Noise Barrier Wall Specifications
The document outlines the specifications for a noise barrier wall using MIWO sandwich panels. These panels are designed according to UNE EN 1794-1 standards.

Panel Geometry and Characteristics
The MW 80 Acoustic panel has a screen length of 4.0 meters, a maximum gravitational load of 12.67 kN/m, a maximum wind load of 2.12 kN/m², and can withstand a maximum speed of 50 km/h for snow removal.

Acoustic Performance
The acoustic panel is 80mm thick and its sound absorption and insulation properties are evaluated according to UNE EN 1793-1 and UNE EN 1793-2 standards. The sound absorption evaluation index is A4, and the insulating index is DLR. The document provides detailed frequency-specific sound absorption and insulation values.

Material and Classification
The panel features a micro-perforated sound-absorbing layer and a mineral wool core. It is classified as A2-s1,d0 for fire resistance, non-hydrophilic for water resistance, and does not promote corrosion or bacterial development. The product complies with the UNE EN-14388 standard.

Contact Information
For further inquiries, contact Perfinor at their Caborana industrial estate location in Asturias, Spain, via email at [email protected] or phone at +34 985 48 13 48.