Deckmate™ Insulation is a Styrofoam™ Brand extruded polystyrene (XPS) foam insulation with a planed surface. It is designed for use in fully adhered conventional low-slope roof applications. Available in flat and tapered board stock, the rigid foam insulation boards can be installed directly on structural steel decks beneath a nonbituminous sheet membrane, eliminating the need for a thermal barrier. It has excellent insulating characteristics, high resistance to water and water vapor, excellent freeze-thaw resistance, exceptional compressive strength and long-term durability.

Deckmate™ Insulation

Deckmate™ Plus FA


  • For commercial roof applications
  • For use in conventional, low-slope roofs
  • New construction and reroofing


  • Can be installed directly on structural steel decks beneath a sheet membrane or on a standing seam metal roof
  • Eliminates need for a thermal barrier like gypsum board
  • Specially designed smooth, high-density skins
  • Excellent insulating characteristics
  • High resistance to water and water vapor
  • Excellent freeze-thaw resistance
  • Excellent compressive strength
  • Long-term durability
  • Contains an average of 20% pre-consumer recycled content certified by UL Environment Inc.