Insulating Walls

For good insulation performance, get the details right

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Utility knife
  • Tape measure
  • Stapler
  • Dust mask

You'll also need goggles, a cap, gloves and a long-sleeved shirt.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Batt insulation
  • Expanding foam
  • 4-mil poly sheeting
  • Acoustical sealant
  • Sheathing tape