It is OK to blow cellulose over a plywood attic floor?
I am preparing my attic for some additional insulation and was wondering what the consensus is on this subject. I currently have a fair amount of plywood flooring in my attic, installed over R19 fiberglass batts that were laid in between 2X6 ceiling joists. The batts are faced, installed with the paper side down (towards the ceiling sheetrock). I was planning to blow cellulose over these floored areas, leaving the plywood in place, but I thought I better be sure there wouldn't be issues with moisture, etc. Does the plywood need to come up or can I go over it with the celullose?
I have done some research and gotten mixed reports on this subject, so I wanted to ask the buildingsciencemeisters here! I have learned so much in my lurking these past few weeks. What a great place!
BTW I am near San Antonio, Texas (Zone 2).
Thanks in advance!
Posted Aug 19, 2014 7:52 PM ET
Edited Aug 20, 2014 3:12 AM ET
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