Flat Roofs

378 topics in this forum

1. Soil vent - does this look right?

   By Great_scot_selfbuild, February 2
   • 6 replies
   • 410 views
   • 
   • Great_scot_selfbuild
   • February 3

2. Flat roof make up 1 2 3 4

   By Tony L, January 6   

   • flat roof
   • condensation
   • (and 2 more)

     Tagged with:

     • flat roof
     • condensation
     • vcl
     • soundproofing
   • 77 replies
   • 3.4k views
   • 
   • Tony L
   • January 15

3. Leaking flat roof… does this look right?

   By DownSouth, December 2, 2025
   • 4 replies
   • 522 views
   • 
   • DownSouth
   • December 2, 2025

4. warm roof soffit vents.

   By carlos21, November 25, 2025
   • 4 replies
   • 656 views
   • 
   • Redbeard
   • November 25, 2025

5. EPDM Kerb Edge Trim

   By Mulberry View, November 14, 2025
   • 22 replies
   • 1.3k views
   • 
   • jack
   • November 20, 2025

6. Hybrid roof - reducing build up

   By SBMS, November 12, 2025
   • 6 replies
   • 675 views
   • 
   • SBMS
   • November 12, 2025

7. Dormer flat roof to pitched roof ridge

   By nealblath, November 8, 2025
   • 12 replies
   • 1.1k views
   • 
   • nealblath
   • November 9, 2025

8. Managing falls on greenroof?

   By dwtowner, October 25, 2025
   • 18 replies
   • 1.1k views
   • 
   • saveasteading
   • November 6, 2025

9. Suspended Ceiling tiles

   By Atlas1111, October 30, 2025
   • 2 replies
   • 720 views
   • 
   • Pocster
   • October 31, 2025

10. Warm or cold roof design for our flat roof?

    By Great_scot_selfbuild, October 29, 2025
    • 6 replies
    • 797 views
    • 
    • SBMS
    • October 29, 2025

11. Exposed rafters T&G Roof deck

    By jackcowdrey, October 16, 2025
    • 1 reply
    • 703 views
    • 
    • JohnMo
    • October 16, 2025

12. Mold and condensation in cold deck flat roof-new install 1 2

    By Paul Alan, December 16, 2022
    • 30 replies
    • 9.9k views
    • 
    • Atlas1111
    • October 11, 2025

13. Best type of flat roof?

    By GEO-PAR, August 2, 2025
    • 15 replies
    • 1.9k views
    • 
    • torre
    • September 29, 2025

14. Depth of warm roof

    By James T, September 28, 2025
    • 8 replies
    • 1.1k views
    • 
    • Iceverge
    • September 29, 2025

15. Reflective paint for EPDM roof

    By sgt_woulds, September 29, 2025
    • 0 replies
    • 702 views
    • 
    • sgt_woulds
    • September 29, 2025

16. Cold Roof Ventilation

    By James T, September 28, 2025
    • 1 reply
    • 795 views
    • 
    • SBMS
    • September 28, 2025

17. Flat Roof/Living Roof [Warm Roof] Garage to Living Accomodation Conversion 4.8mtr span

    By Yorkshireman, September 28, 2025
    • 1 reply
    • 725 views
    • 
    • JohnMo
    • September 28, 2025

18. Proposed flat roof warm deck build-up: request for comment

    By bmj1, July 6, 2023
    • 2 replies
    • 1.9k views
    • 
    • Markuz
    • September 16, 2025

19. Warm roof deck, expansion gap and EPDM

    By Timberframeguy, August 22, 2025
    • 1 reply
    • 1.1k views
    • 
    • Redbeard
    • August 22, 2025

20. Removing Patination Oil

    By paro, August 19, 2025
    • 3 replies
    • 1.1k views
    • 
    • Temp
    • August 20, 2025

21. Quote for Flat Roof

    By steveoelliott, August 15, 2025
    • 11 replies
    • 1.5k views
    • 
    • jack
    • August 19, 2025

22. Lead leached onto Resin roof - Cleaning suggestions

    By paro, July 25, 2025
    • 11 replies
    • 1.2k views
    • 
    • paro
    • July 27, 2025

23. Epdm rubber roof on garden room

    By Cadoxton Jack, July 19, 2025
    • 5 replies
    • 1.5k views
    • 
    • gaz_moose
    • July 20, 2025

24. Flat roof for garden room

    By Cadoxton Jack, June 29, 2025
    • 7 replies
    • 1.5k views
    • 
    • Cadoxton Jack
    • July 19, 2025

25. Help with rogue roofing company

    By Lofty7, July 10, 2025
    • 3 replies
    • 1.1k views
    • 
    • Nickfromwales
    • July 10, 2025