Keep soil away from the house with plates

  • Erstellt am 2022-11-13 14:18:01

Tolentino

2022-11-14 13:43:16
  • #1
I am an amateur myself, but since something was done wrong on the first layer of sealing on the base plaster in my case, I am pretty sure that you are not allowed to apply a sealing to an existing plaster if it is to comply with standards. That means to be 100% sure the plaster must be removed from 15cm above the desired ground level, then sealing applied, and then the desired surface applied. Any panels without "air in between" do not work because water could be drawn into the space in between (capillary forces). So if at all, you have to create a real trench that you could then cover. But whether that is ultimately cheaper, I dare to doubt.
 

SaniererNRW123

2022-11-14 13:49:43
  • #2

From your other thread, it appears that you want to backfill up to 100 cm.
Then you can
- work with L-shaped stones
- work terraced with planting stones

Everything else is rubbish.

100 cm of soil already requires proper static capabilities...

Your panels also have to withstand quite a lot. But I see the big problem more in the fact that rainwater will diligently get behind the construction. Either from above, from the side (from the backfilled soil), or maybe even from below. Unfortunately, despite several requests, you have not provided any pictures so far to assess the situation.

For me, only the KMB variant is an option. Properly seal and have peace of mind.
 

DerToni

2022-11-14 20:53:24
  • #3
Thank you to everyone who has responded so far. Including the small forum rant (which I probably deserved). I had already written that I had posted about this several times, but I am getting through this very unsatisfactorily here. And I can’t be the only one who gets something different from every “expert” on a construction topic.

That I have already been asked for pictures at various places must have escaped me. However, I don’t really know if I can provide anything meaningful.

Here are two pictures anyway. In the picture with the light wells, L-shaped stones will still be installed (the iron rods are a guide), and the area between the L-shaped stones and the house will then be backfilled.
In the second picture, the ground is supposed to be roughly filled up to under the window sills.

The white walls in each case are what should be treated/protected

 

Tolentino

2022-11-14 21:04:17
  • #4
I stick to my opinion. Plaster must be removed and then KMB or flexible sealing slurry applied. After that, the usual suspects either insulation + stud membrane or directly stud membrane. What kind of stud membrane depends again on the floor and its water behavior.
 

SaniererNRW123

2022-11-14 21:22:08
  • #5
I don’t know if the plaster needs to come off. Otherwise, I agree with you.
 

Tolentino

2022-11-14 21:25:33
  • #6
According to my expert, that must... The plaster cannot withstand constant moisture; if you now apply the sealing on the plaster, moisture (from below) will still get through. It will then absorb moisture through capillary action. Just putting a board in front is probably even worse.
 

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