Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: can this be used to insulate ducts in attic (used to supply hot and cold air)
Document: I have a 12000 BTU Portable Air conditioner I use to cool my living room during the summer. I have a Window Kit so that the exhaust duct has proper mount. The Window Kit is sealed and very effective. The problem with portable air conditioners is the exhaust hose gets really, really hot. I have used a surface thermometer and it is more than 115 degrees on the surface of the hose at the hottest point.I tried wrapping it with towels but it just lowered it to about 96 degrees. So I decided to try this.
Got this for a great price with fast shipping and used to wrap my ducts in my crawl space. Keep in mind to always use aluminum tape with any duck work, it just works the best.
I used this to insulate the discharge heat from two self contained AC units.The heat leaving was creating as much heat as the units were cooling.The vent tube without the duct wrap was 118 with the duct wrap 75 ishFor me the wrap was too wide to easily use as a spiral wrap-this is the only knock on the product.
And it is a good thing I did.After wrapping the exhaust hose with this and sealing it with Reflectix Tape, I tested the temperature. It was 84 degrees. that is 30% cooler that before with just a single layer of this. I could probably wrap it twice to even get that lower.The portable air conditioner is blowing really cold air now, and it not having a hard time anymore. A must have for Portable air conditioners. Highly recommended with the Relectix Tape. ******UPDATE September 3, 2013******Since my first Portable AC was so successful, I went and got a Portable AC for all our rooms.
I bought this based on some other reviews here on amazon when my portable AC unit just couldn't seem to get the room cold enough. We like it brr 74 degrees maximum and we could not get the Danby Portable Air Conditioner to cool lower than 78. This tape is twice as wide as I needed it to be so I just cut it up the middle and got twice the length out that way. It does not look appealing and even with theReflectix FT21006 Foil Tape, 3" Length x 2" Width (Pack of 6)it doesn't quite stay flush as I'd want it (in other words the tape cannot hold it for long and pops open).
Well, actually I wanted to put 4 layers but I ran out of insulation since my 14 K has 2 hoses. But boy does it make a difference when you use this wrap. The 14k would get as hot as 120 degrees at the hottest area. I got that down to 3 degrees over room temperature.Now, the way I install it is that I make sure that it is snug with the hose. The only way to do this since the hose bends during installation is to install and mount the hoses first, then proceed to wrap the hoses.
Perfect for insulating the duct work on portable air conditioners. Best to cut the Wrap into 6 inch strips first.
We have a AC duct in garage which was insulated with regular yellow insulation and was looking very bad with dirt. I used this to wrap on top of that and now my garage looks very nice!
This helped to fix our issue of our heat pipes sweating in the summer and not heating the bedrooms in the winter. We used this to cove the pipes in our garage for the up stairs actually need another couple of rolls.
When I began my search, I didn't know what I was looking for. I have 2 portable air conditioners and the exhaust tubes heated up beyond belief.....so much so that I wondered if that heat cancelled out the benefits of the AC units. I wanted some type of insulation that wasn't that fuzzy, pink stuff. I happened upon this product and read the reviews. Some one else had purchased it for the same reason and was very happy with it.It is very flexible and easy to work with.
Answer: yes