1967 Attic Insulation Question

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  #1  
Old 02-16-01, 08:40 PM
kcenicola
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I live in Michigan and I've just purchased my first home. It's a 1967 ranch and during the home inspection I saw that the attic does not have pink fiberglass insulation. Instead it has loose gray stuff in between all the ceiling joists.

If I choose to better insulate the attic, do I have to remove the old gray material first or can I insulate over it with pink fiberglass?

What R value of pink insulation would I need if I'm able to put it over the gray insulation?

In general is this old gray insulation considered very poor and should insulating my attic be a first order of business?

Thank You!

Ken
 
  #2  
Old 02-16-01, 10:17 PM
L
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An attic that was insulated in 1967 is not up to 2001 standards. There is no reason to remove the existing insulation -- just add more over it. But before you go out and spend hundreds of dollars on fiberglass batts, get a couple of extimates to have cellulose blown in by a pro. I think you will find there isn't a great deal of difference in the number of dollars you will spend. However, the pro will blow an attic in less than a day. You will spend a week or more crawling around in the attic to get the batts placed. And the blown cellulose will give you a better job, with few, if any, air pockets.
 
  #3  
Old 02-17-01, 03:47 AM
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The insulation code for Michigan is R-38. You will need to know this when you talk to the cellulose insulation people.
do not even mention you have some insulation there. Just put in R-38 all over. You will notice a difference. The cellulose works terrific. The only way to go.
 
  #4  
Old 02-17-01, 07:40 AM
kcenicola
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Wink

Thank you so much. I like the idea of a pro blowing in cellulose to R38. This particular attic is so very hard do get up into. Just getting rolls of fiberglass up through the access door would be a real trick. Thanks again!

Ken
 
 

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