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Old 04-17-2018, 08:28 AM   #1
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Thinking of replacing insulation, thoughts?


Hello fellow DIYers! I have a quick question regarding insulation.

I've been doing a lot of work that leads me up into the attic, and I've noticed that all my insulation is blown-in cottony crap (for lack of a technical term).

The attic over one side of my house is VERY easy to get to, and I was considering possibly just replacing the insulation with the roll out stuff that has Jacque Cousteau and the Pink Panther on it!

Bottom line, is the roll-out fiberglass insulation better (R value) than the blown-in "loose" stuff? Does it need to be tacked to the studs? I've noticed that some of the roll-out fiberglass insulation has "wings" on the end that I assume tack to the studs.


Thank you!
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Old 04-17-2018, 09:42 AM   #2
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Re: Thinking of replacing insulation, thoughts?


Blown in usually is a better insulation than the "pink stuff".

Need to know what kind it is, you sat cottony stuff, but there are several kinds of blow in.

Can you give us a picture, or a better description.

Is this fluffy, or a more dense material.

Color, as well as composition.


ED
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Old 04-17-2018, 09:55 AM   #3
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Re: Thinking of replacing insulation, thoughts?


Quote:
Originally Posted by de-nagorg View Post
Blown in usually is a better insulation than the "pink stuff".

Need to know what kind it is, you sat cottony stuff, but there are several kinds of blow in.

Can you give us a picture, or a better description.

Is this fluffy, or a more dense material.

Color, as well as composition.


ED

Thanks! I'll get some pictures up there. It's blown in... brown in color, fairly dense. Based on what I've seen on This Old House, I will say that it's NOT the typical newspaper / recycled insulation. It's probably been there for a while.

The home is actually pretty well insulated, and I'm surprised how well the home maintains temperature. We turn the A/C on at 73 degrees when we go to sleep. We turn it up to 80, and by the time I get home from work around 3:00pm, the home is still 73-74 degrees with the A/C having never actually turned on. So the temperature loss is pretty minimal.

I figured that since it's so accessible and easy to get to, I might as well.

... there are areas that are lacking insulation either because of the non-Insulation contact recessed lights (which I will be swapping out with LED insulation-contact lights). So I thought that might help.
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Old 04-17-2018, 10:06 AM   #4
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Re: Thinking of replacing insulation, thoughts?


Sounds like you have an efficient setup.

I would leave it alone.

When you change the lighting, you might can add a little more there, but It seems to be working well, why mess with it.


ED
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Old 04-17-2018, 10:14 AM   #5
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Re: Thinking of replacing insulation, thoughts?


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Originally Posted by de-nagorg View Post
Sounds like you have an efficient setup.

I would leave it alone.

When you change the lighting, you might can add a little more there, but It seems to be working well, why mess with it.

ED

Yup... ok, makes sense.

I assume they sell new insulation, the same as the old insulation if I want to "top it off" after I finish all the lighting?


Thanks!!!
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Old 04-17-2018, 10:20 AM   #6
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Re: Thinking of replacing insulation, thoughts?


Depending on it's age there might be new still available, that will be up to you to find out, by discovering what you actually have.

ED
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