Keeping your home warm / heating / energy crisis / insulation etc

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Howard in reply to @Fox

Yes EWI is more expensive and harder to fit

It should be vastly superior to IWI. IWI seems bonkers to me. Eats space, requires loads of disruption, almost guaranteed to cause condensation where you don't want it and mould, does nothing for the exterior.

No because the panels can (and IMO should, for as building with solid walls) be breathable.

This is correct. You aren't going to clad a single skin property with celotex for example.

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Mr_Smyth in reply to @Howard

"IWI seems bonkers to me”
Depends on the property. a 6th floor flat that’s not listed but has restrictions on its exterior including windows, the options were do nothing or insulate internally.
“disruption” not when it’s done as part of a refurb in an empty flat.
“Eats space” we lost 75mm off 2 walls in bedrooms and 75mm off one wall in a 6m long lounge/diner, the gains far outweighed any loss of space.
“guaranteed to cause condensation/mould” now you are just trolling, most of the flat is cavity wall and in good condition seep vents in the cavity are there for a reason IWS or not. the one single skin wall is tile faced so not breathable.

Each case/property is different, i would do it again if the property was suitable.
A shitty built victorian terrace with solid walls and a bit of slate for a damp course would be a different proposition, but then I wouldn’t ever buy one as I prefer being warm and not paying a fortune to do so.

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Rich_G in reply to @Mr_Smyth

A shitty built victorian terrace with solid walls and a bit of slate for a damp course would be a different proposition, but then I wouldn’t ever buy one as I prefer being warm and not paying a fortune to do so.

i am now living this...
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andos in reply to @Mr_Smyth

Also depends on finance too. I could feasibly install IWI for a few rooms that we would benefit most from. I cannot afford to install external insulation...
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Fox in reply to @Mr_Smyth

Each case/property is different

This. I don't have anything against IWI. For a lot of older properties people aren't going to want to clad them in EWI and that's fair enough. We've decided to clad ours anyway, so EWI makes more sense.

Also feel like I should point out that I'm not some kind of wood fibre insulation zealot, it just seems to make sense for us from everything I've learnt so far.

most of the flat is cavity wall

I dream of a cavity wall tbh! It would make our house a lot warmer and easier to insulate.

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