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Hydronic Floor Heating Insulation Board

HYDROFOAM® is the ideal radiant floor insulation product for residential and commercial construction projects that increases comfort and energy efficiency.  HYDROFOAM® maximizes radiant floor heating by ensuring the heat is dispersed evenly throughout the entire floor area, providing building occupants with a comfortable living and working environment.

HYDROFOAM® offers installers a lightweight high density expanded polystyrene (EPS) product that increases installation speeds, is easily cut to meet any angle or radius while providing up to R-16 insulation value. Installation is fast and easy compared to traditional foam insulation.

The 4’ x 4’ (1.2m x 1.2m) boards, available in two thickness, are easily installed with an overlapping interlock on all four sides, ensuring the boards are locked in place during installation. HYDROFOAM® utilizes a 360° multidirectional friction fit anchor system that eliminates the need for wire mesh.  Radiant heat piping is easily stepped into place in any direction required.

Product advantages:

  • Insulation Advantages
  • Easy installation
  • Ship lapped, interlocking design with multi-directional anchors for faster piping installation
  • Flexibility to cut any shape or size
  • Increased comfort as a result of uniform temperature


  • 2-in-1 product: insulates concrete slab and supports pipes
  • Permanent insulation value
  • Energy savings: reduced heating bills


  • 100% recyclable
  • No CFCs or HCFCs
  • Resistant to water and moisture that can cause mildew
  • Non-toxic (98% air and 2% material)
  • Inorganic and rot-proof materials

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