The Acoustic barriers supplied by Leeyin Acoustics are waterproof, heat resistant, UV resistant, it will not cause change in performance or quality due to changes in rain temperature and UV light. Sound barriers are materials help to block sound and noise or create soundproof walls, ceilings, or enclosures for noisy equipment. Leeyin acoustic barriers fence for industrial, outdoor construction sites, which are the best substitute for ECHO Barrier in Europe.The maximum sound insulation is 47dB. Test report available. Require FREE samples now!