Types of insulation

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We would paint solar panels black because...
They absorb the heat whichgives off ENERGY
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What is a cavity wall?
2 layers of brick with an air gap in between
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What type of insulation used in cavity walls?
A layer of foam placed in the air gap to stop convection
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Heat loss comes from widows, doors and roofs....
We can stop this by using foam and plastic around it,fibreglass wool and loft insulation
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Payback time is the time it takes to save what you spent...
Payback time= cost DIVIDED by savings per year
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What is cost effectiveness?
The difference between cost and savings over a period of time.
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Other cards in this set

Card 2

Front

2 layers of brick with an air gap in between

Back

What is a cavity wall?

Card 3

Front

A layer of foam placed in the air gap to stop convection

Back

Preview of the back of card 3

Card 4

Front

We can stop this by using foam and plastic around it,fibreglass wool and loft insulation

Back

Preview of the back of card 4

Card 5

Front

Payback time= cost DIVIDED by savings per year

Back

Preview of the back of card 5
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