ᐅ Installing awnings in a "challenging" mounting situation

Created on: 19 Jul 2020 14:08
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Effe2020
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Effe2020
19 Jul 2020 14:08
I hope I have chosen the right subforum, as my question doesn’t perfectly fit anywhere.

We are planning to install one or two awnings above our terrace. It is a multi-family building, and we have a ground-floor apartment with a continuous terrace area, as wide as our living space (see pictures). Above part of it is the balcony of the apartment above (width approximately 4m (13 feet); the awning would be about 3.5m (11.5 feet) wide and 3–3.5m (10–11.5 feet) deep), while the other area is uncovered (width about 5m (16.5 feet); the awning would be 4.5m (15 feet) wide and 3.5–4m (11.5–13 feet) deep). Since our terrace faces roughly south-southwest, we would ideally like to have an awning over both areas, as the balcony offers only little sun protection during the day. However, the uncovered area is more important. So far, we have obtained quotes from local specialist companies. They also examined the situation on site, as the installation is somewhat complicated (as it turned out later). These companies should know what they are doing, but so far we have not felt completely confident about any of the proposed solutions or fully convinced. Therefore, we would appreciate additional opinions about the possible installation methods.

Uncovered terrace area:

The “installation issue” with the uncovered terrace area is that the first-floor apartment has floor-to-ceiling windows spanning the entire width (see pictures as well). These floor-to-ceiling windows naturally have fall protection barriers. Because of these barriers, the awning cannot be attached directly to the wall.

One company (which installs Klaiber awnings) suggested mounting the awning directly onto the brackets/supports of the fall protection barriers on the floor-to-ceiling windows. What do you think about this? I have a feeling these supports are probably not designed to also carry the weight of an awning!? We were told to ask the construction company about this, but there is no cooperation or assistance available. Additionally, the awning would be quite large at 4.5m x 4m (approximately 14.75 ft x 13 ft) (fully extended 18m² (194 ft²)). That must be a considerable weight.

Another company (which installs Hella awnings) proposed having custom spacer brackets fabricated by a metalworker and then attaching the awning to the wall. I actually prefer this option, but custom-made brackets? Are there no ready-made solutions from the awning manufacturers that are approved for this? Also, there is the question regarding the external thermal insulation composite system (ETICS, or “external wall insulation”). These custom spacer brackets would be attached to the wall, but the insulation is not load-bearing material. Can it handle these loads at all? The company said that nowadays you can’t remove the ETICS, but there are special anchor bolts for this. I looked it up, and such anchors do exist, but wouldn’t these brackets need to be fastened directly to the concrete behind the insulation? Presumably, just like the fall protection brackets, which come out of the wall, I assume this is how it should be done. Otherwise, the screws would have to go from the anchor in the concrete through the insulation before holding the spacer brackets. This would create quite a lever effect because the insulation is quite thick nowadays, and the screws have no grip in it. It would feel like hanging a heavy object 15–20cm (6–8 inches) away from the wall, only supported by screws. Or am I misunderstanding something?

As a layperson, I would suspect the best option is to remove some of the insulation, then fasten the spacer brackets underneath the insulation directly to the concrete, and then close the insulation again. After that, mount the awning on these spacer brackets.

Covered area:

There is no problem with the insulation here, but the same issue regarding the distance applies. Here, it is the fall protection of the balcony instead of the windows, as unfortunately it is a prefabricated balcony and not a “built-on” balcony. Basically, the question is where and how it should be best attached here. Also with custom spacer brackets?

I would greatly appreciate expert advice. I am also open to tips regarding awning manufacturers (How do Klaiber and Hella compare?). I often see Markilux, Weinor, and Warema described as top brands. I have read less about Hella and Klaiber so far.
tomtom7919 Jul 2020 14:29
Floor-to-ceiling windows mean there is at least 15cm (6 inches) of screed there. And only then the floor slab above it.
I can’t imagine that the fall protection extends into your area.

What type of wall is underneath the insulation? Fixing into the insulation is not a problem but does have its limits; however, a professional company should be able to handle this without any issues.
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kbt09
19 Jul 2020 14:48
@Effe2020 ... but the pictures you promised are not attached to the post now.
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Effe2020
19 Jul 2020 14:55
Oh no, attaching the images didn’t work. Here’s another try:


Garden terrace of a house with dining table and chairs, red slide, and balcony above.



Modern white house facade with large windows, blinds, balcony, and string lights on the left



Apartment terrace with dining table, chairs, purple parasol, and wooden boxes


tomtom79 schrieb:

Floor-to-ceiling means there is at least 15cm (6 inches) of screed. Then comes the floor slab.
I can’t imagine the fall protection extends into your area.

What kind of wall is under the insulation? Fixing into the insulation is not a problem but has its limits; a professional company should be able to handle it without issues.

So, on our ground floor the floor structure starts with 14cm (5.5 inches) of concrete, and on the first floor it’s a thinner 12cm (4.7 inches).
The fall protection is most likely attached to the floor slab because just below you can hear the shutter box when tapping.
I believe the wall or the floor slab is reinforced concrete.
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nordanney
19 Jul 2020 16:53
Are you even allowed to install an awning in your homeowners association?
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Effe2020
19 Jul 2020 16:58
nordanney schrieb:

Are you even allowed to install an awning in your homeowners association?

Yes, this has all been clarified already. Everyone is allowed to install awnings, but they must follow a specific color scheme. Someone on the first floor already has one, but their installation situation is different. Our "problem" applies exclusively to the ground floor apartments.