To insulate the basement walls, let's first check what all will be required for the same. You will need -
- 2x4 Pressure Treated Wood
- 2x4 Wall Studs
- 3½" Fiberglass Insulation
- ¾" Rigid Foam Insulation
- 3" Masonry Screws
- Nails
- Hammer
- Drill
After this, now we move on to the actual work!