ᐅ Which type of screed do you prefer?

se_na_23 schrieb:

Just remembered...

There’s a 1000L (264 US gallons) storage tank in the utility room... Should the underfloor heating also be omitted there? At least, nothing about this is mentioned in the underfloor heating plan?

For example, we have no underfloor heating in the utility room at all. But since we also have a buffer tank with a capacity of 1,000L (264 US gallons), XPS insulation and cement screed were used there instead of EPS. Definitely discuss such topics with your builder. I assume they are aware of point loads and will handle them accordingly, but the stove is no longer their responsibility. Include them specifically in your planning and find a construction solution together.

The underfloor heating is currently being installed on the upper floor... No XPS was delivered there... All materials are already on site

How many people are there that you need a 1000-liter (265-gallon) storage tank?

Tolentino schrieb:

How many people are you that you need a 1000-liter (264-gallon) tank?

We are 3... According to the local technical building regulations (TAB), we need to have 600 liters (158 gallons) available. The builder suggested taking 1000 liters (264 gallons) so later we can run the heat pump (HP) at a lower output, even if two bathrooms are in use at the same time.

Ah, because of the district heating?
That's quite intense, of course. But there's probably nothing you can do about it. Be careful with Legionella. However, it might be allowed for you to have a storage temperature of 65°C (149°F).

se_na_23 schrieb:

The underfloor heating is currently being installed on the upper floor... No XPS insulation was delivered there... All the materials are already on site

There is also the option to leave the area for the thermal storage tank open when pouring the screed and then, for example, fill it completely with screed concrete afterwards. Maybe that’s your plan. However, this makes the issue of impact sound insulation a bit tricky.

Why don’t you just go to the construction site and speak up?

In hindsight, I also regret the 1,000L (264 gallons) storage tank, but we were already planned for an oversized heat pump, and the main contractor absolutely refused to change that. So it is what it is now. It would have been better to have a properly sized heat pump and a smaller storage tank.