The 6'x6' Acoustic Noise Reduction Fence Panel has our highest acoustic rating of 4, with up to 30dB noise reduction, reducing the average road noise down to just a normal conversation level. The noise reduction performance has been independently tested to British Standards BS EN 1793-2:2012 (Road traffic noise reducing devices) Category B3, BS EN ISO 10140-2 and ISO 717-1 the method used for measuring the airborne sound insulation. So you can be assured that it will deliver! The Triform Technology which creates multiple angles over the face of the panel, sounds waves are reflected, diffused and absorbed. With 17mm thick sturdy smooth planed tongue and grooved interlocking boards the panel can be fitted vertically or horizontally to accentuate either the length or height of the fence run depending on your personal style requirement. They are mounted encased in a robust 45mm thick rebated frame to ensure there are no gaps for noise to pass through. They also offer and an impressive 15 year anti-rot guarantee meaning there is no annual re treatment or maintenance required for these high quality, sturdy and reliable noise reduction panels. For optimum acoustic performance fit using slotted ‘H’ posts or screws directly to a pressure treated fence post to ensure there are no gaps for sound to squeeze through.  Offering up to 30db reduction in noise Tested to BS EN 1793-2:2012 (Road traffic noise reducing devices) Category B3 Made using 17mm thick smooth planed tongue & grooved interlocking boards Triform - triangulate boards will deflect, diffuse and absorb sound Strong 45mm rebated smooth planed outer frame 15 year guarantee against rot Can be used so boards are vertical or horizontal to accentuate the width or height Noise reduction, stylish looks, robust build and maintenance free