THE BEST SIDE OF SOUNDPROOF SECONDARY GLAZING BATTERSEA

They have been specially built to produce the best defense towards airborne and affect audio.From 2003, Accredited Document E states that every one new United kingdom builds must bear pre-completion sound insulation testing. New builds have to obtain effects sound test results of no more than 62dB L’nTw and airborne audio lack of no less than 45d