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The Radiant Heating Blog
Expert guides, system comparisons, and installation know-how on hydronic radiant floor heating, from the people who engineer the panels.
Underfloor Insulation for Wooden Floors: Why It Matters and How to Do It Right
FLOOR WARMTH IMPROVEMENT: INSULATED vs. UNINSULATED WOOD FLOOR70-74°FWith Insulation58-64°FNo InsulationSource: WBI thermal performance data. Underfloor insulation is the most impactful first step for cold wood floors....
Modified vs. Unmodified Thinset: What to Use Over Radiant Floor Heating Systems
THINSET CURE TIME: HEATED vs. UNHEATED INSTALLATION24-48 hrsUnheated (recommended)48-72 hrsHeated During CureSource: TCNA tile installation standards. Always cure thinset with system off, then ramp up slowly....
Under Tile Floor Heating: How to Tile Over Radiant Heating Boards
TILING OVER RADIANT HEATING BOARDS: KEY STEPS Let thinset cure with system OFFEssential Use unmodified thinset (ANSI A118.1)Recommended Allow 24-48 hrs before activating heatRequired Ramp up...
Tile Over Radiant Heating Boards
TILING OVER RADIANT HEATING BOARDS: BEST PRACTICESUnmodified thinset — preferred for radiantYesSystem off during thinset cureRequiredMinimum cure time before heat activation24-48 hrsRamp-up rate after cure5°F per...