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Heat-Sheet is a new lightweight radiant floor insulating system designed for slab-on-grade, sandwich slab, snow-melt, retrofit and overlay applications.

Compact 2′ x 4′ Heat-Sheet panels are made with Type 2 or Type 3 EPS, come in six thicknesses and offer R-values from R4 to R14.

Heat-Sheet’s tough preformed nodules resist jobsite breakage and form the convenient 3″ multi-directional tubing channel grid. 1/2″, 5/8″ or 3/4″ radiant floor tubing easily “walks into place” (usually in 1/2 the time or better) and stays in place without ties, clips or staples in most cases.

Installing radiant flooring has never been so quick and easy!





  1. Ensure the ground is level. Install vapor barrier if needed.
  2. Place Heat-Sheet panels down. Interlock the panels together and create a running bond pattern.
  3. Walk tubing into place. A plastic staple may be required on the turns. Place wire mesh and rebar on panels if required.
  4. Start pouring concrete.
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