Hiya, anyone know of a solution to install cavity wall insulation when the cavity is only 40mm deep? The companies I've tried which have used polystyrene balls have all said its 50mm minimum and they wont do it as there will be cold spots (and trouble down the line). But surely it must be possible with smaller balls? Any ideas much appreciated.
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by rikkik » Mon Jan 09, 2023 5:07 pm 
