Foundations

781 topics in this forum

1. Cavity fill lean mix and telescopic air ducts.

   By epsilonGreedy, July 18, 2018
   • 22 replies
   • 7.8k views
   • 
   • dave71
   • November 7

2. Raft foundation advice

   By Saints1, November 3
   • 7 replies
   • 461 views
   • 
   • Gus Potter
   • November 4

3. Foundation Issues (trench collapse, piling options)

   By carson321, October 24
   • 2 replies
   • 403 views
   • 
   • saveasteading
   • October 24

4. Foul drains through concrete footing?

   By BenGillyHills, October 22   

   • foul drain
   • foundations
   • 11 replies
   • 486 views
   • 
   • BenGillyHills
   • October 23

5. Leaking dpm under slab - is it an issue?

   By Dunc, October 4
   • 6 replies
   • 556 views
   • 
   • Nickfromwales
   • October 4

6. Helical piles instead of relaying garage foundations?

   By SilverShadow, September 26
   • 10 replies
   • 921 views
   • 
   • ToughButterCup
   • October 1

7. Trench fill acceptable tolerance in level and dip

   By Stu84, September 12
   • 19 replies
   • 1.3k views
   • 
   • Stu84
   • October 1

8. Foundations & Drains 1 2

   By Spinny, September 18
   • 32 replies
   • 1.8k views
   • 
   • Spinny
   • September 30

9. Garden gravel as hardcore substitute?

   By YodhrinForge, September 25
   • 2 replies
   • 625 views
   • 
   • YodhrinForge
   • September 27

10. Backfilling under lintel above drain pipe

    By John2000, September 21
    • 4 replies
    • 732 views
    • 
    • John2000
    • September 22

11. Cutting up my raft foundation

    By Gone West, September 20
    • 5 replies
    • 766 views
    • 
    • Gone West
    • September 21

12. RC slab and waste drainage

    By LSB, September 20
    • 2 replies
    • 451 views
    • 
    • torre
    • September 20

13. Shutter Foundations at Boundary ?

    By Spinny, September 17
    • 2 replies
    • 511 views
    • 
    • Spinny
    • September 17

14. Step in foundations, flatness of bottom of foundation, sleeving

    By Stu84, September 9
    • 2 replies
    • 690 views
    • 
    • Stu84
    • September 12

15. Can I use this to level ground under workshop slab

    By Owain1602, September 11
    • 1 reply
    • 591 views
    • 
    • Mike
    • September 11

16. Running underground drainage through below dpc wall

    By Sunil237, September 8
    • 3 replies
    • 575 views
    • 
    • Sunil237
    • September 9

17. Insulated Raft - How much better?

    By dsaunders, July 18
    • 12 replies
    • 1.2k views
    • 
    • Rosslyn
    • September 4

18. Foundations for garden retaining wall

    By paul1966, August 31
    • 1 reply
    • 597 views
    • 
    • cwr
    • September 1

19. Raft foundation expansion/movement joint

    By Selexus, August 5
    • 17 replies
    • 1.4k views
    • 
    • -rick-
    • August 13

20. Pile Foundation Cost

    By Saul, June 6, 2021
    • 19 replies
    • 17.4k views
    • 
    • Lincolnshire Ian
    • August 4

21. Rod System

    By MortarThePoint, July 30
    • 5 replies
    • 948 views
    • 
    • MortarThePoint
    • July 31

22. 7x4 garden room 1 2

    By Jadhacha, July 28
    • 26 replies
    • 1.6k views
    • 
    • saveasteading
    • July 30

23. Soil pipe penetrations through slab - which way up?

    By Dunc, April 15
    • 13 replies
    • 1.7k views
    • 
    • saveasteading
    • July 21

24. Piling Foundations

    By dsaunders, June 8, 2020
    • 3 replies
    • 3.7k views
    • 
    • dsaunders
    • July 18

25. Insulated rafts 1 2

    By Gus Potter, February 12
    • 26 replies
    • 2.9k views
    • 
    • Dave Jones
    • July 11