Yasuragi / YasuragiⅡ
"Wooden soundproof wall"
7th Eco-Products Awards Minister of Agriculture, Forestry and Fisheries Award!!
Wooden soundproof wall "Yasuraki Ⅱ"won the minister of agriculture, forestry and fisheries awards in the field of the Eco-Products in the 7th Eco-Products Awards which was sponsored by the Ministry of Finance, Ministry of Health, Labour and Welfare, the Ministry of Agriculture, Forestry and Fisheries, the Ministry of Economy, Trade and Industry, Ministry of Land, Infrastructure and Transport, the Ministry of the Environment.
NHK news televised a close up report on as local production for local wooden soundproof wall leads to the improvement of care and landscape of the environment.
Cleared the standard value of the soundproofing wall which former Japan Highway Public Corporation (existing NEXCO) establishes for expressways.
Sound Transmission Test
|Standard value||More than 25dB||More than 30dB||More than 70%||More than 80%|
Carried out two tests of ”The airborne sound insulation test” and “The reverberant sound absorption coefficient test”, and got higher marks than the standard value set by Japan Highway Public Corporation.