Foundations

782 topics in this forum

1. Mains water, DPM and trench in garage

   By Jammy5, 17 hours ago
   • 7 replies
   • 81 views
   • 
   • Jammy5
   • 6 hours ago

2. Cavity fill lean mix and telescopic air ducts.

   By epsilonGreedy, July 18, 2018
   • 22 replies
   • 8k views
   • 
   • dave71
   • November 7

3. Raft foundation advice

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

4. Foundation Issues (trench collapse, piling options)

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

5. Foul drains through concrete footing?

   By BenGillyHills, October 22   

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

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

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

7. Helical piles instead of relaying garage foundations?

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

8. Trench fill acceptable tolerance in level and dip

   By Stu84, September 12
   • 19 replies
   • 1.5k views
   • 
   • Stu84
   • October 1

9. Foundations & Drains 1 2

   By Spinny, September 18
   • 32 replies
   • 1.9k views
   • 
   • Spinny
   • September 30

10. Garden gravel as hardcore substitute?

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

11. Backfilling under lintel above drain pipe

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

12. Cutting up my raft foundation

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

13. RC slab and waste drainage

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

14. Shutter Foundations at Boundary ?

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

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

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

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

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

17. Running underground drainage through below dpc wall

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

18. Insulated Raft - How much better?

    By dsaunders, July 18
    • 12 replies
    • 1.3k views
    • 
    • Rosslyn
    • September 4

19. Foundations for garden retaining wall

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

20. Raft foundation expansion/movement joint

    By Selexus, August 5
    • 17 replies
    • 1.5k views
    • 
    • -rick-
    • August 13

21. Pile Foundation Cost

    By Saul, June 6, 2021
    • 19 replies
    • 17.7k views
    • 
    • Lincolnshire Ian
    • August 4

22. Rod System

    By MortarThePoint, July 30
    • 5 replies
    • 1.1k views
    • 
    • MortarThePoint
    • July 31

23. 7x4 garden room 1 2

    By Jadhacha, July 28
    • 26 replies
    • 1.7k views
    • 
    • saveasteading
    • July 30

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

    By Dunc, April 15
    • 13 replies
    • 1.8k views
    • 
    • saveasteading
    • July 21

25. Piling Foundations

    By dsaunders, June 8, 2020
    • 3 replies
    • 3.8k views
    • 
    • dsaunders
    • July 18