Comment on Price of electricity in Finland peaks at 2.35€/kWh today. Keeping my tiny granny cottage warm costs me over 50 euros for a single day. It's negative 25C (77F) outside.

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Critical_Insight@feddit.uk ⁨11⁩ ⁨months⁩ ago

Polyurethane is better insulator, doesn’t absorb moisture and doesn’t require a vapor barrier but is also much more expensive.

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