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Old 11-24-2014, 11:50 PM   #1
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installing batts around can lights


I am insulating some new construction with r-38 batts. The can lights are rated for contact with the insulation. What is the right way to go about it? I can't seem to find any information. Only thing I can find is information on going in to attics and insulating existing construction

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Old 11-25-2014, 12:07 AM   #2
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installing batts around can lights


The batts just touch the can, around the fixture, just make sure that the paper facing if there is any does not touch the housing, and do not cover the fixture entirely, the heat has to escape.



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Old 11-25-2014, 12:13 AM   #3
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Yes. Its going to be Kraft faced, so that's what I was really wondering about. So I basically just cut the insulation batt where the can light starts and then start another batt after the can light? There isn't going to be much heat in the can lights. I installed enough of them that it is excessively bright in the room with only 15 watt cfl lamps in each one. 15 watt CFLs barely even get warm.
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Old 11-25-2014, 12:17 AM   #4
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installing batts around can lights


Is this a cathedral ceiling? If so, you really need to box them out with airtight covers.
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Old 11-25-2014, 12:18 AM   #5
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installing batts around can lights


No. Its just a flat 8' ceiling with attic space above.
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Old 11-25-2014, 09:30 AM   #6
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installing batts around can lights


I would still box them out. Better safe than sorry and insulation contact rated does not equal airtight.

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