Good evening everyone!
We are currently about to submit the building notification in Bovenden, just north of the city boundary of Göttingen (Lower Saxony), and we just had our architectural meeting with the architect from our home builder FIBAV.
During the meeting, the topic of roller shutters briefly came up, and we said that we do not want any.
The response was that we should or must consider an alternative type of sun protection.
For us, the issue was settled: we currently live in a rental apartment owned by a Göttingen housing cooperative, first occupied in 10/2014, without roller shutters.
However, afterwards I felt somewhat concerned and asked by email.
The very quick reply was:
“Summer heat protection according to DIN 4108 Part 2 is mandatory and is calculated by [...].
This shows which rooms must be equipped with shading.
Provisions for possible later shading systems can be integrated into the façade either before or after construction.
Please discuss this with your construction manager. He can then coordinate it with the trades.”
It’s good to know that summer heat protection according to the standard is mandatory—also to prevent the majority of people from retrofitting energy-intensive air conditioning later, no question.
But is summer heat protection also a legal or otherwise mandatory requirement, or can we omit it without facing any sanctions—worst case, a forced retrofit?
If summer heat protection is somehow a sanctionable obligation: does it have to be an external shading system?
My wife cannot live without curtains, so we already have some form of interior sun protection—of course less effective than external shading, but present.
We will not install an air conditioning system later...
Regardless of whether it is mandatory: What are the most cost-effective options for reasonably effective heat protection?
Or is that already provided by curtains?
Best regards,
Christian
We are currently about to submit the building notification in Bovenden, just north of the city boundary of Göttingen (Lower Saxony), and we just had our architectural meeting with the architect from our home builder FIBAV.
During the meeting, the topic of roller shutters briefly came up, and we said that we do not want any.
The response was that we should or must consider an alternative type of sun protection.
For us, the issue was settled: we currently live in a rental apartment owned by a Göttingen housing cooperative, first occupied in 10/2014, without roller shutters.
However, afterwards I felt somewhat concerned and asked by email.
The very quick reply was:
“Summer heat protection according to DIN 4108 Part 2 is mandatory and is calculated by [...].
This shows which rooms must be equipped with shading.
Provisions for possible later shading systems can be integrated into the façade either before or after construction.
Please discuss this with your construction manager. He can then coordinate it with the trades.”
It’s good to know that summer heat protection according to the standard is mandatory—also to prevent the majority of people from retrofitting energy-intensive air conditioning later, no question.
But is summer heat protection also a legal or otherwise mandatory requirement, or can we omit it without facing any sanctions—worst case, a forced retrofit?
If summer heat protection is somehow a sanctionable obligation: does it have to be an external shading system?
My wife cannot live without curtains, so we already have some form of interior sun protection—of course less effective than external shading, but present.
We will not install an air conditioning system later...
Regardless of whether it is mandatory: What are the most cost-effective options for reasonably effective heat protection?
Or is that already provided by curtains?
Best regards,
Christian
13 roller shutters 4,500€ from the window manufacturer including motors.
6 venetian blinds 4,200€ including motors (2 of them are 3m (10 feet) wide).
Additionally, the boxes together cost approximately 2,700€.
On the electrical side, I can't give an exact figure due to KNX integration, as synergies apply here. 3 jalousie actuators at about 250€ each plus wiring, weather station, switches, etc. It's difficult to specify precisely.
6 venetian blinds 4,200€ including motors (2 of them are 3m (10 feet) wide).
Additionally, the boxes together cost approximately 2,700€.
On the electrical side, I can't give an exact figure due to KNX integration, as synergies apply here. 3 jalousie actuators at about 250€ each plus wiring, weather station, switches, etc. It's difficult to specify precisely.
HilfeHilfe schrieb:
I don’t want to complain, but that would be like buying an Audi with a pop-out window ...A fixed window that couldn’t be opened at all would be even more ridiculous, right?
crion schrieb:
The still, in my opinion, not fully clarified question: Based on which paragraph(s) *is* it mandatory to install sun protection in a new build?Then check here: xxx.Energie-m.de/Info/Nachweis-sommerlicher-waermeschutz.HTML
I don’t understand why some people have such an issue with using straps. On the ground floor, I have electric venetian blinds, and on the upper floor, roller shutters. To keep the exterior appearance consistent and make the venetian blinds and roller shutters the same color, I chose aluminum shutters. To save some money upstairs, I decided to go with straps. The straps are hidden behind curtains, and operating them is easy and quick—I never wanted full automation in my house anyway. Who decided that straps are no longer allowed in new constructions nowadays?
Straps have the issue of creating multiple small openings to the outside. If you want or even need good results in a blower door test, this can be a problem. I believe this is often why straps are viewed negatively.
Whether mechanical or electrical, for me, a house without external shading would be a reason not to buy it.
Whether mechanical or electrical, for me, a house without external shading would be a reason not to buy it.
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