Attic insulation

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Old 11-30-18, 11:10 AM
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Attic insulation

Hi.
Is there any improvement if I put a layer of insulation ..
or it gonna be just money dumped into the swamp...
That house was built in late 80.s And I do have a lot time right now.
So I can do it...
Home depot, Lowes, menards - all of them have some sort of attic insulation...
Few images of my attic down here
https://drive.google.com/open?id=1dc...u5IpBGML38zDrS
https://drive.google.com/open?id=129...gTtT5Qrzn0YMy7
https://drive.google.com/open?id=1np...8aed-MnHyoBNa8
https://drive.google.com/open?id=1mA...gWdI8bcES0MxT_
tnx
 
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Old 11-30-18, 11:38 AM
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None of the pictures show what your current insulation looks like, you do not insulate the attic roof!
 
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Old 11-30-18, 12:04 PM
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You only insulate the attic floor (ceiling of the heated space). The goal is to lock the heat in the heated portion of the house and keep the attic well ventilated and close to the outside temperature to reduce ice damming.

There are insulation recommendations online. Look up your location and you will see the recommended R value for your area.
 
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Old 11-30-18, 01:28 PM
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Thank You boss.
Got it.. insulate ONLY a bottom """ the floor"" of the attic.. Leave that roof alone
 
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Old 11-30-18, 02:17 PM
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Even better than insulation is air sealing. Prevent warm air from rising up though the million small crevices in the ceiling. Around light fixtures, recessed lights, partition wall, attic hatch, etc. Spray foam is the primary product to use.
 
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Old 11-30-18, 02:36 PM
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Have you considered blown-in insulation? This will ensure complete coverage and depending on the size of the attic, it may not be too much difference in cost. I had a 16" of insulation blown in my attic several years ago for only $350. It was less than 500 sq ft though.

If doing batts, they need to be unfaced and run perpendicular to the existing batts, which means a lot of additional cutting since you have a truss roof. Regardless of the method you choose, be sure not to obstruct any soffit ventilation. Installing ventilation baffles would be wise, if you don't have them already,
 
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