ᐅ Solid wood house / partial self-construction, wall structure / differences
Created on: 13 Oct 2013 09:46
R
Ralf-BuxGood morning,
I am new here... and also new to the topic of “building a house.”
My wife and I have already read quite a bit, but we are not professionals.
We want to build a healthy single-family wooden house for our family of four.
The choice between wood and stone is no longer a question for us. It will clearly be wood.
Until now, we thought it would be a solid wood house. At first, a modern log house, but after further research, we have now settled on Holz 100 or rather “Only Wood” by Rombach.
After several discussions with general contractors, carpenters, etc., we finally consulted an architect (it would then be KfW 40 standard) who told us that we would be better off with a wood frame construction.
We are generally aware of the differences, but we are not really sure and would be very grateful for your opinions.
Especially the technical pros and cons regarding energy efficiency, building ecology, wall construction...
We are planning a 130sqm (1400 sq ft) single-family house with 4 bedrooms plus a spare room... and of course kitchen and other rooms. No basement. The plot is already owned. Heating should be provided only by a masonry heater. Hot water with an on-demand water heater + photovoltaics. (If necessary, infrared heating).
The budget is clearly set at 210,000 EUR for everything. That will be challenging, of course, but we have several craftsmen in the family and plan to do quite a bit of the work ourselves.
Thank you very much...
Ralf
I am new here... and also new to the topic of “building a house.”
My wife and I have already read quite a bit, but we are not professionals.
We want to build a healthy single-family wooden house for our family of four.
The choice between wood and stone is no longer a question for us. It will clearly be wood.
Until now, we thought it would be a solid wood house. At first, a modern log house, but after further research, we have now settled on Holz 100 or rather “Only Wood” by Rombach.
After several discussions with general contractors, carpenters, etc., we finally consulted an architect (it would then be KfW 40 standard) who told us that we would be better off with a wood frame construction.
We are generally aware of the differences, but we are not really sure and would be very grateful for your opinions.
Especially the technical pros and cons regarding energy efficiency, building ecology, wall construction...
We are planning a 130sqm (1400 sq ft) single-family house with 4 bedrooms plus a spare room... and of course kitchen and other rooms. No basement. The plot is already owned. Heating should be provided only by a masonry heater. Hot water with an on-demand water heater + photovoltaics. (If necessary, infrared heating).
The budget is clearly set at 210,000 EUR for everything. That will be challenging, of course, but we have several craftsmen in the family and plan to do quite a bit of the work ourselves.
Thank you very much...
Ralf
Ralf-Bux schrieb:
The budget is clearly set at 210,000 EUR for everything. That will definitely be tight, but we have some craftsmen in the family and also plan to do a lot of work ourselves. Hi,
sorry, but with that budget, I wouldn’t go into too many details. You’re planning a great house made of wood with non-standard technology. With 210,000 EUR, it’s going to be too tight. What do you mean by the plot already being available? Is it fully serviced? What’s the point of details if you can’t afford it anyway?!
I
Irgendwoabaier13 Oct 2013 10:44Hello,
If I take some rough reference values: 130m² (1400 ft²) of living space... *1600€/m² (simple, functional fittings, roughly KfW70 standard, timber frame construction, cellulose insulation, service cavity...) – then the budget is already used up. For a target of KfW55 or even KfW40, the remaining budget is simply deeply negative. Additional construction costs are not included here. Although some thousands of euros can be saved with DIY work, it won’t be enough.
Best regards
I.
If I take some rough reference values: 130m² (1400 ft²) of living space... *1600€/m² (simple, functional fittings, roughly KfW70 standard, timber frame construction, cellulose insulation, service cavity...) – then the budget is already used up. For a target of KfW55 or even KfW40, the remaining budget is simply deeply negative. Additional construction costs are not included here. Although some thousands of euros can be saved with DIY work, it won’t be enough.
Best regards
I.
Hi, welcome to the forum.
If someone wants to do something for nature, it’s better to leave the trees standing in the forest rather than have them cut down.
If you didn’t have such high demands, you could have this house built to KfW 55 standard for 210,000, including additional construction costs and turnkey delivery. For example, made from aerated concrete. There are very good products that have received awards for ecology, being free of harmful substances, environmentally friendly, and energy-efficient manufacturing.
If you don’t like external thermal insulation composite systems (ETICS), you can choose 36.5cm (14.4 inches) thick masonry blocks, which are sufficient for KfW 70.
But I don’t want to badmouth the timber house; I’m just saying it will probably be more expensive than 210,000 due to the additional construction costs!
If someone wants to do something for nature, it’s better to leave the trees standing in the forest rather than have them cut down.
If you didn’t have such high demands, you could have this house built to KfW 55 standard for 210,000, including additional construction costs and turnkey delivery. For example, made from aerated concrete. There are very good products that have received awards for ecology, being free of harmful substances, environmentally friendly, and energy-efficient manufacturing.
If you don’t like external thermal insulation composite systems (ETICS), you can choose 36.5cm (14.4 inches) thick masonry blocks, which are sufficient for KfW 70.
But I don’t want to badmouth the timber house; I’m just saying it will probably be more expensive than 210,000 due to the additional construction costs!
Thank you first of all for the responses and the warm welcome.
We have already purchased the plot. There is still an old house on it, which will be demolished soon (not included in the 210,000). So the site is connected to utilities.
I am somewhat surprised by the assessments. Both the architect, who recommended a KfW 40 timber frame construction, and the others said that there probably won’t be many extras included, but it is definitely feasible. These were contractors who build Holz100, timber-only, or log houses. They were independent of each other and viewed the options very critically.
Now we need to decide: timber frame construction or solid wood house (Rombach).
Both the architect and the general contractor commit to us but offer different products.
Thank you once again...
We have already purchased the plot. There is still an old house on it, which will be demolished soon (not included in the 210,000). So the site is connected to utilities.
I am somewhat surprised by the assessments. Both the architect, who recommended a KfW 40 timber frame construction, and the others said that there probably won’t be many extras included, but it is definitely feasible. These were contractors who build Holz100, timber-only, or log houses. They were independent of each other and viewed the options very critically.
Now we need to decide: timber frame construction or solid wood house (Rombach).
Both the architect and the general contractor commit to us but offer different products.
Thank you once again...
You must not forget that there are turnkey houses offered and sold that are anything but move-in ready!
Also, there are KfW 40 houses that look good on paper in terms of primary energy demand calculations, but the KfW 40 standard does not necessarily mean very low heating costs. Ask your architect about a high-efficiency gas condensing boiler instead of a wood stove. Suddenly, you might not even be able to reach KfW 70.
Please don’t make the mistake of being sold the wrong thing. The U-values need to be good; otherwise, heating will cost too much and you will have less money to cover your financing.
Also, there are KfW 40 houses that look good on paper in terms of primary energy demand calculations, but the KfW 40 standard does not necessarily mean very low heating costs. Ask your architect about a high-efficiency gas condensing boiler instead of a wood stove. Suddenly, you might not even be able to reach KfW 70.
Please don’t make the mistake of being sold the wrong thing. The U-values need to be good; otherwise, heating will cost too much and you will have less money to cover your financing.
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