It’s also possible the present adjoining terraces, on and off-ramps, clear of snow and ice, by keeping the temperature during frost periods around the +6 °Celsius.
The “floor” build-up consists of a waterproof insulation system where the Yacht Floor Heating system is mounted on and finally filled with liquid, suitable to -41°Celsius frost protection.
The overlay is then performed by the gardener or road worker as they normally do, the overlay can consist of paving, gravel, wood parings, etc.
This system works only if the outside temperature below 5 °Celsius, a Honywell outside temperature sensor opens en closes the thermo motor the pump unit to allow your patio to slowly pre-heat.