Moggaman Posted October 27, 2021 Share Posted October 27, 2021 Hi. On my new build it looks like we will put in a sun tunnel to bring some extra light to the upstairs hall. I realise the outside of the tunnel will be insulated but how do I deal with Airtightness? thanks. Link to comment Share on other sites More sharing options...
PeterW Posted October 27, 2021 Share Posted October 27, 2021 Lots of aluminium tape ..! Rigid or flexi tunnel ..? Link to comment Share on other sites More sharing options...
Moggaman Posted October 27, 2021 Author Share Posted October 27, 2021 Rigid I think.. only needs to go about 1.5m Link to comment Share on other sites More sharing options...
Moggaman Posted October 27, 2021 Author Share Posted October 27, 2021 12 minutes ago, PeterW said: Lots of aluminium tape ..! Rigid or flexi tunnel ..? Where does aluminium tape go? Link to comment Share on other sites More sharing options...
PeterW Posted October 27, 2021 Share Posted October 27, 2021 Every joint. Then use air tight tape up to the edges of the tunnel. 1 Link to comment Share on other sites More sharing options...
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