TinnerFlow™2nd YearVAVs & Fan CoilsYELLOW · Check First
Yes, if specified by the engineer. This is standard practice in commercial design to deaden the acoustic air velocity noise and the metallic sound of the VAV damper blades opening and closing before the air reaches the occupied office spaces.
Yes, if specified by the engineer. This is standard practice in commercial design to deaden the acoustic air velocity noise and the metallic sound of the VAV damper blades opening and closing before the air reaches the occupied office spaces.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.