Permanent joints for paving around the house?

  • Erstellt am 2019-06-06 15:40:17

Nordlys

2019-06-10 10:26:29
  • #1
He stays tough. No one uses a pressure washer here. Whether it is permeable, I don’t know, and I don’t care.
 

Illo77

2019-06-12 16:02:45
  • #2
Tubag has very good products, just like GFTK. Those based on plastic resin are water-permeable, while those based on cement are water-impermeable.

I myself have used GFTK, on the terrace the VDW 800 in basalt (joint width of 15 mm with polygonal concrete paving).

It is super easy to work with and I have had it for 5 years now, every year thorough cleaning with a high-pressure cleaner with a surface cleaner, no rinsing out, no damage.

Ultimately, all other products such as PCI, Baumit, Sakret, Romex, DanSand and co are probably no worse.

In the yard area, due to joints that are too narrow (1-2 mm), I only sprinkled quartz sand and soaked it with a joint binder; although it is actually only for walkable surfaces, it has worked well so far, probably because my substructure is nice and hard and solid with fine concrete recycling gravel as the bedding layer.
 

Kaspatoo

2019-06-12 20:17:35
  • #3
was at the building materials dealer again today.
He didn’t know Dansand, but he did know the resin-based ones. He said that, in principle, they are permeable to water, but that would not meet the eco-standard officially required for lower wastewater fees. But possibly no one asks about that there either.
And from personal experience in the house’s own sample garden, weeds also grow there after several years, which is due to the accumulation of soil on top and it getting overgrown, unless you, for example, clean it with a pressure washer every year or spray algae remover.

I will also stick with the normal 1-3 split.
 

guckuck2

2019-06-12 21:21:59
  • #4
It is a misconception that, for example, permeable paving is automatically exempt from the stormwater fee. That depends individually on the statutes. Here with us, you pay in full anyway, since it is based on the paved area and not on the material.
 

Kaspatoo

2019-06-12 22:26:53
  • #5
then just:
but that would not meet the eco-standard officially required for lower wastewater fees, if the city offers it at all.

that's how it is with me
 

Illo77

2019-06-13 10:51:10
  • #6
So, it is not true that weed still grows in a fixed joint. If it does, then errors were made during installation and the joint was not completely filled; for example, if you leave half a centimeter open at the top, dirt, soil, seeds accumulate there, and then it grows.

It can only be the case that with paving stones with a rounded surface, such as the Nordland paving stones from Berding Beton, made in the style of an old village street, dirt collects in the large rounded chamfers between the stones, which preferably leads to moss growth if you do not sweep the surface. But since you have a fixed joint, cleaning is very easy, whether with a street sweeper, broom, or high-pressure cleaner. For example, I myself have some moss between the stones of this type in front of my carport due to standing moisture, only shady location, and a lot of dirt from the trees. See the photo of the gray/anthracite in the attachment, taken back then after installation, where you can clearly see the rounded edges.

But with normal sharp-edged paving stones, with normal or micro chamfers, not enough dirt remains to allow weed to grow there at all—see the photo of my terrace with the yellow/beige polygonal concrete paving stones, where the joint is slightly deeper than the stone.

In that case, it can only be that the substructure is too weak, causing the stones to sink and the fixed joint to break open; then weed naturally grows through quite clearly.

By the way, DanSand has become known for joint sand, stone meal, etc., but these were only dry infill products; I have not yet experienced their joint mortar myself.
 

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