Perimeter and Underslab

Superior moisture resistance, stable R-value, and termite resistance to protect your insulation integrity.

Foam-Control with Perform Guard® is a cost-effective, durable, and energy efficient solution for below grade insulation applications. It is an ideal material to stop energy loss at the foundation or slab. Foam-Control with Perform Guard is a proven material with built in protection against the destructive force of termites. Foam-Control is available in a range of thicknesses to meet your local energy code requirements.


  • Saves energy
  • Meets code requirements for below-grade use
  • No long-term R-value loss or thermal drift
  • No CFC, HCFC, HFC, or formaldehyde
  • Superior moisture resistance
  • Retains R-value even with moisture exposure
  • Retains R-value after freeze-thaw cycling