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

What you get at each price level

• Basic

  $0.89 – $4 per sq ft

  R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing

• Standard

  $1.05 – $4.71 per sq ft

  R-30 fiberglass batts pressed against the subfloor, held with wire supports, gaps at rim joists stuffed with insulation

• Premium

  $1.31 – $5.89 per sq ft

  R-30 fiberglass batts pressed to the subfloor, wire supports at close spacing, rim joists insulated, batts cut tight around pipes and wiring