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Servicing a small attic after blown-in insulation

Servicing a small attic after blown-in insulation

Old 04-16-12, 10:03 PM
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Servicing a small attic after blown-in insulation

Last year we had cellulose blown into our attic. The space was small to begin with and the access to the attic located in the garage. The space immediately over the garage was big enough to squat in. Then travel from the main access to the kitchen one would have to crawl and almost lay flat to get past a low part of the roof. Then it would open up over the living room and family room (squat possibly stand). Then moving past those rooms to the bedrooms is similar as moving through the kitchen (crawl/lay flat).

I didn't think I had anything to do in the attic at the time we had the insulation blown in, but now that more time has passed, I've been having ideas about running cables and installing a whole house fan, but can't imagine how I would do it when there is no way to get around the attic without moving the insulation around.

The house originally had 4 inches of what I think was wool insulation. The company we hired added cellulose on top of what was in place to bring the value up to R39 I believe.

Any recommendations on what to do, or do I simply need to go in there and move the cellulose around, do my work, and move it back into place?
Old 04-17-12, 03:02 AM
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Be careful with your whole house fan. It will cause turbulence in the shallow attic and may displace some of your insulation to places that it may impede normal air flow to the ridge vents. It probably can be done, just think through it.
As far as access, you are talking a single or double trip, so I would just displace the insulation, walk or crawl on the joists, do your work and replace the insulation. Cutting a new hole just creates another input for warm air to eke it's way into the attic causing condensation.

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