Silent drywall technology, Eco-friendly soundproofing, Volcanic rock insulation

Noise Absorption Co-efficient
at 50mm (NRC) Fire Performance Melting Point Thermal Conductivity
20°C λ Value (W/mK) R-value at 50mm thickness
thickness (m2K/W) Water
  Water Absorption
(partial immersion) Water Vapor Absorption   Thickness 1.


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