Foundations

781 topics in this forum

1. Raft foundations. How does the mesh work in a slab?

   By Gus Potter, March 27
   • 3 replies
   • 1.3k views
   • 
   • Gus Potter
   • March 29

2. How close to a soakaway can I get?

   By AndySat, March 17
   • 7 replies
   • 1.2k views
   • 
   • ProDave
   • March 18

3. Extra insulation round SVP’s in a Kore passive slab?

   By Gibdog, March 14
   • 11 replies
   • 965 views
   • 
   • Nick Laslett
   • March 17

4. Is Ecobrix worth the extra £££?

   By Great_scot_selfbuild, March 12
   • 8 replies
   • 1.1k views
   • 
   • Nickfromwales
   • March 13

5. Best method to lay strip foundations over undulating sandstone bedrock?

   By overthehill, March 5
   • 3 replies
   • 787 views
   • 
   • overthehill
   • March 11

6. Sewer colour coding

   By Rachieble, March 10
   • 20 replies
   • 1.2k views
   • 
   • saveasteading
   • March 11

7. Viability of using two different floor build ups next to each other.

   By G and J, March 5
   • 5 replies
   • 784 views
   • 
   • G and J
   • March 5

8. Underpinning foundation wall and installing thermal break

   By Clennls, March 5
   • 0 replies
   • 580 views
   • 
   • Clennls
   • March 5

9. How to space two parallel reinforcement bars vertically?

   By AartWessels, March 1
   • 15 replies
   • 1.3k views
   • 
   • Gus Potter
   • March 4

10. Options for building extension on existing outbuilding foundation?

    By dwtowner, March 4
    • 3 replies
    • 663 views
    • 
    • nod
    • March 4

11. FFL below ground - topo incorrect..?!

    By Gibdog, February 21
    • 8 replies
    • 880 views
    • 
    • Mr Punter
    • March 3

12. Capillary break beneath slab

    By Clennls, February 27
    • 6 replies
    • 790 views
    • 
    • Clennls
    • February 28

13. Looking for example projects and extensions built on rock

    By Jimbobjones, February 15
    • 15 replies
    • 1.8k views
    • 
    • Gus Potter
    • February 23

14. Subsidence - is it always the fault of the tree?

    By Allyzap, March 8, 2024
    • 22 replies
    • 3.5k views
    • 
    • Mikhail Liebenstein
    • February 21

15. Below DPC level detail advice needed for new build.

    By ruggers, January 10
    • 11 replies
    • 2.7k views
    • 
    • ruggers
    • February 14

16. Concrete Pads for Steel Goalposts

    By Simonharry, February 13   

    • steel frame
    • concrete pad
    • (and 6 more)

      Tagged with:

      • steel frame
      • concrete pad
      • foundations
      • backfill
      • 1930s
      • semi-detached
      • footings
      • steel to concrete
    • 6 replies
    • 1.3k views
    • 
    • Russell griffiths
    • February 13

17. Strip, Trench or Insulated structural raft for timber framed house with Brick plinth 1 2

    By Smallholdertoo, January 25
    • 28 replies
    • 2.2k views
    • 
    • Nick Laslett
    • February 8

18. Clayboard?

    By Alan Ambrose, February 3
    • 1 reply
    • 713 views
    • 
    • Gus Potter
    • February 4

19. My SE is recommending I do NOT embed the UFH in the insulated slab... 1 2

    By zzPaulzz, January 29
    • 30 replies
    • 2.5k views
    • 
    • saveasteading
    • January 30

20. Insulated raft done 1 2

    By kandgmitchell, February 26, 2024
    • 28 replies
    • 3.8k views
    • 
    • kandgmitchell
    • January 29

21. Pouring concrete into footings and creating a padstone at the same time

    By Glee, January 28
    • 6 replies
    • 1.3k views
    • 
    • Tosh
    • January 28

22. A hole for an indoor swim spa? 1 2 3 4 5

    By SBMS, December 8, 2024
    • 100 replies
    • 7.5k views
    • 
    • Bancroft
    • January 27

23. Underpinning. Ha, you ain’t seen nothing

    By joe90, January 16, 2023
    • 2 replies
    • 984 views
    • 
    • joth
    • January 24

24. Foam glass insulation

    By mjc55, January 16
    • 4 replies
    • 799 views
    • 
    • Alan Ambrose
    • January 17

25. Help! big hole found under the conservatory foundation!

    By LLL, January 12
    • 22 replies
    • 1.9k views
    • 
    • LLL
    • January 13