ᐅ Modernist Concrete Villa with Cavity Wall Insulation – Experiences
Created on: 11 Sep 2018 07:32
R
rick2018
Hello everyone,
I just wanted to briefly introduce myself and say thank you.
For about a year and a half, I have been a silent reader here to gather inspiration and especially to gain more knowledge about construction technology.
Now a bit about me:
After more than a year of searching for a plot of land, I was able to purchase one from a developer who couldn’t move forward quickly with his plans.
So we found our dream plot (good location, 2500 m² (0.62 acres), slight slope, underground private spring that we have to preserve and are allowed to use).
There was an old house on the property, which we have since demolished.
There is no zoning plan, so §34 applies. During an initial informal inquiry at the building authority, almost everything we planned was rejected.
So we submitted an official preliminary building inquiry, involved the right people, and had lengthy discussions. In the end, we received a positive decision.
Therefore, there is nothing standing in the way of the building permit. The building permit should be granted within the next few weeks as there are no changes from the preliminary inquiry.
My wife (37) and I (36) want to build a Bauhaus-style villa in southern Baden-Württemberg.
It will be constructed from concrete (with core insulation) or in combination with insulated precast elements.
A lot of glass (full-glass system), textile shading, KNX, fast network both wired and wireless, strong mechanical ventilation with additional cooling coils, stainless steel pool, large cistern, and more.
The electrical planning must be 100% spot on since it’s almost impossible to make changes afterward.
Since I am friends with an architect from a larger firm, it was clear which route we would take. Such a house can basically only be realized with an architect.
I also personally know the electrician and KNX system integrator, as well as the owners and work approach of the heating, plumbing, and ventilation companies involved.
Some trades have already been contracted, and part of the equipment has already been ordered.
I’m really looking forward to getting started and to the final result. The goal is to move in by the end of 2019.
Once again, many thanks for the information I have received from you so far.
If you have any questions, just let me know.
Attached is the design, though not the final version. There have been a few minor changes.
Greetings from Swabia
I just wanted to briefly introduce myself and say thank you.
For about a year and a half, I have been a silent reader here to gather inspiration and especially to gain more knowledge about construction technology.
Now a bit about me:
After more than a year of searching for a plot of land, I was able to purchase one from a developer who couldn’t move forward quickly with his plans.
So we found our dream plot (good location, 2500 m² (0.62 acres), slight slope, underground private spring that we have to preserve and are allowed to use).
There was an old house on the property, which we have since demolished.
There is no zoning plan, so §34 applies. During an initial informal inquiry at the building authority, almost everything we planned was rejected.
So we submitted an official preliminary building inquiry, involved the right people, and had lengthy discussions. In the end, we received a positive decision.
Therefore, there is nothing standing in the way of the building permit. The building permit should be granted within the next few weeks as there are no changes from the preliminary inquiry.
My wife (37) and I (36) want to build a Bauhaus-style villa in southern Baden-Württemberg.
It will be constructed from concrete (with core insulation) or in combination with insulated precast elements.
A lot of glass (full-glass system), textile shading, KNX, fast network both wired and wireless, strong mechanical ventilation with additional cooling coils, stainless steel pool, large cistern, and more.
The electrical planning must be 100% spot on since it’s almost impossible to make changes afterward.
Since I am friends with an architect from a larger firm, it was clear which route we would take. Such a house can basically only be realized with an architect.
I also personally know the electrician and KNX system integrator, as well as the owners and work approach of the heating, plumbing, and ventilation companies involved.
Some trades have already been contracted, and part of the equipment has already been ordered.
I’m really looking forward to getting started and to the final result. The goal is to move in by the end of 2019.
Once again, many thanks for the information I have received from you so far.
If you have any questions, just let me know.
Attached is the design, though not the final version. There have been a few minor changes.
Greetings from Swabia
I took a look at the construction method used by Bruder. They have two additional sealing layers, even with waterproof concrete...
So, it shouldn’t cause any problems within my lifetime.
During discussions with the roofer, we made it clear that we want a top-quality build-up. That’s probably why multiple sealing layers were applied...
We only decided to skip the more expensive insulation (with aluminum facing and better U-value).
So, it shouldn’t cause any problems within my lifetime.
During discussions with the roofer, we made it clear that we want a top-quality build-up. That’s probably why multiple sealing layers were applied...
We only decided to skip the more expensive insulation (with aluminum facing and better U-value).
Nobody intends to build a wall
Recently, heavy machinery was working on our site again. The first part of our enclosure or retaining wall was installed.
Through a colleague of my wife, we received a tip and can now access free soil. We only pay (proportionally) for transport and placement. Once the wall is concreted and the rear retaining wall is in place, we will start backfilling (approx. 2 weeks). After that, we will continue with the front enclosure.
Inside, the wall will only have a maximum height of 80 cm (31 inches). We will initially bring in about 800 m³ (1,050 cubic yards). Together with the topsoil, we will need roughly twice that amount.
At the moment, the goal is to shape the terrain a bit, create paths for the machinery, and obtain the free material.
Today, the weather was unpleasant, so the roofers have stopped work until next week. Understandable and no problem.
The garage door is expected tomorrow. The pool has been postponed to mid-June.
Inside, drywall and HVAC installation continue. The electrician will also start working in one to two weeks.
The photos were taken on two different days.

Recently, heavy machinery was working on our site again. The first part of our enclosure or retaining wall was installed.
Through a colleague of my wife, we received a tip and can now access free soil. We only pay (proportionally) for transport and placement. Once the wall is concreted and the rear retaining wall is in place, we will start backfilling (approx. 2 weeks). After that, we will continue with the front enclosure.
Inside, the wall will only have a maximum height of 80 cm (31 inches). We will initially bring in about 800 m³ (1,050 cubic yards). Together with the topsoil, we will need roughly twice that amount.
At the moment, the goal is to shape the terrain a bit, create paths for the machinery, and obtain the free material.
Today, the weather was unpleasant, so the roofers have stopped work until next week. Understandable and no problem.
The garage door is expected tomorrow. The pool has been postponed to mid-June.
Inside, drywall and HVAC installation continue. The electrician will also start working in one to two weeks.
The photos were taken on two different days.
B
Bauherr am L28 Jan 2020 21:32rick2018 schrieb:
We will first bring in about 800m³ (1,050 cubic yards). Including the topsoil, we will need roughly twice that amount in total.Which area (roughly) is your construction site again? We have a lot of soil (including topsoil) lying around here.
What is a “heap”? The site manager there also didn’t believe us that we would take everything and still have space left.
We are in Baden-Württemberg (BW), so it's too far away. Also, the soil we are getting is not nearby and requires significant transport. About 100 truckloads.
More than half an hour of travel time doesn’t make sense because then it’s cheaper to buy and have the material delivered directly.
The current situation is a win-win. Once we give the green light (and the weather cooperates), excavation will start there and be brought directly to us. We will then install it immediately. So no multiple loading/unloading, no intermediate storage...
We are in Baden-Württemberg (BW), so it's too far away. Also, the soil we are getting is not nearby and requires significant transport. About 100 truckloads.
More than half an hour of travel time doesn’t make sense because then it’s cheaper to buy and have the material delivered directly.
The current situation is a win-win. Once we give the green light (and the weather cooperates), excavation will start there and be brought directly to us. We will then install it immediately. So no multiple loading/unloading, no intermediate storage...
B
Bauherr am L28 Jan 2020 21:45About 600 cubic meters (21,190 cubic feet)... quite a substantial amount indeed
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