How Much Does Foam Board Insulation Cost in Seattle, Washington?

What you get at each price level

• Basic

  $1.46 – $3.65 per sq ft

  1-1/2 in. XPS rigid foam board (about R-7.5), fastened to the wall, seams taped

• Standard

  $1.72 – $4.29 per sq ft

  1-1/2 in. XPS rigid foam board (about R-7.5), adhesive and fasteners, staggered joints, seams taped

• Premium

  $2.15 – $5.37 per sq ft

  1-1/2 in. XPS rigid foam board (about R-7.5), adhesive and fasteners, staggered joints, seams taped, edges and penetrations sealed with foam