Winterized conservatory, heating/cooling

[tobpet01]

Hi, I’m building a winterized conservatory.
The roof and walls are insulated with 120mm and 195mm glass wool/mineral wool, respectively.
I’m considering what to do about the vapor barrier...
The idea is to keep the conservatory heated year-round with a heat pump and possibly use cooling in the summer.

What should be done about the vapor barrier? Skip it?

 

[cdt]

I'm doing the same thing. It will be 195mm insulation in the walls and floor and a little more in the ceiling.

Installing water-based underfloor heating that will connect to a radiator with a mixing valve.

From what I've read, you should have a vapor barrier on the warm side. When it comes to the floor, there seems to be differing opinions about whether it should be plastic or not.

 

[tobpet01]

I'm working on the same thing. There will be 195mm insulation in the walls and floor and a bit more in the ceiling.

I'm installing water-based underfloor heating that will be connected to the radiator with a shunt.

From what I've read, you should have a vapor barrier on the warm side. When it comes to the floor, there seem to be different opinions on whether it should be plastic or not.

What makes me a bit concerned is that you might end up in a situation where it's colder inside than outside... then there's a risk of condensation on the plastic...

 

[cdt]

Well, I actually don't know how to reason about that. I have also considered having an air-source heat pump later solely for cooling, so it will be interesting if someone can answer that.