Flat Roofs

336 topics in this forum

1. Warm deck roof insulation and position of joists

   By Porthole, May 13, 2021
   • 4 replies
   • 1.5k views
   • 
   • Porthole
   • May 23, 2021

2. do you felt over a ridge tile?

   By pwynn, May 13, 2021
   • 6 replies
   • 2.5k views
   • 
   • Big Jimbo
   • May 15, 2021

3. Cavity insultation slabs in a garden office flat roof?

   By Mike_M, May 13, 2021
   • 0 replies
   • 516 views
   • 
   • Mike_M
   • May 13, 2021

4. Overlaying a grp dormer

   By Wales, May 9, 2021
   • 8 replies
   • 2.4k views
   • 
   • canalsiderenovation
   • May 10, 2021

5. Insulate concrete flat roof

   By chriz1, May 8, 2021
   • 1 reply
   • 737 views
   • 
   • Marvin
   • May 8, 2021

6. Flat roof leak?

   By Simba_ali, May 7, 2021
   • 0 replies
   • 599 views
   • 
   • Simba_ali
   • May 7, 2021

7. LEAKING GRP FLAT ROOF

   By texas, May 5, 2021
   • 16 replies
   • 2.4k views
   • 
   • scottishjohn
   • May 6, 2021

8. Ply sheathing on flat roof (35mm trusses)

   By MortarThePoint, April 30, 2021
   • 21 replies
   • 2.8k views
   • 
   • MortarThePoint
   • May 5, 2021

9. Cold flat roof abutment with sloping roof

   By David R, April 29, 2021
   • 4 replies
   • 2.3k views
   • 
   • David R
   • May 1, 2021

10. Does this flashing look ok?

    By davidk, April 29, 2021   

    • leadwork
    • flashing
    • 21 replies
    • 2.5k views
    • 
    • ProDave
    • April 30, 2021

11. Bestest Flat roof 1 2

    By ianfish, February 4, 2021
    • 28 replies
    • 5.3k views
    • 
    • pudding
    • April 26, 2021

12. Liquid Rubber Roofing?

    By idontknowwhatiamdoing, April 21, 2021   

    • epdm
    • rubber
    • (and 1 more)

      Tagged with:

      • epdm
      • rubber
      • flat roof
    • 5 replies
    • 2.3k views
    • 
    • idontknowwhatiamdoing
    • April 22, 2021

13. New Roof Porcelain Copings

    By steveoelliott, April 18, 2021
    • 4 replies
    • 1k views
    • 
    • steveoelliott
    • April 20, 2021

14. Continuity of vapour control layer

    By Jtb, April 9, 2021
    • 0 replies
    • 645 views
    • 
    • Jtb
    • April 9, 2021

15. Advice for leaking flat roof please

    By Oldhousehelp, April 8, 2021
    • 7 replies
    • 1.1k views
    • 
    • joe90
    • April 9, 2021

16. Roof terrace construction

    By DaveH, March 4, 2021
    • 9 replies
    • 2k views
    • 
    • DaveH
    • March 8, 2021

17. Fascia board corners

    By BobAJob, February 27, 2021
    • 0 replies
    • 638 views
    • 
    • BobAJob
    • February 27, 2021

18. Anyway to repair a wet flat tar/felt roof (temporarily)

    By joe90, February 2, 2021
    • 13 replies
    • 2.8k views
    • 
    • joe90
    • February 9, 2021

19. Zinc warm vs cold (unvented vs vented) 1 2

    By GraemeHM, February 3, 2021   

    • zinc
    • low-pitch
    • (and 2 more)

      Tagged with:

      • zinc
      • low-pitch
      • warm roof
      • cold roof
    • 27 replies
    • 9.9k views
    • 
    • SimonD
    • February 5, 2021

20. How to construct a shallow sloping roof with minimal thickness.

    By Andy H, January 26, 2021   

    • flat roof
    • 13 replies
    • 4.6k views
    • 
    • Temp
    • February 4, 2021

21. Overthinking flat roof joists/wall junction preserving airtightness

    By Olf, February 3, 2021
    • 1 reply
    • 1.1k views
    • 
    • Gus Potter
    • February 3, 2021

22. Flat roof dilemma 1 2

    By pritch, May 30, 2019
    • 33 replies
    • 24.4k views
    • 
    • Russell griffiths
    • February 3, 2021

23. How to construct a shallow sloping roof with minimal thickness.

    By Andy H, January 26, 2021   

    • flat roof
    • 0 replies
    • 667 views
    • 
    • Andy H
    • January 26, 2021

24. Flat roof with fall

    By ianfish, January 22, 2021
    • 13 replies
    • 2.6k views
    • 
    • ianfish
    • January 22, 2021

25. Joists

    By ianfish, July 30, 2020
    • 15 replies
    • 3.3k views
    • 
    • ianfish
    • January 21, 2021