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Old 11-06-2010, 09:41 PM   #1
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New Insulation


Itch free, but is it better? Seems like it has a greater R value/inch compared to both fiberglass and cellulose.

http://building.dow.com/na/en/produc.../safetouch.htm

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Old 11-06-2010, 09:47 PM   #2
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I see the same Rvalues...R13, R19 & R30 are all the same
There is also an R22 for a 6" wall in fiberglass.....
....link is only rated at R21

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Old 11-06-2010, 10:16 PM   #3
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If you talk to the insulation companies, its not the fiberglass thats itchy its the glue that holds it together.
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Old 11-06-2010, 10:20 PM   #4
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Quote:
Originally Posted by Scuba_Dave View Post
I see the same Rvalues...R13, R19 & R30 are all the same
There is also an R22 for a 6" wall in fiberglass.....
....link is only rated at R21
I thought fiberglass has about 2.5R/inch, with cellulose about 3.5R/inch. With this new stuff, it's about 3.7R/inch.
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Old 11-07-2010, 12:34 AM   #5
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I bought a bundle of this stuff Handy man88.

It's good stuff...... but.

Cutting it is so difficult. I tried laying a 2x4 over it and cutting it with a utility knife - fresh blade. That was a nightmare. After about an inch or so into the cut, the fibers start dragging with the knife and it's a mess.

So I tried cutting it with a pair of scissors. That wasn't a lot better because scissors won't cut through the full thickness of the batt, so you have to make several passes.

If there's a better way to cut it, I'd buy it again for sure. It seems like really nice stuff - so much better than working with fiberglass.

The plastic backing on it peeled off very nicely if you don't need the vapor barrier.

I didn't try hanging any of it up in a wall. I was using it to fill gaps.

It's sold in bundles of 4' (?) batts, so it's possible that you may not have to cut very much of it anyway.

Have you tried Roxul insulation? That's supposed to be the best insulation to work with.
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Old 11-07-2010, 07:17 AM   #6
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roxul is great stuff give that a try.
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Old 11-07-2010, 07:51 AM   #7
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Quote:
Originally Posted by gma2rjc View Post
I bought a bundle of this stuff Handy man88.

It's good stuff...... but.

Cutting it is so difficult. I tried laying a 2x4 over it and cutting it with a utility knife - fresh blade. That was a nightmare. After about an inch or so into the cut, the fibers start dragging with the knife and it's a mess.

So I tried cutting it with a pair of scissors. That wasn't a lot better because scissors won't cut through the full thickness of the batt, so you have to make several passes.

If there's a better way to cut it, I'd buy it again for sure. It seems like really nice stuff - so much better than working with fiberglass.

The plastic backing on it peeled off very nicely if you don't need the vapor barrier.

I didn't try hanging any of it up in a wall. I was using it to fill gaps.

It's sold in bundles of 4' (?) batts, so it's possible that you may not have to cut very much of it anyway.

Have you tried Roxul insulation? That's supposed to be the best insulation to work with.
What the heck? Sounds like Kevlar.

I had Johns Manville white fiberglass blown in earlier this year, so I won't be needing this new stuff. I just thought I'd report this new product I saw advertised on tv.

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