ᐅ How to Properly Install a Studded Membrane, Base Waterproofing, and Drainage?

Created on: 24 Nov 2018 01:10
Z
zizzi
Hello everyone,

We have a bungalow with the following wall construction:
1. Sand-lime brick, bitumen coating, rigid foam insulation in the base area around windows and doors, otherwise mineral wool
2. Air gap
3. Facing brick with a double layer of bitumen membrane in the base area.

No basement; rainwater must infiltrate on the property (soil is sandy).
A dimple membrane is intended to protect the house wall from moisture coming from the ground (I am not using a gravel bed because the bungalow has a 50 cm (20 inches) roof overhang).


Exterior wall construction site with purple insulation boards, black foundation waterproofing, concrete and soil ground.



Construction site: brick wall with pink insulation board, black waterproofing, rubble at the foundation.



Brick wall under construction on foundation, with black waterproofing and purple insulation board behind.



Brick construction site with yellow tarps, purple window frame, wheelbarrow in the foreground.



Exterior view of a masonry house with glass sliding door, construction debris and pallets on soil.



How should this dimple membrane be installed correctly?
Which side should face which way?
Is drainage necessary? Should gravel be placed below or above the drainage? What happens at the beginning and end of the drainage system? Should it be connected to the rainwater downpipe or…?
Geotextile fabric?

How have you done it? (maybe a sketch?)

Best regards
C
Caidori
25 Nov 2018 10:42
Hey,
we’re currently working outside as well, and the drainage membrane basically stays in place on its own. Lay it against the house, add a shovel of gravel, and then simply fill in while spreading the gravel.

I also think your planning looks good overall, especially the wide paths and such. When it comes to plants, you just have to choose what you like and what fits.
We also have thuja as a hedge and will plant some new shrubs where the hedge needs to be extended. They are very low-maintenance and, in my opinion, quite hardy. What I really like is that many birds live in them.

If you want, I can upload pictures tomorrow.
Best regards
D
does02
26 Nov 2018 08:33
Hello,

I noticed that the sealing of your floor-to-ceiling windows does not comply with technical standards. Among other things, the sealing between the masonry and the base profile is not continuous. If you raise your terrace to that level, moisture could penetrate between the slab and the window.
Z
zizzi
26 Nov 2018 12:07
does02 schrieb:
Hello,

I noticed that the waterproofing of your floor-to-ceiling windows does not comply with standard technical guidelines. For example, the sealing between the masonry and the base profile is not continuous. If you raise your terrace to that level, moisture could penetrate between the slab and the window.

Is this the bitumen strip you mean?


Corner of a brick wall with purple insulation panels, black waterproofing, and gravel at the foundation.
D
does02
26 Nov 2018 12:20
No.

Just search for "Der vergessene Anschluss" by Wetzel on this topic.
Z
zizzi
26 Nov 2018 13:37
Thank you for the tip...
Z
zizzi
26 Nov 2018 16:45
does02 schrieb:
No.

Try googling "The Forgotten Connection" by Wetzel on this topic.

I have filed a complaint and requested a correction. Later, I spoke by phone with the company manager. He said, "That will be done, the roofers will take care of it." What can the roofers do when the windows and doors are already installed, and the brick cladding is in place? (I asked)
Is that correct, or was he just talking nonsense?
I even have photos of the current condition...

Window reveal: brick wall, sealant, insulation material; hand touching edge.


White plastic window frame with protective film in brick wall; sealant and concrete floor visible.


New door in brick facade; frame with REHAU protective tape, sealant at the bottom on the floor.