Timber PanelsWall · Ceiling

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

Structural or decorative plywood (birch, marine, or hardwood veneer). Low overall absorption but some useful low-frequency panel absorption when mounted on battens with an air gap. Increasingly popular in modern Scandinavian-influenced interiors.

NRC
0.15
αw
0.10
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. Plywood Panel has an NRC of 0.15.
Reference: ASTM C423 / ISO 354:2003

Absorption Coefficients by Octave Band

Frequency (Hz)125250500100020004000
α (absorption)0.250.150.100.080.080.08
125 Hz
0.25
250 Hz
0.15
500 Hz
0.10
1000 Hz
0.08
2000 Hz
0.08
4000 Hz
0.08

RT60 Impact

Plywood panels provide some low-frequency absorption when mounted with an air gap. Minimal effect on mid-high frequency RT60

Frequently Asked Questions

What is the NRC of Plywood Panel?

Plywood Panel has an NRC (Noise Reduction Coefficient) of 0.15, calculated as the arithmetic mean of absorption coefficients at 250, 500, 1000, and 2000 Hz per ASTM C423.

Where is Plywood Panel typically used?

Plywood Panel is typically used as a wall and ceiling treatment. Structural or decorative plywood (birch, marine, or hardwood veneer).

How much does Plywood Panel reduce RT60?

Plywood panels provide some low-frequency absorption when mounted with an air gap. Minimal effect on mid-high frequency RT60

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