Cast again in the basement after sewer replacement.

[Singh]

Want to seal the basement after replacing the drain. I wonder which material I should use and which is good and stable.
Attached image.

 

[fribygg]

Grovbetong

 

[Claes Sörmland]

Or fine concrete if the slab is less than 5 cm.

Concrete is troublesome to transport home and mix, and gravel is easy to get home and shovel into the hole. So fill up with gravel so you don't need to cast such a thick slab. Easier to break up later too, the day the drain needs to be replaced again.

 

[Singh]

Or fine concrete if the layer is less than 5 cm.

Concrete is difficult to transport home and mix, and macadam is easy to get home and shovel into the hole. So fill up with macadam so you don't need to pour such a thick layer. Easier to break up later when the drain needs to be replaced next time.

Can you fill with leca balls and then EPS- concrete??

 

[Anonymiserad 405730]

Can you fill with leca balls and then EPS- concrete??

No, that's not a good idea, EPS concrete should be covered with leveling compound or concrete.
Fill with macadam and cast it just as thick as it was before with coarse concrete and pin in some iron..

 

[Claes Sörmland]

Leca balls do no harm compared to macadam?

 

[Anonymiserad 405730]

No, absolutely no harm but I don't see the need for it, it's probably a more expensive product too..

 

[cpalm]

The simplest and cheapest way is to fill up with the same material that was excavated.

 

[Singh]

No, absolutely no harm, but I don't see the need for it, it's probably a more expensive product too..

What size macadam should I buy? Do I need to lay any fabric before or after?

 

[Anonymiserad 405730]

If you have 8/16 or 16/32 it doesn't really matter, no ground cloth is probably unnecessary if it wasn't there before..

 

[fribygg]

Or fine concrete if the layer is less than 5 cm.

Concrete is difficult to transport home and mix, and macadam is easy to get home and shovel into the hole. So, fill up with macadam so you don't have to cast such a thick layer. Easier to break up later too when the day comes to replace the drain again.

Small bags of concrete delivered home on a pallet by truck are incredibly convenient.

The simplest and cheapest way is to fill up with the same material you dug up.

Certainly. And order home concrete in small bags that are easy to handle and mix.

 

[Ludde Jakobsson]

And mix in the basement near where you will use the concrete. Not outside.. That way you won't have to carry water.

 

[cpalm]

And mix in the basement near where you will use the concrete. Not outdoors..

The person responsible for cleaning in the household, however, might have a differing opinion 😉

 

[Ludde Jakobsson]

The person in charge of cleaning the household might have a differing opinion 😉

If I look at the pictures, it doesn't seem to be a problem..

 

[Larsa]

I filled with Leca. It's convenient to buy a few bags compared to getting a load of crushed stone delivered home. Then I poured coarse concrete about 10cm thick, laid a thin layer of foam insulation in between so the concrete wouldn't seep down into the Leca. Mixed outside and wheeled it in with a wheelbarrow. Convenient if you set up a mixing station.