Underfloor Heating

1325 topics in this forum

1. UFH - First Floor ideas... 1 2 3

   By Mulberry View, May 20
   • 50 replies
   • 1.7k views
   • 
   • Nickfromwales
   • June 3

2. Floor finish for UFH

   By ab12, May 25
   • 8 replies
   • 373 views
   • 
   • Indy
   • May 28

3. UFH to help cooling? 1 2

   By richo106, May 21
   • 25 replies
   • 726 views
   • 
   • Mike
   • May 22

4. Biocide and corrosion inhibitor

   By Mr Blobby, May 15
   • 7 replies
   • 365 views
   • 
   • Mr Blobby
   • May 19

5. Dry vs Wet screed for UFH

   By ab12, May 16
   • 13 replies
   • 495 views
   • 
   • mjc55
   • May 17

6. UFH heating- 3 adjacent area

   By ab12, April 28
   • 7 replies
   • 551 views
   • 
   • JohnMo
   • May 6

7. Dry screed thickness and can laid by DIY method

   By ab12, April 20
   • 1 reply
   • 394 views
   • 
   • Russell griffiths
   • April 21

8. IVAR UFH Blending Valve stopped working

   By Rob99, April 14
   • 10 replies
   • 637 views
   • 
   • Rob99
   • April 16

9. UFH layout in odd-shaped space, on overlay panels

   By andyscotland, March 18
   • 9 replies
   • 901 views
   • 
   • andyscotland
   • April 12

10. Floor Probes for Heated Slab

    By Spinny, March 22
    • 3 replies
    • 568 views
    • 
    • Spinny
    • March 23

11. My Install - some questions! 1 2

    By Duncan62, February 10
    • 36 replies
    • 1.9k views
    • 
    • SimonD
    • March 15

12. UFH Design - LoopCAD, Heatpunk,Spreadsheets & Copilot

    By Adrock, July 6, 2025
    • 18 replies
    • 2.3k views
    • 
    • JohnMo
    • March 6

13. UFH design received - any tips on how to mark out the floor / install

    By Great_scot_selfbuild, February 28
    • 21 replies
    • 1.1k views
    • 
    • Nickfromwales
    • March 1

14. UFH - do I need floor probes?

    By Great_scot_selfbuild, February 26
    • 9 replies
    • 775 views
    • 
    • Nickfromwales
    • February 26

15. UFH - validate my thinking plus some questions

    By Bigdeadbadger, February 17
    • 21 replies
    • 1.2k views
    • 
    • JohnMo
    • February 18

16. Heat pumps. Any negative points about 3 phase? 1 2

    By saveasteading, February 11
    • 36 replies
    • 1.9k views
    • 
    • SteamyTea
    • February 15

17. Overlay UFH on existing uninsulated concrete slab with new gas boiler, worth it?

    By BenB, February 14
    • 6 replies
    • 802 views
    • 
    • marshian
    • February 15

18. Two questions relating to UFH manifolds

    By Bancroft, November 24, 2025
    • 23 replies
    • 1.9k views
    • 
    • Nickfromwales
    • February 11

19. Installing parquet over overfit type UFH boards

    By sb1202, February 10
    • 5 replies
    • 716 views
    • 
    • Nickfromwales
    • February 10

20. MCS requirements for whole home UFH 1 2

    By cmdrawesome, November 4, 2025
    • 35 replies
    • 3k views
    • 
    • cmdrawesome
    • February 9

21. Help with subfloor for Wet UFH

    By Adrian of Brighton, February 4   

    • thermrite
    • subfloor
    • (and 2 more)

      Tagged with:

      • thermrite
      • subfloor
      • slab
      • . basement
    • 2 replies
    • 796 views
    • 
    • Nickfromwales
    • February 8

22. Under floor heating upstairs

    By steady, November 11, 2025
    • 21 replies
    • 1.8k views
    • 
    • SBMS
    • February 6

23. How can I roughly calculate UFH output at given flow temps. 1 2

    By jimseng, February 2
    • 44 replies
    • 2k views
    • 
    • JohnMo
    • February 3

24. Superfoil underfloor insulation

    By Mr Blobby, January 29
    • 8 replies
    • 918 views
    • 
    • Nickfromwales
    • January 29

25. Huge difference between set and actual room temperature 1 2

    By iMCaan, January 12
    • 26 replies
    • 1.9k views
    • 
    • iMCaan
    • January 28