How Much Does Soundproof Insulation Cost in Seattle, Washington?

What you get at each price level

• Basic

  $1.46 – $3.41 per sq ft

  Acoustic mineral wool batts sized for the cavity, friction-fit between framing members

• Standard

  $1.71 – $4.01 per sq ft

  Acoustic mineral wool batts cut tight around boxes and pipes, gaps at plates sealed with acoustic sealant

• Premium

  $2.14 – $5.01 per sq ft

  Acoustic mineral wool batts fitted tight, acoustic sealant at plates and penetrations, putty pads on electrical boxes