Heat Insulation

1445 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
   • 156.1k views
   • 
   • jack
   • February 12

2. Cold roofs without fresh air flow - how common is it?

   By plockhart, June 8
   • 1 reply
   • 204 views
   • 
   • plockhart
   • June 9

3. Fine tuning my IWI Solid wall (Warm Batten) design 1 2 3 4 7

   By Annker, September 5, 2024
   • 159 replies
   • 25.4k views
   • 
   • lookseehear
   • June 1

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

   By oranjeboom, March 13
   • 7 replies
   • 755 views
   • 
   • MarkyP
   • June 1

5. Insulation in renovation, Suspended timber floor

   By andreas, May 19
   • 19 replies
   • 570 views
   • 
   • Redbeard
   • May 24

6. Retro fit roof insulation - breathable vs non breathable

   By ab12, May 13
   • 2 replies
   • 299 views
   • 
   • Redbeard
   • May 13

7. Void Behind Bay Window Roof - How bad of an issue is this?

   By EinTopaz, May 4
   • 16 replies
   • 643 views
   • 
   • Nickfromwales
   • May 8

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

   By ab12, April 29
   • 1 reply
   • 357 views
   • 
   • Redbeard
   • April 30

9. Isover optima dryling system

   By carlos21, April 27
   • 2 replies
   • 382 views
   • 
   • carlos21
   • April 29

10. EWI Advice/Ideas

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

11. Help needed - mistakes were made with EWI

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

12. PIR above rafters only with dMEV

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

13. Internal insulation for block cavity walls 1 2 3

    By Julestools, January 9
    • 60 replies
    • 4.2k views
    • 
    • torre
    • April 2

14. 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
    • 1.3k views
    • 
    • Roger440
    • April 1

15. 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
    • 1.6k views
    • 
    • Willus
    • March 31

16. insulating wooden outbuilding?

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

17. Installation of EPS

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

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

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

19. Cellulose insulation at velux windows - problem

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

20. IWI for 1930s solid brick wall

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

21. Second Floor - VCL/Insulation Queries

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

22. Insulate in Recess of Fireplace

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

23. Which airtight tape is needed?

    By ruggers, February 11
    • 20 replies
    • 1.3k views
    • 
    • ruggers
    • March 6

24. Aerobarrier air tightness product/process

    By thaldine, February 21, 2022
    • 15 replies
    • 4.3k views
    • 
    • Nickfromwales
    • March 5

25. Damp condensation in built-in wardrobe

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