First of all:
a garage is a secondary space. Therefore, waterproofing against rising damp is not necessarily required.
Unless there is a living space beneath the garage.
However, in the sketch (screed on separation layer without thermal insulation), this can be excluded (based on the information provided).
A drainage line connected to the house drainage system should be installed between the (paved) outdoor area and the garage floor connection. This is to prevent rainwater from entering the garage.
With this in place, the entire discussion about waterproofing (highlighted in red in the sketch) becomes irrelevant!
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Good luck: KlaRa
a garage is a secondary space. Therefore, waterproofing against rising damp is not necessarily required.
Unless there is a living space beneath the garage.
However, in the sketch (screed on separation layer without thermal insulation), this can be excluded (based on the information provided).
A drainage line connected to the house drainage system should be installed between the (paved) outdoor area and the garage floor connection. This is to prevent rainwater from entering the garage.
With this in place, the entire discussion about waterproofing (highlighted in red in the sketch) becomes irrelevant!
------------------
Good luck: KlaRa
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