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Old 01-28-2011, 05:30 PM   #31
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Attic Insulation Nightmare


cbaur88 - I had HD out as well last night and they wanted 1650 to go over everything. Of course the guy offered a "One time, we never do this" 20% promo that conveniently expires this Saturday. I called another Co. and they wanted 1300 to blow in R38 so I know HD is a rip. The other Co. also said that they would charge 1500 to remove everything and 200-300 more for air sealing. HD wanted 2900 just to remove! Even though the other Co. beat HD by a long shot I still think it's way too much....for me anyway. You have to ask yourself, would I remove everything for someone if they offered me $1500 bucks?...h yeah! I honestly think I'm just going to bite the bullet and try again for the removal. I know it will suck but I will be much happier in the end. Plus I want a clean area to work with so I can do a good job air sealing. I have a dropped soffit above my kitchen that it not insulated at all so that's one major thing that I need to fix. Plus I was going to replace a couple of my can lights with the IC approved ones. They are air tight and can have insulation right up against them. I'm still debating on how I want to approach this though. Do I shovel and bag, rent an ins. vac (235 daily) or buy a dust collector (90-125) from Harbor Freight? It may actually be easier, not to mention cheaper, to just shovel and bag. If I use a VAC I'll still have to empty the bag that comes with it in a trailer, a dumpster or in bags that I can dispose. Doing that by myself would suck and I'd rather not be going in and out of the attic through my house. My plan is to just get a small shovel that fits between the joists, buy some of those cardboard/temporary trash containers to help keep the bag upright and keep all of the bags up there until I'm done. When I'm finished I'll toss all of the bags out of the larger gable vent to the outside. This way nothing gets dragged through the house Oh and I would be a bit more geared out this time...respirator instead of a dust mask, goggles and a paint suit.


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Old 01-28-2011, 10:05 PM   #32
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Attic Insulation Nightmare


I have cleaned out attics of old fiberglass and rock wool insulation and fiberglass and cellulose blown in insulation. It is a miserable job, but I know myself well enough to know that I don't want to be second guessing myself after the job is done. If you clean out the attic you can seal any penetrations, fix up any wiring problems that may not be currently obvious, add your IC cans, install hard wired interconnected battery back up smoke and CO detectors, run that coax cable you wanted and install kraft faced fiberglass insulation batts with unfaced batts over the top and be set where you know you don't have to touch it again, and yes do the walk way too. I would look to see if I could open up the gable end, yes remove the siding and sheathing and perhaps a couple of gable studs and shovel, sweep, vacuum, blow (as with a leaf blower) the insulation out onto a large vinyl tarp laid out in the yard. When I have had blown in cellulose insulation blow off the tarp and onto a lawn, even though I raked up the cellulose, the grass died within a week, I figured the fire retardant killed the grass. Good Luck
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Old 01-28-2011, 11:00 PM   #33
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Attic Insulation Nightmare


TheCamper - I was with you 100% up until the remove siding part I think maybe I will go with the FG batts though, just as I planned from the beginning.

SPS-1 - How do those Rockwool batts compare to FG? Are they better as far as insulation value goes? Where did you get them?
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Old 01-29-2011, 10:58 AM   #34
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Rockwool and fiberglass are pretty close in R value per inch. I like it because it is so dense and stable. Roxul is one of the more popular brands. You should find it at Lowes. The choice otherwise just comes down to the R-value number on the bag, the price on the bag, and the "square feet of coverage" number on the bag.
Glad to see you are going to do it right.
I have never used a resperator, but its gotta beat a dust mask !!
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Old 01-30-2011, 02:51 AM   #35
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Quote:
Originally Posted by nickelshine View Post
I decided to remove the old batts and put down new with vapor barrier down. Well, the old batts were only R-11, but with about 3" of loose fiberglass underneath. Ugh! Well, I paused like you. Now a much more extensive project. I am going forward. Removing the batts & loose, putting down new R-19 (face down), then R-30 on top.
The biggest benefit from this nightmare project has been the opportunity to AIR SEAL the attic floor. All kinds of exposed air leaks found. Including an entire bathroom wall. I am saving some of the old batts, just removing the face to use where needed. Going to go one better and put in a eave baffles, ridge vent and soffit vents - just gables now... some frost. Good Luck - 1963 PA house
Some pictures of this project would be awesome!

How does one install the kraft faced bats from inside the attic? aren't they normally installed prior to drywalling the ceilings?

I want to remove my insulation and air seal, install new insulation , but want to get the vapor barrier done right. I am in Maryland.

I kind of liked the idea of DIY spray foam kits - getting enough to do a 1" layer for air/vaptor barrier then unfaced bats and/or blown in over top.
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Old 03-16-2011, 07:54 PM   #36
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Attic Insulation Nightmare


are you sure theres no vermiculite ?
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Old 03-23-2011, 05:54 PM   #37
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Oh there is but I decided to just go over everything with blown in cellulose. The job is done. I air saled as much as possible and blew in about 25 bags... Works for me and much, much easier. I wanted to do it the long and hard way but now that I look back I think I must have been crazy. That would have just been WAY too much work.

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