saveasteading Posted August 6, 2021 Share Posted August 6, 2021 Anybody come across this before? It claims to be equal to 25mm polystyrene , and at £4/m2 could be a contender when looking for just a bit more. It is just bubblewrap with foil. Link to comment Share on other sites More sharing options...
Oz07 Posted August 6, 2021 Share Posted August 6, 2021 Wasn't there a big debate about this previously with Jeremy labelling it snake oil and someone else getting upset? Link to comment Share on other sites More sharing options...
Thedreamer Posted August 6, 2021 Share Posted August 6, 2021 I used a similar product around my window openings. Link to comment Share on other sites More sharing options...
SteamyTea Posted August 7, 2021 Share Posted August 7, 2021 Low density expanded polystyrene has a conductivity of 0.33 W/m.K. Air is 0.0262 W/m.K. The rest is just arithmetic. Link to comment Share on other sites More sharing options...
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