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re: OT Engineers—How Insulating is Bubble Wrap?

Posted on 12/21/22 at 4:11 pm to
Posted by rltiger
Metairie
Member since Oct 2004
1358 posts
Posted on 12/21/22 at 4:11 pm to
quote:

African or European Bubble Wrap?

Miricun. Dafaq do you take me for, some kind of hippie?

Someone needs to broaden their film library


If you are over 50, you should be very aware of the swallow reference.

Posted by VanRIch
Wherever
Member since Sep 2007
10997 posts
Posted on 12/21/22 at 4:11 pm to
quote:

Not sure air is a very good insulator.

10 upvotes for this. Sheesh. Air is a great insulator.
Posted by GumboPot
Member since Mar 2009
132660 posts
Posted on 12/21/22 at 4:13 pm to
quote:

Try foil. I put it in the windows of my home and it works great.


Such a classy look.


Just do the entire house.

Posted by StupidBinder
Jawja
Member since Oct 2017
6392 posts
Posted on 12/21/22 at 4:15 pm to
quote:

JudgeHolden


I think you posted this just so those of us who don’t know jack about physics would out ourselves
This post was edited on 12/21/22 at 6:51 pm
Posted by bee Rye
New orleans
Member since Jan 2006
34175 posts
Posted on 12/21/22 at 4:17 pm to
quote:

That's exactly how it works. There's a reason why Yeti cups are "evacuated cylinders." The vacuum pulled reduces the molecules available to convect within the walls.

Will an air pocked slow down heat loss? Yes. Would I, as an engineer and certified energy manager use it to wrap my pipes before this cold front? Only as an absolute last resort. As someone above mentioned, an old rag and duct tape will work far better.

what does any of that have to do with an air mattress laying on a floor?
Posted by tigeraddict
Baton Rouge
Member since Mar 2007
13280 posts
Posted on 12/21/22 at 4:21 pm to
google search:

"The R-value of bubble wrap insulation is very low (1.0 or 1.1) and it is affected by compression."

comparison (old rags):

"The R value of cotton is about 3 to 4 per inch."


so better to wrap with rags the wrap with duct tape to make it water resistant
Posted by OweO
Plaquemine, La
Member since Sep 2009
117346 posts
Posted on 12/21/22 at 4:24 pm to
Question. Is bubble wrap the only tool for wrapping faucets available?
Posted by Proximo
Member since Aug 2011
20027 posts
Posted on 12/21/22 at 4:37 pm to
Why don't you go to Lowe's and spend the $3 for a section of pipe insulation
Posted by rt3
now in the piney woods of Pineville
Member since Apr 2011
143983 posts
Posted on 12/21/22 at 4:37 pm to
There was a Mythbusters episode where Jamie Hyneman used bubble wrap & duct tape to keep himself insulated from the cold overnight at the Grand Canyon
Posted by jamiegla1
Member since Aug 2016
7552 posts
Posted on 12/21/22 at 4:44 pm to
quote:

what does any of that have to do with an air mattress laying on a floor?

Why dont you find an inflatable air jacket to wear during the winter?
Posted by Oilfieldbiology
Member since Nov 2016
39755 posts
Posted on 12/21/22 at 4:44 pm to
quote:

Not sure air is a very good insulator.


It’s an excellent insulator. The lack of matter and the relatively low chance of contact between air molecules compared to liquids and some solids make it a very good insulator.
Posted by Oilfieldbiology
Member since Nov 2016
39755 posts
Posted on 12/21/22 at 4:47 pm to
quote:

Only as an absolute last resort. As someone above mentioned, an old rag and duct tape will work far better.


Why?
Posted by Oilfieldbiology
Member since Nov 2016
39755 posts
Posted on 12/21/22 at 4:49 pm to
quote:

There was a Mythbusters episode where Jamie Hyneman used bubble wrap & duct tape to keep himself insulated from the cold overnight at the Grand Canyon


And?
Posted by Dawgfanman
Member since Jun 2015
24713 posts
Posted on 12/21/22 at 4:49 pm to
The outside faucet should have a cutoff just inside the house. Cut it off there, drain the water, don’t worry about it.
Posted by TheHarahanian
Actually not Harahan as of 6/2023
Member since May 2017
21566 posts
Posted on 12/21/22 at 4:58 pm to

It should be a very good temp insulator if there are several layers.
Posted by OweO
Plaquemine, La
Member since Sep 2009
117346 posts
Posted on 12/21/22 at 5:00 pm to
quote:

There was a Mythbusters episode where Jamie Hyneman used bubble wrap & duct tape to keep himself insulated from the cold overnight at the Grand Canyon



Do we have to wait until the next episode for you to tell us the results?
Posted by mikelbr
Baton Rouge
Member since Apr 2008
48581 posts
Posted on 12/21/22 at 5:06 pm to
It worked.

quote:

Bubble wrap can be used to make warm clothing.

CONFIRMED

The temperature at the desert wasteland was around 32 °F (0 °C). To survive, Adam and Jamie crafted ponchos and gloves from bubble wrap held together with duct tape. The bubble wrap was effective at insulating them from the cold.


Posted by OneMoreTime
Florida Gulf Coast Fan
Member since Dec 2008
61841 posts
Posted on 12/21/22 at 5:20 pm to
quote:

quote:

There was a Mythbusters episode where Jamie Hyneman used bubble wrap & duct tape to keep himself insulated from the cold overnight at the Grand Canyon
And?
he died. It was the last episode
Posted by BOSCEAUX
Where the Down Boys go.
Member since Mar 2008
49685 posts
Posted on 12/21/22 at 5:38 pm to
I read this as “how insulting is bubble wrap”
Posted by BHM
Member since Jun 2012
3575 posts
Posted on 12/21/22 at 5:45 pm to
quote:

free standing faucet



If it is just a pipe and faucet sticking out the ground, bubble wrap or most any other insulator will not prevent freezing. It may prolong it but without a heat source, it will eventually freeze.

You would be better off wrapping with an insulator and then cover with a five gallon bucket. This would allow any heat from the ground to prevent freezing
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