The combined installation of wood acoustic panels and rock wool achieves significant improvements in acoustics.
Wood acoustic panels, such as those manufactured by Spigotec or Spigoacustic, are designed to be able to define and control the sound that bounces off and absorbs the wall or ceiling where they are installed. This way, acoustic conditioning tasks can be undertaken in order to avoid annoying sound disturbances such as reverberation.
These acoustic panels have perforations of different sizes on their surface that add up to a total area capable of absorbing sound and preventing uncontrolled bouncing of sound waves. The amount of absorbed sound, measured and specified according to the perforation percentage of each panel, is deadened by a veil or other type of sound-absorbent material in the plenum behind the wood acoustic panel.
The technical specifications of Spigoacustic acoustic panels also provide data on the sound absorption provided by each model, combined with rock wool type insulation, in three scenarios from acoustic simulations according to UNE EN-ISO 354 and treated according to EN-ISO 11654:
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- E55: typical wall installation, 55 mm thick, with 16 mm acoustic panel and 40 mm plenum completely filled with 40 mm thick rock wool, with a density of 70 kg/m³.
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- E100: recommended wall installation, 100 mm thick, with 16 mm acoustic panel and 84 mm plenum completely filled with 40 mm thick rock wool, with a density of 70 kg/m³.
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- E250: typical false ceiling installation, 250 mm thick, with 16 mm acoustic panel and 234 mm plenum completely filled with 40 mm thick rock wool, with a density of 70 kg/m³.
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