ᐅ Building a House with TuC and Modifications – Your Thoughts?
Created on: 11 Apr 2019 21:52
D
derkobi
Hello construction experts and enthusiasts, I have been reading along for a while and now I need some advice.
We want to build with TuC here in Saxony, postal code area 02.
The companies that build for TuC here have a good reputation and there is a lot of building activity at the moment.
Most people simply build an affordable house, called Standard eco Baustein 1. Unfortunately, posting links is not allowed. We want to make a few small changes if they make sense.
We would like to increase the exterior wall thickness from 24cm (9.5 inches) to 36.5cm (14 inches), using aerated concrete from Porit in monolithic construction.
The additional cost is about 7,300€ (the foundation slab will also be larger to maintain the living space). The rest will be adjusted to the stronger walls – roof, windowsills, etc.
If worthwhile, we would replace the gas condensing boiler with an air-to-water heat pump (Vaillant aroTherm Split vwl 75/5) with Unitower vwl 78/5 IS.
Additional cost: 6,000€.
Underfloor heating throughout the house.
The house model is Flair 125, where 125 stands for the square meters.
One and a half stories.
What are your thoughts on this?
Kind regards,
Kobi
We want to build with TuC here in Saxony, postal code area 02.
The companies that build for TuC here have a good reputation and there is a lot of building activity at the moment.
Most people simply build an affordable house, called Standard eco Baustein 1. Unfortunately, posting links is not allowed. We want to make a few small changes if they make sense.
We would like to increase the exterior wall thickness from 24cm (9.5 inches) to 36.5cm (14 inches), using aerated concrete from Porit in monolithic construction.
The additional cost is about 7,300€ (the foundation slab will also be larger to maintain the living space). The rest will be adjusted to the stronger walls – roof, windowsills, etc.
If worthwhile, we would replace the gas condensing boiler with an air-to-water heat pump (Vaillant aroTherm Split vwl 75/5) with Unitower vwl 78/5 IS.
Additional cost: 6,000€.
Underfloor heating throughout the house.
The house model is Flair 125, where 125 stands for the square meters.
One and a half stories.
What are your thoughts on this?
Kind regards,
Kobi
H
hampshire14 Apr 2019 16:36Mottenhausen schrieb:
Of course, you can also live with, for example, a plastic front door without windows and with a panel insert... You can actually live very well with that. An aluminum door doesn’t offer any practical advantage.
Nordlys schrieb:
Fireplace... do you really need that? You’ll suffocate in such a modern house. You put that very well. In practice, it means: fireplace on, window open. Not energy efficient anymore, but wonderfully cozy when the fireplace is on.
11ant schrieb:
@ windows:
Plastic or anthracite—not together, I wouldn’t recommend that. I’m really interested in your reasoning. We just got windows like that. They look great so far. No experience yet.
hemali2003 schrieb:
Maybe it’s not as high-quality and durable as in other, much more expensive houses—but that’s okay. How durable things are in a house depends a lot on how they are treated. For careful people, apparently lower-quality parts last longer than ultra-sturdy expensive ones in careless hands.
@derkobi: It seems like you’re on a good path. One thought on gas or heat pumps: Gas will be the more cost-efficient option—just as nordlys says. I have children and hope to have grandchildren someday. Today, I would feel uncomfortable building a house that still relies on fossil energy sources.
hampshire schrieb:
I have children and hope to have grandchildren someday. I would feel uncomfortable building a house today that relies on fossil energy sources. Hmm, in our colder climates, energy will definitely be needed. And if we want to do everything electrically (heating, driving, cooling), we won’t be able to generate all that electricity from renewable sources alone—especially since power lines and offshore wind farms are often opposed by environmental groups. Should we then switch from fossil fuels to nuclear power? I think this dilemma is unavoidable. Stopping global warming is only possible if overpopulation is stopped. That is my opinion, which is not without reason. Karsten
H
hampshire14 Apr 2019 18:07@Nordlys Yes, Karsten, your perspective is very well-founded.
Maybe I am an idealist or simply someone who encourages taking personal action here and there. If we stop buying fossil fuels and the electricity generated from them, this supports renewable technology. This technology is being developed here. The faster it becomes affordable, the sooner it will be possible to supply countries with exponentially growing populations—and thus energy demand—so that their supply systems are properly established from the start. For example, there is significant progress in renewable energy in Africa. In this way, the collective contributions of individuals make sense. My own contribution is like a drop in the ocean.
Analogy: Some people peacefully protested repeatedly in the summer of 1989. Others said it was pointless anyway. Those few people achieved a lot for many—the Wall fell. A single individual would have been laughed at.
Maybe I am an idealist or simply someone who encourages taking personal action here and there. If we stop buying fossil fuels and the electricity generated from them, this supports renewable technology. This technology is being developed here. The faster it becomes affordable, the sooner it will be possible to supply countries with exponentially growing populations—and thus energy demand—so that their supply systems are properly established from the start. For example, there is significant progress in renewable energy in Africa. In this way, the collective contributions of individuals make sense. My own contribution is like a drop in the ocean.
Analogy: Some people peacefully protested repeatedly in the summer of 1989. Others said it was pointless anyway. Those few people achieved a lot for many—the Wall fell. A single individual would have been laughed at.
hampshire schrieb:
I am very interested in an explanation. This is probably related to the different expansion rates affecting the plastic of the frame profile and its steel core. The dark coating is thin and applied directly onto the plastic, which causes it to warm up almost as quickly as if the similar material of the coating were a homogeneous part of the plastic itself. The steel core, which is not directly exposed to sunlight, experiences little warming within the hollow chamber profile, leading to stresses in the overall structure of the profile. With light-colored plastic surfaces, the relevance of differing expansion behaviors is less significant, and it is more common for the stresses to remain below the threshold that causes cracking.
I have read so many reports of cracking dark plastic windows in forums that, in my impression, this unwanted effect is frequent—yet I have not seen a large enough number of cases to reasonably speculate why some owners of dark plastic windows credibly claim they have not yet experienced this issue in their own homes.
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