John Kogel Posted October 16, 2013 Report Share Posted October 16, 2013 These light tubes are leaking light into the attic. If the tubes were wrapped with foil, would the light downstairs in the living space be brighter? My clients thought maybe it would be and it made for a lively discussion. I thought a reflective surface was the norm for these things, but we see new stuff every day. It was quite bright and pleasant in the attic and I was careful not to say they were leaking. But they were. [] Click to Enlarge 41.06 KB Click to Enlarge 26.41 KB Click to Enlarge 57.63 KB That junk on the roof is lichen, moss, algae. It is like a little roof garden up there. Click to Enlarge 18.03 KB Quote Link to comment Share on other sites More sharing options...
David Meiland Posted October 16, 2013 Report Share Posted October 16, 2013 You mean the tube is somewhat translucent? Quote Link to comment Share on other sites More sharing options...
John Kogel Posted October 16, 2013 Author Report Share Posted October 16, 2013 Yes. Quote Link to comment Share on other sites More sharing options...
hausdok Posted October 16, 2013 Report Share Posted October 16, 2013 See them like that all the time. Doesn't seem to be an issue. The lichen is. It's turning that roof into lunch. OT - OF!!! M. Quote Link to comment Share on other sites More sharing options...
John Kogel Posted October 16, 2013 Author Report Share Posted October 16, 2013 I would expect a light tube manufacturer to try for optimum efficiency, that's all. Quote Link to comment Share on other sites More sharing options...
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