Subdued lighting is more powerful than heat treatments. FREE DIY-BED BUG-BUGS TREATMENT worldwide) FREE Do It Yourself (DIY) Bed Bugs Treatment, Primary, Secondary (long term) I don't ID. You'll know. Email This information will prevent your first infestation, or provide instant relief. Bed Bugs can't walk on smooth plastic. Encase your mattress. Place a clear plastic sheet between the mattress and box-spring. Plastic is on rolls at Osh hardware. The plastic overhang should be about 4 inches all around the box spring. The Bed Bugs cannot get to you and will starve. Your bed must be a proper bed. No covers touching the walls, etc. Don't forget to place a plastic sheet on your favorite chair. Furthermore, this treatment works well with Subdued light.