Between Joist Insulation

Double Bubble Insulation pre-cut to 16" and 24" for installation under or between floor joists.

Collection: Between Joist Insulation

Insulate your floor or wall space with EcoFoil Between Joist Insulation. Adding this quick and clean insulation will add comfort and energy efficiency to your home—redirecting heat where you want it and reflecting it away from areas you'd like to keep cool. 

  • Made from Double Bubble Insulation 
  • Blocks 96% of radiant heat when air gap is present on either side of the material
  • Makes radiant floor systems more effective and efficient
  • Available in 16" and 24" pre-cut widths
  • 3/4" staple tabs on either side for easy installation
  • Durable, lightweight, and easy to handle
  • Cuts easily with utility knife or scissors
  • Barrier for methane, radon, moisture, termites, and other pests
  • 1/4" approximate thickness (product compresses slightly while on the roll)