How Much Does XPS Insulation Cost in Seattle, Washington?

What you get at each price level

• Basic

  $1.17 – $3.60 per sq ft

  1 in. XPS foam board, about R-5, fastened with cap fasteners, seams taped

• Standard

  $1.37 – $4.24 per sq ft

  1 in. XPS foam board, about R-5, adhesive-set and cap-fastened, seams taped, edges sealed with foam

• Premium

  $1.72 – $5.30 per sq ft

  1 in. XPS foam board, about R-5, adhesive-set and cap-fastened, seams taped, gaps and penetrations foam-sealed, cut tight