Experience the luxury of warm, cosy floors with Thermosphere’s underfloor heating cables, featuring patented Twisted Twin technology that significantly reduces cable stress for a safer, longer-lasting solution. These easy-to-install, 3.2mm thick cables are highly energy-efficient and perfectly compatible with Thermosphere’s decoupling membrane. Backed by a life-time Thermosphere warranty, these 100Lm cables offer instant heat and fast-drying floors for the ultimate in-home comfort.

What’s special about this product? 

• Unique TwistedTwin heating cable technology
• Longer lasting superior heating cable
• Reduced cable stress for safer cable
• Easy-to-install alongside the Thermosphere decoupling membrane
• 100Lm, but available in varying lengths to suit any project

When using the ThermoSphere Underfloor Heating Membrane, space your cable 2 dimples apart for an output of 195w/m² - perfect for instant heat and fast drying floors. For lower output and well-insulated areas, space the cable 3 dimples apart for a 130w/m² output.