UPVC is a less expensive alternate to high-priced hardwood timber and aluminium. It is a popular material resulting from its longevity and it remaining a cost-powerful possibility. It may also be generally known as PVC and PVCU. These acoustic interlayers can reduce the sound transmission through glass to between 35Db https://sergioqiwog.bloggazzo.com/26491422/rumored-buzz-on-sound-insulation-double-glazing