Timber sound-absorbent barriers are Highways Agency approved and conform to the latest Tec Memo HA 65/94 (Part 1) and HA 66/95 (Part 2), as well as BS EN 1793 and BS EN 1794.
They are further backed up with independent design checks and PII.
Sound attenuation is Rw 35dB, with an absorption coefficient of 0.8 starting as low as 200Hz.
Head Office Suite 7, Talland Parade, High Street, Seaford, England, UK BN25 1PJ | sitemap Gramm Barrier Systems Limited Registered in England and Wales Company No. 05836133 | VAT No. 704 4877 27