Underfloor heating outside under terrace fine stoneware

There are also versions that are installed under driveways, which help enormously against icing.

That is correct. With a 5-degree "warm" floor, however, you will not be able to heat the W-Garten.

A ramp heating system is practically the only sensible application for this type of trace heating, as it is necessary to prevent material and personal damage.

In a single-family house, it goes beyond the mark. Where is when you need him? Here, resource wastage is planned to the tenth power. for your case, a small heat pump is perfect, because yes, the heating you have in mind does not actually warm up but is only sufficient for melting snow and ice. I had exactly the same project in the summer where someone built it the same way: a conservatory with a heat pump. You definitely have to insulate the floor, with or without additional heating.

You definitely have to insulate the floor, with or without additional heating.

Yap, that's probably true. And I've just added it to my list. Does anyone know if the heating mat of the underfloor heating is laid directly under the panels or under the laying screed?

Every manufacturer has more or less their own system. You also have to take care of moisture removal, etc.

Already a good approach.

Every manufacturer has more or less their own system. You also have to take care of the moisture drainage, etc.

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The pictures illustrate well. That is very helpful. Moisture is and remains an important factor in house construction.

For a conservatory, underfloor heating would be too slow for me. By the time it warms up, the day/evening is over. My suggestion would be split air conditioning. It kicks in for heating like a fan heater and in summer the cooling function is also quick. The control also copes well with an hour of sunshine in between. Additionally, it uses only 1/3-1/4 of the electricity compared to electric direct heating.