Damp & DPCs

218 topics in this forum

1. Should I 'bridge' my DPC to tank the exterior of my property to protect from flooding?

   By boxrick, April 24
   • 5 replies
   • 320 views
   • 
   • Roger440
   • April 25

2. Snagging

   By Stevep007, January 29
   • 11 replies
   • 1.3k views
   • 
   • saveasteading
   • January 31

3. New garage - slab/frame interface

   By BotusBuild, January 25   

   • garage
   • timber
   • (and 3 more)

     Tagged with:

     • garage
     • timber
     • slab
     • dpc
     • dpm
   • 2 replies
   • 541 views
   • 
   • BotusBuild
   • January 25

4. Help me diagnose this 1 2

   By Pappa, December 29, 2025
   • 33 replies
   • 1.9k views
   • 
   • BotusBuild
   • January 13

5. Mildew on air tightness tape underneath window - advice wanted on potential causes and solution

   By Omnibuswoman, January 3
   • 10 replies
   • 1.1k views
   • 
   • Omnibuswoman
   • January 5

6. Musty smell, worried about interstitial condensation

   By Archer, January 29, 2025
   • 20 replies
   • 3.8k views
   • 
   • Archer
   • November 20, 2025

7. Damp / stain on a chimney wall - 1st floor period house (Haringey, London)

   By Olivier D, October 21, 2025
   • 5 replies
   • 1.4k views
   • 
   • Redbeard
   • October 29, 2025

8. Escape of water in my house

   By Gary1140, October 26, 2025
   • 1 reply
   • 916 views
   • 
   • dpmiller
   • October 26, 2025

9. Water ingress newly installed composite door

   By evekell, October 19, 2025   

   • dpc
   • composite door
   • (and 7 more)

     Tagged with:

     • dpc
     • composite door
     • water
     • ingress
     • seals
     • weatherproofing
     • newly installed
     • porch removed
     • builder
   • 10 replies
   • 1.3k views
   • 
   • evekell
   • October 20, 2025

10. DPCs and Beam and Block floor

    By Stu84, August 12, 2025
    • 6 replies
    • 1.7k views
    • 
    • Gus Potter
    • August 12, 2025

11. Sandstone cellar

    By MarkGee, July 23, 2025
    • 11 replies
    • 1.8k views
    • 
    • MarkGee
    • July 23, 2025

12. Lapping DPM and DPC for a concrete slab

    By Simonharry, May 23, 2025   

    • dpm
    • dpc
    • (and 1 more)

      Tagged with:

      • dpm
      • dpc
      • slab foundation
    • 2 replies
    • 2.3k views
    • 
    • Mike
    • June 22, 2025

13. No DPC & Damp - shock horror

    By LD84, June 20, 2025
    • 3 replies
    • 1.5k views
    • 
    • ProDave
    • June 21, 2025

14. Mortar joints appear damp?

    By Tadders, June 16, 2025
    • 2 replies
    • 1.4k views
    • 
    • Tadders
    • June 17, 2025

15. DPC breached

    By Pappa, June 7, 2025
    • 8 replies
    • 2k views
    • 
    • Andeh
    • June 13, 2025

16. Damp and mould around kitchen cooker hood vent

    By Kathmandu, May 26, 2025   

    • kitchen cooker hood
    • damp
    • (and 1 more)

      Tagged with:

      • kitchen cooker hood
      • damp
      • mould
    • 1 reply
    • 1.7k views
    • 
    • ProDave
    • May 26, 2025

17. Damp plaster board (dot and dab)

    By Overthefence, May 11, 2025
    • 7 replies
    • 2.6k views
    • 
    • Spinny
    • May 18, 2025

18. Retrofit Survey take 2

    By Mark H, March 26, 2025
    • 2 replies
    • 1.8k views
    • 
    • JohnMo
    • March 26, 2025

19. Retrofit Survey

    By Mark H, March 25, 2025
    • 0 replies
    • 1.6k views
    • 
    • Mark H
    • March 25, 2025

20. Should I go for flush flooring or standard 150mm step

    By mads, March 21, 2025
    • 4 replies
    • 2.1k views
    • 
    • Big Jimbo
    • March 21, 2025

21. Rising Damp After Driveway installation.

    By Asad, January 27, 2025
    • 14 replies
    • 2.9k views
    • 
    • Asad
    • March 19, 2025

22. Sweaty VCL

    By MrMagic, March 14, 2025
    • 1 reply
    • 1.7k views
    • 
    • SteamyTea
    • March 14, 2025

23. New member looking for advice 1 2

    By Mscott, February 22, 2025
    • 27 replies
    • 4.7k views
    • 
    • Nickfromwales
    • February 23, 2025

24. DPM level with neighbours ground level

    By Ay8452, February 22, 2025
    • 2 replies
    • 1.8k views
    • 
    • ETC
    • February 22, 2025

25. How to lap DPC - up or down - complex junction

    By Bigdeadbadger, February 16, 2025
    • 6 replies
    • 2.6k views
    • 
    • Bigdeadbadger
    • February 16, 2025