im going to insulate my cellar ceiling soon,,,ive done one before just using 50mm wool cavity slabs,,,they go up very easily,,,but this time i was thinking of using the ridgid stuff,,,foil backed like celltex or kingspan etc,,,im sure ive heard before the ridgind stuff is twice as good as the wool,,,or maybe someone has a better idea??? any thoughts anyone???
insulating my cellar ceiling,,,wool or ridgid insulation???
- Thread starter sonofrob
- Start date
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mineral wool. you can stuff it tightly into irregular gaps, and it will block draughts as well as providing insulation. It is very difficult to cut foam slabs to be a perfect fit, so they allow draughts.
wool is also cheaper.
Draughts are a bigger problem through floors than thermal conductivity, so the added insulation provided by the same thickness of slab will not bring much benefit.
wool is also cheaper.
Draughts are a bigger problem through floors than thermal conductivity, so the added insulation provided by the same thickness of slab will not bring much benefit.
That what expanding foam is for.
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I supposes if you get stuck in your ways.
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