Thermal Insulation

Purpose
To introduce resistance to prevailing thermal mass, to either resist or to limit loss or gain, from one side of the medium to the other.

Design Function
In domestic and general buildings, to limit heat loss through the ceiling and walls where the construction uses a thin membrane material such as plasterboard as a barrier lining.
Its corresponding use as a thermal resistor to high heat loads eg. in the roof comes with a plus minus effect in that the greater the amount of insulation the longer the building took to cool down of an evening.

Various entities including govt. based organisations will attempt to suggest that insulation will provide all the necessary comfort levels desirable but disappear into the night when asked to show their rationale.

If a manufacturer or promoter of any product, cannot tell you the relationship between their product and those that it will be used with, then they know little about what they are promoting or selling, or in telling you, would disadvantage their claims.

The reality is that there is no advantage without a corresponding disadvantage and anyone advising differently should be questioned as to rationale.

Bigger or Greater is not Better!

In most conditions, the use of an insulative medium above r3.0 is not warranted and even then should be used in a manner so saturation does not occur, and any high heat load absorbed can be dissipated quickly and efficiently.

A decision should never be made until a full awareness has been gained.

Unfortunately there are those that think that when a word ends in ‘ion’, one is a substitute for the other.
A dangerous presumption!

Insulation, Ventilation. Air Condition have totally separate areas of function and the use, or perceived predominance, of one does not replace, or is a substitute for, the other.

In simple terms:

Insulation - is like putting an on overcoat
Ventilation - is like breathing
Air Conditioning -cooling -a cost based climate system controlling living conditions based consumption of electrical energy with or without water.

Putting on an overcoat is not going to make you breathe any better,
and turning on the air conditioner is not going to improve the quality of air.

Conversely, breathing well is not going to make you any warmer, but it will keep you healthier.

Use the right product for the right reasons

As with anything, correct understanding always produces the best decisions

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