Technical Booklet G Resistance to the Passage of Sound·Page 40·2.60, 2.61
Cavity Masonry Wall Type 2 Constructions
Four cavity masonry wall constructions (types 2.1 to 2.4) are available, with types 2.3 and 2.4 requiring a step in elevation and/or stagger in plan of at least 300 mm.
Four wall type 2 constructions (types 2.1, 2.2, 2.3 and 2.4) are described in this guidance. Two of these wall constructions (types 2.3 and 2.4) are only suitable when a step in elevation and/or a stagger in plan is incorporated at the separating wall. The step/stagger should be at least 300 mm.
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