CSI MasterFormat · Division 09 Finishes

09 51 00 Acoustical Ceilings

Lay-in acoustical panels and tiles in exposed and concealed suspension systems.

See the assemblies, products and code sections for this spec: free for 14 days, no card required.Sign inStart free trial
The CSI MasterFormat code for Acoustical Ceilings is 09 51 00, in Division 09 (Finishes).

The rest of 09 51 00 Acoustical Ceilings is for members

You're reading the opening of 09 51 00 Acoustical Ceilings. Members see the complete text, every cross-reference and the tools on this page — free for 14 days, no card required.

  • Fire-rated assemblies that satisfy this section
  • Products and manufacturers in this section
  • Insert into a project specification
Unlock 09 51 00 Acoustical Ceilings — free for 14 daysSign in →

Our previews are real data — live counts, no placeholders. We publish our error log →