Hi,
we are currently in the planning phase for our small wooden house.
Our architect wants to design our staircase according to standard 18065, but this does not match our size preferences.
We want a straight staircase with a length of 250cm (98 inches)... according to the standard, we would have to extend it to at least 290cm (114 inches). The width of 100cm (39 inches) remains unchanged.
Now to our question: Does a staircase in Lower Saxony have to be designed/built according to standard 18065?
In the technical building regulations, I found this paragraph.
Regarding DIN 18065
I could not find a clear answer as to whether I have to comply with the standard.
we are currently in the planning phase for our small wooden house.
Our architect wants to design our staircase according to standard 18065, but this does not match our size preferences.
We want a straight staircase with a length of 250cm (98 inches)... according to the standard, we would have to extend it to at least 290cm (114 inches). The width of 100cm (39 inches) remains unchanged.
Now to our question: Does a staircase in Lower Saxony have to be designed/built according to standard 18065?
In the technical building regulations, I found this paragraph.
Regarding DIN 18065
- 1. The introduction excludes the application to staircases in residential buildings of building classes 1 and 2 and in apartments.
I could not find a clear answer as to whether I have to comply with the standard.
-LotteS- schrieb:
We have visible spruce planks both inside and outside. I would use that only as an accent inside.
-LotteS- schrieb:
so you don’t get the feeling that the walls are overwhelming you... [...] In general, you need to choose the interior differently when you have wooden walls, because not every type of parquet flooring or furniture finish matches the walls. Exactly why.
-LotteS- schrieb:
We also have cross beams at 4.50m (15 feet) intervals, which we use almost like "room dividers." They are only 15cm (6 inches) thick inside and outside... But they were necessary because otherwise the risk of twisting would be too high... That is related to traditional construction methods and is structurally resolved in more modern designs.
-LotteS- schrieb:
I’m talking about a log house made of planks, from inside to outside: 10cm (4 inches) spruce / 20cm (8 inches) blown-in insulation / 5.8cm (2.3 inches) spruce. That can work, but it’s a state-of-the-art solution from one of the more recent timber construction trade fairs.
-LotteS- schrieb:
Many things listed in the building specification as “to be provided by the client” turned out to be much more complex than expected—and of course require completely different tools. Sure, you can’t just use filler, the fasteners are different, but what else?
Timotheus schrieb:
The walls are already prefabricated and are almost free of settling due to tensioning.
The wall is designed as a composite wall: plank with rafters, insulation, and then the installation layer. So, panelized construction—is that what “plank with rafters” means?
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H
hanghaus202317 Nov 2024 19:33@Timotheus I'll link the post from @-LotteS-, or have you already found it yourself?
https://www.hausbau-forum.de/threads/grundrissplanung-einfamilienhaus-massivholzbauweise-140qm-in-niedersachsen.44745/#post-611989
https://www.hausbau-forum.de/threads/grundrissplanung-einfamilienhaus-massivholzbauweise-140qm-in-niedersachsen.44745/#post-611989
hanghaus2023 schrieb:
As long as you use it only for yourself, it is unlikely to bother anyone. But if a child were to fall, it becomes a different matter. The architect pointed out the standard to you. In that case, they are no longer liable. My son fell down our stairs and broke his arm. The health insurance questionnaire asked whether the staircase complied with the building regulations in effect at the time of construction. I replied that I could only answer once they send me the regulations from 150 years ago.
I can imagine that with very high consequential costs (disability insurance, long-term care, death), insurers will do everything possible to avoid paying.
T
Timotheus18 Nov 2024 17:35We visited several stair studios today.
All consultants said that we need to comply with the DIN standard, but the building authority will not really enforce it.
Regarding the primary escape route, the standard must also be met, with a minimum width of 80cm (31.5 inches).
In the end, everyone advised us to choose a quarter-turn staircase. This type is naturally a bit steeper to meet our preferences. However, it is really, really comfortable for us.
All consultants said that we need to comply with the DIN standard, but the building authority will not really enforce it.
Regarding the primary escape route, the standard must also be met, with a minimum width of 80cm (31.5 inches).
In the end, everyone advised us to choose a quarter-turn staircase. This type is naturally a bit steeper to meet our preferences. However, it is really, really comfortable for us.
H
hanghaus202319 Nov 2024 10:19I don’t understand you. Here, everyone tells you that the staircase is too steep. The architect and the stair-building companies tell you to comply with the standard.
But you are making it a bit steeper after all?
Timotheus schrieb:
This one is naturally a bit steeper to meet our wishes. But for us, it is really, really comfortable.
But you are making it a bit steeper after all?
S
Schorsch_baut19 Nov 2024 10:52May I ask how old you are? Until my late 30s, I also thought that stairs only become a problem after turning 70. I am now in my mid-40s and notice that stairs are less enjoyable. My wife has felt this for longer due to injured cruciate ligaments.
This is partly due to the eyes, which develop quirks after 25 years of screen exposure, causing depth perception – especially in non-laboratory lighting – to no longer function well. On the other hand, the muscles, despite or perhaps because of training and slow recovery, no longer perform as they used to. After an 80 km (50 miles) bike ride, I walk the next day as if I had completed a mountain stage of the Tour de France. The last thing I would want to build into my home is a “it’ll probably be fine” staircase – neither for design nor cost reasons. The official standards actually make sense, as they are based on experience and ergonomics.
This is partly due to the eyes, which develop quirks after 25 years of screen exposure, causing depth perception – especially in non-laboratory lighting – to no longer function well. On the other hand, the muscles, despite or perhaps because of training and slow recovery, no longer perform as they used to. After an 80 km (50 miles) bike ride, I walk the next day as if I had completed a mountain stage of the Tour de France. The last thing I would want to build into my home is a “it’ll probably be fine” staircase – neither for design nor cost reasons. The official standards actually make sense, as they are based on experience and ergonomics.
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