+1 on the compression being fine. Actually is a slight reduction in R-Value, but only because of the loss of depth. the actually R-Value per inch goes up slightly with the compressed batt in this case (i.e. 3.5" to 3").
Separating insulation in half??
I’m insulating my 16x20 workshop. I’m currently doing the roof and want to leave the ceiling open to store things above. I have 2x6 rafters. I left a 1” air space for air to pass from my soffit to the ridge and I used 1.5” foam board that I got a really good deal on. It leaves me with 3” of space. I was wondering if fibreglass insulation can be separated in half. Ex: use 6” insulation and separate it in half to get 3”... I’ve searched everywhere online and can’t find an answer. Any help would be appreciated. Thanks
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I think you are making more work for yourself where it isn't necessary.
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