Technical Booklet G Resistance to the Passage of Sound·Page 99·4.43
Wall mass exemption from lining requirement
Where the adjoining masonry wall has a mass per unit area greater than 375 kg/m² then lining may not be necessary as it may not give significant improvement.
Where the adjoining masonry wall has a mass per unit area greater than 375 kg/m2 then such lining may not be necessary, as it may not give a significant improvement.
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