60 by approximately 0.30s at 500Hz

Use Perforated Timber Panel in Your Room Simulation

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