Insulation question
#14
(09-19-2018, 11:57 AM)Bope Wrote: I have a couple rolls of R30 ceiling insulation taking up space in my garage. My daughter bedroom is always the hottest in the summer and coldest in the winter so I was thinking of putting the insulation in the attic over her bedroom. There is blown-in insulation up there deeper than the rafters. Would there be any negative affect putting the roll insulation on top of the blown-in? There is no clearance issue with the roof rafters.

Tom Silva on Ask This Old House did exactly that some years ago:

https://www.thisoldhouse.com/how-to/how-...insulation

Mats
Mats
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#15
(09-20-2018, 01:01 PM)woodmats Wrote: Tom Silva on Ask This Old House did exactly that some years ago:

https://www.thisoldhouse.com/how-to/how-...insulation

Mats

Clever use of those 2x10's as a platform, while still getting the batt insulation still installed on top of the attic floor joists.  
When he first started covering those boards up, i was thinking, wow, so much storage space wasted.

Colin
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#16
Yes remove paper.

Roll it out perpendicular to joists.  Its not going to compress the blown in to matter you're adding R30.

..................or don't mess with it at all if you've already got R30 up there it may not make much difference there is a point of no return with insulation where adding more doesn't do much.
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