Heat Insulation

1441 topics in this forum

1. Fabric and ventilation heat loss calculator 1 2 3 4 9

   By Jeremy Harris, June 15, 2016   

   • heat loss
   • ventilation
   • (and 4 more)

     Tagged with:

     • heat loss
     • ventilation
     • insulation
     • u value
     • heating requirement
     • modelling
   • 204 replies
   • 152.1k views
   • 
   • jack
   • February 12

2. Pitched roof- required U-value for new extension pitched roof

   By ab12, Wednesday at 16:06
   • 1 reply
   • 105 views
   • 
   • Redbeard
   • Thursday at 06:42

3. Isover optima dryling system

   By carlos21, Monday at 06:31
   • 2 replies
   • 149 views
   • 
   • carlos21
   • Wednesday at 21:24

4. EWI Advice/Ideas

   By Charli, April 1
   • 4 replies
   • 336 views
   • 
   • Charli
   • April 23

5. Help needed - mistakes were made with EWI

   By maznaz, April 20
   • 5 replies
   • 277 views
   • 
   • Temp
   • April 21

6. PIR above rafters only with dMEV

   By allthatpebbledash, April 5
   • 9 replies
   • 457 views
   • 
   • allthatpebbledash
   • April 8

7. Internal insulation for block cavity walls 1 2 3

   By Julestools, January 9
   • 60 replies
   • 3.3k views
   • 
   • torre
   • April 2

8. What's the best wall structure to balance performance and cost in a new stick frame extension, and is continuous insulation worth it? 1 2

   By Jess Shannon, March 31
   • 27 replies
   • 892 views
   • 
   • Roger440
   • April 1

9. Does insulating ceiling where there is a warm roof above reduce heating demand? Any downsides & what is MVHR impact?

   By Willus, July 16, 2025
   • 7 replies
   • 1.3k views
   • 
   • Willus
   • March 31

10. insulating wooden outbuilding?

    By marmic, March 28
    • 3 replies
    • 329 views
    • 
    • marmic
    • March 29

11. Installation of EPS

    By saveasteading, March 23
    • 10 replies
    • 538 views
    • 
    • saveasteading
    • March 27

12. How best to insulate a steel beam...

    By iSelfBuild, March 25
    • 3 replies
    • 336 views
    • 
    • Super_Paulie
    • March 26

13. Cellulose insulation at velux windows - problem

    By Dunc, March 24
    • 7 replies
    • 445 views
    • 
    • Iceverge
    • March 25

14. What are the best prices for (EWI) EPS insulation at the moment?

    By oranjeboom, March 13
    • 5 replies
    • 464 views
    • 
    • MarkyP
    • March 23

15. IWI for 1930s solid brick wall

    By Chloe, March 15
    • 14 replies
    • 628 views
    • 
    • SteamyTea
    • March 23

16. Second Floor - VCL/Insulation Queries

    By Jammy5, March 17
    • 1 reply
    • 302 views
    • 
    • Redbeard
    • March 17

17. Insulate in Recess of Fireplace

    By BingoBango, March 13
    • 0 replies
    • 254 views
    • 
    • BingoBango
    • March 13

18. Which airtight tape is needed?

    By ruggers, February 11
    • 20 replies
    • 1k views
    • 
    • ruggers
    • March 6

19. Aerobarrier air tightness product/process

    By thaldine, February 21, 2022
    • 15 replies
    • 4k views
    • 
    • Nickfromwales
    • March 5

20. Damp condensation in built-in wardrobe

    By steveoelliott, February 25
    • 8 replies
    • 552 views
    • 
    • steveoelliott
    • March 3

21. Hot plant room 1 2

    By Benpointer, February 27
    • 29 replies
    • 1.1k views
    • 
    • SteamyTea
    • March 1

22. Target U-values… Cost/benefit sense check… What am I missing? 🤷🏻‍♂️ 1 2 3 4

    By fatgus, February 15
    • 87 replies
    • 6k views
    • 
    • craig
    • February 22

23. Air tightness tape yes, no?

    By Selfbuildsarah, February 12
    • 8 replies
    • 599 views
    • 
    • Nickfromwales
    • February 13

24. Spray foam on cold bridge steels 1 2

    By NCXo82ike, January 22
    • 36 replies
    • 1.5k views
    • 
    • Nickfromwales
    • February 10

25. How to attached studwall with cavity with no ceiling connection

    By Bruce, February 3
    • 11 replies
    • 654 views
    • 
    • Bruce
    • February 9