Blow in insulation over wiring?


Old 01-16-11, 08:10 AM
Thread Starter
Join Date: Jan 2011
Location: united states
Posts: 3
Talking Blow in insulation over wiring?

I just put a layer of R-13 in my attic, as that was the only one that would fit due to all the wiring running from end to end. I want to blow in additional insulation but not sure if it is ok to put it over the wiring. Thinking about bringing it up to at least R-30. Is it Ok to blow it in over the wiring, and if so is it best to use the pink fiberglass blow in, or the grey Ecco type of blow in? I put the pink faced R-13 down. Any help would be greatly appreciated. Thanks!
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Old 01-23-11, 03:27 PM
Join Date: Oct 2004
Location: PA
Posts: 1,838
i cannot tell you for sure but i can tell you i did it using green fiber to bring everything up to r60ish over the existing pink stuff. i do know it's important to watch out for can lights and properly baffle them. I also think it's a good idea to take pics 'before' and print them out so you have them for reference to know where they are. i also built a walkway with 2ft x 4ft plywood so i could walk along it even after everything was covered if i ever needed to.

i do have another thread on here with questions i asked the guys and i think they were ok with the fiber being blown over everything. but it's best to confirm that and maybe even read the manufacturers instructions. I think the how to sections at the top of this board are helpful too
Old 01-23-11, 04:33 PM
Join Date: Aug 2009
Location: USA
Posts: 4,941
The only wiring you don't want it to touch is knob and tube, otherwise it's fine. Do take care of any can lights as luckydriver suggests.

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