House with or without a basement? - Experiences

  • Erstellt am 2009-09-29 00:34:40

Stefan_B

2010-01-28 12:59:42
  • #1
Hello Sandra,

the structure of the layers is quite simple: the outermost layer, which is in contact with the soil, consists of durable plastic (PE) and is thermally welded. It basically acts like a rubber boot for the house. The second layer ensures breathability and the removal of condensate/sweat water. One advantage of this system is that it guarantees waterproofing - not just water resistance. For laymen, it's all the same, but actually there is an important difference! Water resistance, as promoted by the "white tank," applies only to liquid water. In its gaseous state (vapor), water still manages to enter the basement over time. The plastic layer also provides protection against this, as it is vapor diffusion impermeable (it does not allow gaseous water to pass through). I hope I could help you with this.

Best regards, Stefan
 

Stefan_B

2010-01-28 13:05:43
  • #2
Hello parcus,

the work is currently not available for free access.
I don’t quite understand at the moment what you want to know from me

Room climate and white tank - I think of diffusion. Surely there are vapor barriers, but they also do not provide permanent protection.

Best regards
Stefan
 

parcus

2010-01-28 13:23:45
  • #3
Hello Stefan,

the aforementioned system only complies with DIN 18195, Part 6.

Seals against externally pressing water and rising seepage water; design and execution.

Quotation from the literature on "white tank":

Water vapor molecules migrate from the place of higher water vapor concentration to the place of lower water vapor concentration (different water vapor pressure), i.e., in the case of the “white tank” from outside to inside. Studies by Klopfer and Lohmeyer have shown that the amount of water vapor diffusing in is very low, about 0.4 - 0.5 g/(m²d). The impact on the total moisture content is therefore insignificant.
Conclusion:
With proper planning and correct execution, WU components are unproblematic even with usage similar to residential.

Best regards
 

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