October 27, 20214 yr 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.
October 27, 20214 yr Author 12 minutes ago, PeterW said: Lots of aluminium tape ..! Rigid or flexi tunnel ..? Where does aluminium tape go?
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