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Tel: 021 555 3766
EMail: richard@eco-insulation.co.za

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Monday, February 28, 2011

HOW INSULATION WORKS

Clients and architects often ask us what the most important property is of a good insulation material, so with apologies to those of you who know it already, here is a short note on the basics.

To change the temperature of an object, energy is required in the form of heat to increase temperature (e.g. by using heaters), or reduce temperature (e.g. by using air conditioners). Once the heat generation or heat extraction stops, a reverse flow of heat happens and the temperature returns to ambient.

So, to maintain a comfortable temperature, considerable continuous energy is required, most of the year round. Insulation reduces this energy flow.


Thermal insulation acts as a barrier to the movement of heat,  therefore slowing down the escape of heat from a building in winter (when the outside temperature is lower) and the entry of heat into a building during summer (when the outside temperature is higher).


The resistance that insulation offers to the flow of heat is called its R-value. The higher the R-value, the more effective the insulation. The thicker the material, the higher its R-value. In practice, a unit of measurement called thermal conductivity is actually determined. This unit gives the speed that heat is transfered through a material. So the lower the thermal conductivty, the higher the R-value.

We will be exploring R-values in more detail soon, but for those of you who want to download fact sheets or tachnical data, do go to our website: http://www.eco-insulation.co.za/


Thursday, February 10, 2011

CLIMATE CHANGE - A LOOMING REALITY

It's a good thing when a leading global figure asserts himself (or herself) on the subject of global warming and climate change.

Today, Prince Charles, Prince of Wales has stated clearly that people who do not accept the reality of climate change are "Playing a reckless game of roulette". He went on to ask "How are these people going to face their grandchildren and admit to them that they failed their future?". (Independent Media - 10 Feb 2011)

It is a chilling thought, isn't it? That's why at Eco-Insulation, we are firmly nailing our colours to the war against global warming. And our families and the younger generation are supporting us, too. For their own sakes.

We believe that by placing Eco-Insulation in the roof, you are not only reducing your energy reliance on heating or cooling, but are helping to consume a waste stream of paper, by upcycling it into our exclusive, SABS-Approved, fire-rated thermal insulation.

Go to http://www.eco-insulation.co.za/ - or call one of our friendly installers whose details appear on the website, to see what can be done to mitigate against climate change TODAY.