Acoustic Ceiling Clouds and Baffles

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Revision 3 · Oct 8, 2026 +2 −2

Cross-references re-pointed to the standard that now owns each subject, after neighboring standards were remade
Showing changes from Rev 2 to Rev 3 in Acoustic Ceiling Clouds and Baffles.
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title: Acoustic Ceiling Clouds and Baffles
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in wall cavities, plenums, or duct wrap (use [[sync/acoustic-insulation]]);
integrated luminaires and electrical trim (coordinate with electrical division);
− ductwork and diffusers in the open plenum (use [[sync/common-work-results-mechanical]]).
+ ductwork in the open plenum (use [[sync/hvac-ductwork]]) and diffusers (use [[sync/hvac-air-distribution-devices]]).
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…18 unchanged lines
## Integrated lighting luminaires, electrical trim, and lighting-fixture specification are coordinated with the electrical division and are not specified here. {note}
−## Mechanical ductwork and HVAC diffusers in the open plenum are covered by [[sync/common-work-results-mechanical]] and the mechanical discipline standards. {note}
+## Mechanical ductwork and HVAC diffusers in the open plenum are covered by [[sync/hvac-ductwork]] and [[sync/hvac-air-distribution-devices]]. {note}
## Structural deck soffits and exposed concrete or steel ceiling finishes that serve no acoustic function are outside the acoustic specialty scope. {note}
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unit: '% of installed'
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