Warm Tiles is designed for marble, ceramic, concrete, tile, slate, paver (brick, stone, etc.),laminate and engineered wood* type floors. It is NOT designed for wood, carpet, linoleum, or vinyl tile floors. Warm Tiles cable MUST be embedded in “cementitious material” (e.g., mortar). *For use under engineered, floating wood floors only. Not approved for nail down installations. FG Series