Moonshine Posted December 12, 2022 Share Posted December 12, 2022 We are getting the house boarded this week, and I just had a thought on the insulation of ducts to the exterior. Are this usually lagged with something? Link to comment Share on other sites More sharing options...
crispy_wafer Posted December 12, 2022 Share Posted December 12, 2022 For our MVHR ducts from outside I used some lengths of Domus Easipipe 2 piece insulation with cable ties. Link to comment Share on other sites More sharing options...
PeterW Posted December 12, 2022 Share Posted December 12, 2022 Yes they need to be or you can get condensation from them especially when then outside temps are below zero. It only needs to be a thin insulation - I saw it done very successfully with the bubblewrap type stuff with aluminium tape over the joints. Can get it in self adhesive too https://www.toolstation.com/search?q=bubble+insulation 1 Link to comment Share on other sites More sharing options...
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