ArchAINI planning & building control← All guidance

Technical Booklet G Resistance to the Passage of Sound·Page 95·4.28

Pelmet recess for high window heads

Where a window head is close to the existing ceiling, the new independent ceiling may be raised to form a pelmet recess to accommodate the window.

soundglazing
Where a window head is near to the existing ceiling, the new independent ceiling may be raised to form a pelmet recess (see Diagram 4.4).

Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet G - Resistance to the Passage of Sound.pdf