Thermofiber


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Old 07-18-03, 03:35 PM
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Thermofiber

I was talking to a building inspector when I applied for a basement finish permit. I have half of my basement already framed with 2" X 3". The masonry perimeter basement wall is uneven so the spacing between vertical studs and the wall varies from almost zero to almost 2". Our township code requires some fire insulation material to be put between joists and studs as fire stopping. It can be drywall or plywood or what he called thermofiber. Since half basement is already framed it is not possible to put drywall or plywood as firestopping. The inspector suggested me to us thermofiber that can be just stuck between studs and masonry walls. He said I can get it in HomeDepot. I have never heard about thermofiber? Do I staple it to studs? how expensive is it?
 
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Old 07-19-03, 08:25 AM
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agalkin,

I am assuming that we are talking about fire-retardent insulation but I have not heard the name Thermofiber so I will plead the fifth. Maybe Jack, Lefty, Resercon or others can help with this.

Good Luck!
 
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Old 07-19-03, 09:39 AM
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I think it may also be called fire-retardent insulation but my township cals it thermofiber. It is used instead of sheetrock as fire stopping. Anyway, where I can get it and how much does it cost?
 
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Old 07-19-03, 09:53 AM
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agalkin,

I can only give comment on this... compliments of Certainteed....

"Fiber glass insulation is inorganic, and by nature, is noncombustible and maintains its fire retardancy over the life of a home."

As you can see, I have asked that others give response. Fiberglass - Unfaced would be my answer but as I mentioned I asked others for comments who ahve with more knowledge in this area than I.

If need be, call a major lumber yard or Home Depot as to what they carry.

Hope this helps!
 
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Old 07-19-03, 10:27 AM
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fire stop

Im sorry I dont know just what he is talking about here. But I would not try and use fiberglass insulation in any way as a fire stop. Oh thats for sure it dont burn at all but it will just melt out and let the fire go where it wants. Use to sell cellulose insulation and if it looked like about to lose the job would take a hunk of the fiberglass insulation and a small torch and put it on the FG.Boy it justs melt away. Take some cellulose in your hand and put the torch to it, it would just glow thats all you didnt feel it on your hand. So got the job. Also had some pictures of homes that had a fire. They had cellulose fiber insulation in the attic. the whole roof was gone but the fire never did get down into the home. Just my .02 cents worth ED
 
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Old 07-19-03, 07:59 PM
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Thermofiber type insulation is widely used with appliances like dryers, ovens, boilers and furnaces. In most cases it is a high density type of insulation. Each town has their own codes, this is the first time I heard of using this product as a fire stop. More than likely the inspector was referring to rock wool insulation which has a very high flash point. This insulation does not cost that much more than fiberglass insulation, but I recommend you go to Home Depot and find out more about this type of insulation and then contact the building inspector to see if it is acceptable before purchasing and installing it.

For your information, rock wool or mineral wool is a slag of the steel making process. Besides using it as insulation it is commonly used as packaging material for gunpowder and other simlar volatile products.
 
 

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