How Much Does R20 Insulation Cost in Washington, District of Columbia?

What you get at each price level

• Basic

  $0.98 – $2.31 per sq ft

  R-20 fiberglass batts friction-fit in 2x6 wall cavities, cut around boxes and pipes

• Standard

  $1.15 – $2.72 per sq ft

  Kraft-faced R-20 batts stapled to studs, split around wiring, cut tight at boxes, top and bottom plates fully filled

• Premium

  $1.44 – $3.40 per sq ft

  Kraft-faced R-20 batts stapled to studs and fitted without gaps, split around wiring, cut tight at boxes, plates fully filled, window gaps filled