Ask Builders
Add question
  • Questions
  • Tags
  • Builders
  • Help

What to fill the 2 meter deep spaces under the new terrace with?

Asked 3 years ago.
Active 3 years ago.
Viewed 3485 times.
  • floor
  • terrace
2

Underneath the planned terrace is currently a room with a 5K oil tank, which will soon be removed since we are heating with gas. I would like to fill and compact this space (2m deep; 2.5m wide; 3.5 long) in order to later lay gravel patio slabs on it. Now I am faced with the question of a suitable material to fill this space. The terrace should not subsequently sag on the compacted soil. Of course, a separate gravel and crushed stone layer will be made for the patio slabs later.

— According to the Internet, mineral material will definitely do. The most suitable material will be gravel. When compacted, the angular stones will catch on to each other and become stable.

— One acquaintance of mine recommended sand as the material because air pockets are impossible here.

What would you recommend?

asked 3 years ago
Author avatar
242houseHolder
Author avatar
A short, perhaps not very sensible interjection: why exactly do you want to completely backfill? Couldn't you put a rainwater cistern in there?
– Jamie E.  3 years ago
Concrete recycling is recommended. Would be the cheapest and quite appropriate. 
– Pacca Guerra  3 years ago

Answer

1

In our case, the architect insisted that only compacted crushed stone be used for backfill in all areas around the house where paving or patios were subsequently planned. Anything else, he said, would lead to even more subsidence. And that's why we used material by the ton.

answered 3 years ago
Author avatar
155unobtrusiveB
Author avatar
Answer this question

Related

  • Does hardwood flooring have advantages over designer vinyl?
  • How thick should be the wear layer of PVC flooring for bathrooms?
  • Should I put linoleum in a house with dogs?
  • Is the hardwood floor durable enough to lay it in the kitchen area?
  • Is vinyl flooring dangerous for health?
  • Floor repair: Is it wood or should it be replaced?
  • Does the ceiling need to be insulated BEFORE the attic?
Log in Join
Privacy Policy・Terms of Service