Large Openings, Shafts, or Drop Ceilings

Materials/Tools Needed

  • Spray foam (spray can or two-part) and/or polyurethane sealant
  • Wood, OSB or gypsum board
  • Fasteners

Homeowner Tip

Do not store items in the attic on top of the finished cover. Use an attic platform to keep the storage items above the level of the new insulation.