Noise barriers

How are our walls designed ?
Facades design
Benefits and statistics
More effective than concrete… Really ?


How big should your noise barrier wall be ?
The insulating element and acoustic properties

Our walls are insulated with Rockdelta rock wool specially designed for outdoor conditions.
Green barrier 240 | Green barrier 120 | |
DLR = 32 dB (catégory B3) | DLR = 22 dB (catégory B2) | |
Sound absorption | DLa = 5 dB (catégory 2) | DLa = 9 dB (catégory A3) |
Sound attenuation index Rw (dB) | 37 | 26 |