What is a ‘good insulation’?

Question - what is a good insulation A good insulation is measured by its ability to restrict heat transfer. This is expressed by a number of different ‘values’.

Lambda values

‘Lambda’ [lam-duh] is the 11th letter of the Greek alphabet (λ). However … Read the rest

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What’s in a ‘value’?

U-value, lambda value, r-value

Image: nyphotographic.com – CC BY-SA 3.0thebluediamondgallery.com/scrabble/v/value.html

If you’re new to the industry, you’ll soon discover that the word ‘value’ is thrown around like there’s no tomorrow. More often than not, this ‘value’ is accompanied by a letter –… Read the rest
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