Nuheat Mats are available in 120 V and 240 V. Pre-built system, Nuheat Mat is an electric floor heating system that brings heat to the following surfaces: Ceramic or porcelain tile, Granite, Marble, Natural Stone, Laminate/Engineered wood floors. Thinset is applied to the subfloor, the pre-built Nuheat Mat is pressed onto the thinset, and flooring can be installed immediately. Nuheat Mat is compatible with all standard sub-floor material and is only 1/8 in thick, making it ideal for installations where minimal floor buildup is desired.