Technical Booklet G Resistance to the Passage of Sound·Page 78·3.68
Floor type 2.2B - Concrete planks with floating floor and ceiling treatment B
Specifies construction requirements for concrete plank floors with floating floors and ceiling treatment to achieve sound resistance, including minimum mass, screed, joint grouting, and ceiling specifications.
Concrete planks (solid or hollow), floating floor, ceiling treatment B (see Diagrams 3.14 and 3.15) –
minimum mass per unit area of planks and any bonded screed of 300 kg/m2;
use a regulating floor screed;
all floor joints fully grouted to ensure airtightness;
floating floor (a), (b) or (c) essential;
ceiling treatment B (or better) essential.
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