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The next generation in under concrete insulation!

UltraboardThe UltraBOARD's bonding of bubble, foil and Type II EPS board withstands job site traffic without breaking up. UltraBOARD addresses all forms of heat loss under concrete, plus it reflects radiant heat back to the living space.


  • Withstands job site traffic
  • Excellent thermal break between grade and foundation
  • Rated for conductive heat transfer
  • Reflects over 57% of radiant heat
  • Improves slab heat loss by over 80%
  • Impenetrable to water and vapor
  • Easy to work with and configure around obstacles
  • Reduces slab reaction time



  • In-floor heating
  • Concrete slabs
  • Perimeter Insulation (outside foundation walls)
  • Snow melts
  • General building insulation



  • Rated R-5 (ASTM C%18) plus 57% Reflectivity **
  • Size: 4' x 8'  x 1 1/4"