Technical Booklet G Resistance to the Passage of Sound·Page 99·4.42
Junction treatment for external or loadbearing walls
Where significant flanking transmission occurs along adjoining walls, improved sound insulation can be achieved by lining all adjoining masonry walls with an independent layer of plasterboard or a laminate of plasterboard and mineral wool.
Where there is significant flanking transmission along adjoining walls then improved sound insulation can be achieved by lining all adjoining masonry walls with either – (a) an independent layer of plasterboard; or (b) a laminate of plasterboard and mineral wool. For other drylining laminates, seek advice from the manufacturer.
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