Balcony sealing (Schöck Isokorb) for pedestal installation

  • Erstellt am 2020-10-06 18:46:33

Joscha15

2020-10-06 18:46:33
  • #1
Hello everyone,
we finally need to finish our balcony. The building is a sand-lime brick building with thermal insulation. The balcony is cantilevered, so there is no building underneath. It was built with Schüco baskets and is 17 m long, about 2.4 m wide. The balcony/house connection was sealed with Kemperol before moving in. The rest of the balcony consists of concrete slabs. A slight slope is already present due to the baskets. Therefore, no water remains standing when it rains.
Since we have to pay attention to the weight and need a 13 cm build-up, pedestals and slabs should be installed.
Questions:
1. Does a slight slope still need to be created?
2. What do you think about sealing with 2-component / sealing slurry?
It has to be affordable given the many square meters; preferably something to paint/roll on, as a stainless steel railing is already installed and should be sealed around.
Best regards and thanks in advance for the input,
Petra
 

Jann St

2020-10-26 21:59:57
  • #2
Hi

Two questions in advance:
What is the window situation? Do you have a gutter? What kind of surface do you have?
How is the water drained? So where does it go into the downpipe?

Basically, the surface should have a minimum slope of 1% away from the house and toward the drain.
If the balcony naturally has a slope (due to the insulation baskets because it has settled), a slope at the bottom is not absolutely necessary. According to the standard, however, it should be 2%.

You definitely have to waterproof it. Best with sheets. If it is supposed to be slurry, apply it thick enough. I don’t know how well it is compatible with the liquid plastic. How was the insulation brought onto the balcony?

That’s it for now. Best regards, Jann
 

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