How Much Does Polyisocyanurate Insulation Cost in Wilmington, Delaware?

What you get at each price level

• Basic

  $1.73 – $3.90 per sq ft

  1-1/2 in. foil-faced polyiso board (around R-9), fastened to the surface, seams taped

• Standard

  $2.04 – $4.58 per sq ft

  1-1/2 in. foil-faced polyiso board (around R-9), fastened with cap fasteners, all seams taped with foil tape

• Premium

  $2.55 – $5.73 per sq ft

  1-1/2 in. foil-faced polyiso board (around R-9), fastened, seams taped, edges and penetrations sealed with foam