Insulation Presentation - Lucas

Insulation
Lucas THIERIOT
Experiment
• During the experiment, we
created a house made of
cardboard and we used
four different materials to
insulate the house:
Aluminium, Bubble wrap,
Cardboard, and Cotton
Wool.
Results
• The results of our experiment were Graph on the heat loss of water over 10 minutes with different
Temperature (°C)
insulation
pretty clear as which type of water 85
cooled down slower and which one 80
did cool faster. As you can see the 75
on the graph on the left, the water 70
without insulation started hotter

65
60
but then cooled down and dropped 55
fast. The water with the insulation 50

0 1 2 3 4 5 6 7 8 9 10
on the other hand started cooler Time (m)
than the other one but cooled Temperature (°C) Without insulation Temperature (°C) With insulation
down much more slowly.

The way we could improve the house would be by
Materials adding insulation on the top of the house to trap all of
the air which tries to go out. By doing this we could
highly reduce the heat loss.
• I have used the different materials in different

places. The cardboard was forming the walls of the
house, but also the floor. The cotton wool has been
used for the walls. The cotton wool will trap the air
inside stopping any convection and also as there is
air in the middle of the wool conduction will not be
important. We used bubble wrap to help the wool
although it has pretty much the same properties.
The last thing that we use is aluminium. In our
experiment we used aluminium to reflect the heat
inside the box in order that it doesn’t go out too
fast.
Improvements
• Now I am going to talk about how the insulation of the
house could be improved. I am going to take a few
things in consideration (political, ethical, and
environmental issues) when choosing my
improvements. For this example I am going to chose
cellulose insulation.
• Cellulose insulation is a very good insulator because
like cotton wool it is full of air pockets that trap air
inside stopping any convection current and reducing
conduction.
Advantages
• Cellulose insulation is made of recycle paper mixed with other
recyclable materials. As when you renovate houses it is hard to
access the old insulation to put new one, usually the preferred
way is blow cellulose insulation between the walls as it is easy
to do and does not require to have a lot of space. It is also very
resistant to fire as we spray a solution which makes it not more
flammable than another common insulator. Cellulose insulation
is also very cheap. As it is blown it is in the form of a powder it
will not be blocked by obstacle unlike solid insulators.
Disadvantages
• cellulose insulation is made out of only 75% of recyclable materials
which means that it is containing 25% of other products (in this
case chemical products). In order to be fire resistant it is sprayed
with another chemical products which isn’t good either. As it is
made of paper, after a certain time it can get moistures and start to
decompose, and so you will have to put some again. At the same
time it is a thick powder so it could settle and loose its volume over
time which would decrease the size of the air pockets. This will
result in creating convection currents and improving conduction.
Conclusion & Bibliography
• In conclusion we could say • “Cellulose Insulation vs Fiberglass Insulation.” Diffen, Diffen,
www.diffen.com/difference/Cellulose_Insulation_vs_Fiberg
that cellulose insulation lass_Insulation
.
isn’t bad and that it could • “Eco-Friendly Cellulose Insulation.” 123RF, 123RF,
be used to complete the www.123rf.com/photo_72399670_eco-friendly-cellulose-in
sulation-made-from-recycled-paper-for-building-constructi
insulation of our house. ons-insulation-for.html
.
• “Https://Www.youtube.com/Watch?
v=HBP9x_3LgEM&t=752s.” C'est Pas Sorcier -BIO-HABITAT :
La Maison Se Met Au Vert, YouTube, 27 May 2013,
www.youtube.com/watch?v=HBP9x_3LgEM&t=752s.
• Wallender, Lee. “What You Should Know About Blow-In
Cellulose Insulation.” The Spruce, The Spruce, 19 Oct. 2019,
www.thespruce.com/cellulose-insulation-basics-1821904.

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Insulation

did cool faster. As you can see the 75

on the graph on the left, the water 70

without insulation started hotter

fast. The water with the insulation 50

on the other hand started cooler Time (m)

down much more slowly.

• I have used the different materials in different

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