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Customer Discussions > Home Improvement forum

Foil faced insulation


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Showing 1-17 of 17 posts in this discussion
Initial post: Jun 7, 2011 12:08:33 AM PDT
Where has the foil faced fiber glass insulation gone?
All that seems to be stocked these days is kraft paper faced stuff.
I like the foil faced material as it affords slightly better moisture resistance and the aluminum foil also acts as an infrared radiation reflector.

Owens Corning makes it -- but not for residential applications
Johns Manville has it but same as O-C commercial.

So what's the story-- code change I'm not aware of?
Out of style? Too expensive for the box stores and small jobbers?

Toughts?

Regards,
Bob

Posted on Jun 7, 2011 11:06:35 AM PDT
Last edited by the author on Jun 7, 2011 11:07:31 AM PDT
swede says:
sick building syndrome often is associated with assemblies using foil . since it is a application specific product there is room for error ,hence the trend for commercial retail. building science is a good search term in this area

Posted on Jun 17, 2011 11:21:29 AM PDT
Bone says:
Real aluminum foil is a great radiation barrier when there's a gap on both sides of the surface. But putting it against another surface negates this, because the material is also a good conductor.

Posted on Jun 22, 2011 3:25:51 PM PDT
G. Warren says:
I too have been looking for it.. for a utility room. I finally just bought a roll of the foil paper to put over the craft paper fiberglass insulation.

Posted on Jun 30, 2011 11:36:14 PM PDT
Only stuff i see being sold is paper , or plastic.

In reply to an earlier post on Jun 30, 2011 11:45:11 PM PDT
Thanks for the information!
I had a feeling that sick building syndrome might be an issue.

In reply to an earlier post on Jun 30, 2011 11:46:33 PM PDT
Thanks for the info!

In reply to an earlier post on Jun 30, 2011 11:47:32 PM PDT
Foil faced insulation is available-- but on special order and then you'll have to order a minimum of X number of rolls of the stuff.

In reply to an earlier post on Jun 30, 2011 11:49:40 PM PDT
Foil faced fiberglass insualtion is available-- but on special order.
It's used in specific assemblies-- and generally in commercial applications.
The box stores don't carry it nor do most retail oriented supply outlets.

Posted on Jul 7, 2011 4:49:36 PM PDT
hi says:
i wouldn't place too much blame on SBS, new energy efficient homes are almost air tight, proper ventilation is always key i guess.

In reply to an earlier post on Jul 7, 2011 6:19:04 PM PDT
Howdy Hi-

But your comment doesn't answer why it's nearly impossible to obtain foil faced insulation.
I can have it special ordered-- but then I have to buy 5 or 6 rolls.

I've contacted half a dozen building materials supply houses.

Posted on Sep 12, 2011 8:22:16 AM PDT
We have a dry basement that we want to finish. It currently has foil faced insulation blanket on the top half. Can this insulation be removed to accomodate studs and recut to be used between the studs?

In reply to an earlier post on Sep 12, 2011 9:29:23 AM PDT
Howdy Daniel-

Since I'm not able to see your construction site / application I have to take some liberties on my assessment of your situation. If you have the traditional fiberglass insulation batts that are backed (or faced) with a craft paper that's covered with a thin aluminum foil then yes, you can carefully remove the insulation and cut it as you wish for your application. Many types of craft paper that are used on insulation often age over the years and become brittle-- so it weakens and is less tolerant to handling than when new. Nevertheless you can reuse this insulation if it is mold and "invader" free-- that is free of mouse nests, bugs and other nuisances. You have to asses the effort you have to expend on reusing the old materials versus buying new "fresh" materials. Very often it's no advantage if you value your time on salvaging old materials. I like the foil faced insulation for some applications. I've never performed a scientific test comapring plain faced insulation to foil faced types- but at very least foil exhibits more resistance to moisture infiltration than plain paper faced types. The aluminum also acts as an infra-red reflector which tends to reflect heat back to its source.

In reply to an earlier post on Sep 12, 2011 9:42:29 AM PDT
Thanks Robert.....the house is about 5 years old so I believe the insulation should be fine. The insulation is a 4' wide roll installed horizontally on the top half of the basement walls. It is stapled into firring strips. I assume it makes more sense to take the insulation down before studding.....and then reuse the insulation between the studs? (good job more the spouse!)

Posted on Nov 15, 2013 8:49:04 PM PST
Mark Axen says:
Plan to use J-M FSK-24 foil faced batts to insulate new garage open ceiling. This is the fire retardant version, and the foil will reflect heat back into the garage.

Posted on Nov 30, 2014 8:40:01 AM PST
The reason foil faced fiberglass is hard to find is because people think its too expensive so stores don't stock it; simply supply & demand. Foil faced foam board and foil faced bubble wrap are both readily available at Menards store in the mid-west. I love the bubble wrap. it reflects heat back in and heat OUT in summer, acts as a vapor barrier and can enhance the R-value of insulation if properly installed; foil enhanced insulation research goes back to the early 1980's. Our local Menards stores sell foil faced fiberglass, and foil faced builders board (buffalo board) too.

In reply to an earlier post on Dec 27, 2014 3:40:08 PM PST
Last edited by the author on Dec 27, 2014 3:52:49 PM PST
Sam says:
I recently bought a small roll of insulation at a big box store. It's made by Frost King .
It's 12 inches wide, 15 feet long, and rated as 2 inches thick. Instead of the aluminum facing/Kraft paper/fiberglass product that you're looking for, this product has an aluminized plastic covering the conventional fiberglass insulation. Essentially, the paper has been replaced with plastic. The product is sold as duct wrap. I don't see any ratings for flame spread or smoke produced as was printed on the older duct wrap insulations, which often came in 4 foot wide rolls. Perhaps the manufacturer can tell you what size rolls are available, and other information such as code restrictions.
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Discussion in:  Home Improvement forum
Participants:  10
Total posts:  17
Initial post:  Jun 7, 2011
Latest post:  Dec 27, 2014

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