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Old 12-28-2013, 01:59 PM   #1
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Installing Attic Baffles/Chutes


I just completed this DIY task and wanted to give a few pointers. Of course the obvious working with insulation: long sleeves and pants, safety glasses and mask. Less obvious: knee pads and hard hat if you have one (there are nails that missed and you can hit your head on them when not paying attention)

Materials you will need: chutes, staple gun, flashlight, good solid board to put between joists to kneel on, extra insulation to make sure the chutes are sealed.

What to expect: you will be sore from crouching over since you need to get pretty low to reach in depending on the pitch of your roof. You will be a little bruised and battered from your day. Advil is a wonderful addition to the list of materials.

Results: I had a poor installation when my home was built. I went to the attic in Chicago winter and it was warm and pretty moist. I've had problems with this in the summer. I can't imaging how hot it gets up there. I also had to address ice damning one winter. I installed 40 chutes (recommended amount on a site i found). After one day, I went to my attic and I can feel great circulation and big drop in temperature close to the outside temperature. This is the recommended results. I will probably add another six inches of insulation next and I should be good to go.

Good Luck.

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Old 12-28-2013, 04:35 PM   #2
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Installing Attic Baffles/Chutes


Moved to General forum.

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Old 12-28-2013, 07:41 PM   #3
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Installing Attic Baffles/Chutes


It is common practice to put baffles in every rafter bay. Also it is desirable to seal all of the electric boxes and can lights at this point since you are already up there getting covered in insulation, if it hasn't been done already.
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Old 12-28-2013, 11:05 PM   #4
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Installing Attic Baffles/Chutes


Your state is under the IBC; http://www.reedconstructiondata.com/...odes/illinois/

1/300 NFVA is required; http://publicecodes.cyberregs.com/ic..._12_par004.htm

R-38 is required: http://energycode.pnl.gov/EnergyCode...state=Illinois

http://www.google.com/url?sa=t&sourc...wWATQw&cad=rja


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Old 01-05-2014, 10:27 AM   #5
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Installing Attic Baffles/Chutes


Pictures?
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Old 01-05-2014, 11:04 AM   #6
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Installing Attic Baffles/Chutes


i started with chutes. but was told, here, that the insulation should not touch the underside of the roof, at all. chutes only cover the roof sheathing. so what i did, was to cut FANFOLD, stapled to the bottom of the rafters and over the top of the top plate. and then sealed with spray foam. this keeps insulation off of the entire roof system . i don't remember the cost, but i think its about the same as chutes.
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Old 01-05-2014, 04:02 PM   #7
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Installing Attic Baffles/Chutes


lucky you. looks like easy access to installing the chutes. how did you attach the foam board to create the chute effect?
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Old 01-05-2014, 04:39 PM   #8
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Installing Attic Baffles/Chutes


yeah. i totally replaced the ceiling.

i stapled the fanfold on. it doesn't look like it, but the FF is above the top plate, about 1" below the roof sheathing.

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