Crawlspace Conversion

Materials/Tools Needed

  • Extruded polystyrene and tape and/or closed-cell spray polyurethane foam
  • 15 mil polyethylene sheet and sheathing tape or acoustic sealant
  • Tape or sealant compatible with polyethylene and concrete
  • Insulation attachment system

Homeowner Tips

Protect the polyethylene sheet with carpet or rubber mats if foot traffic is expected in the crawlspace.