G'day guys and girls.
We've got some fella coming around to give us a quote on ceiling insulation. According to the missues who organized all this, they're also flogging some roof paint that reflects upto 50% of radiated heat (so the website said).

Any thoughts on this roof paint caper?
Edit: We have a concrete tile roof.
Their url is http://greenhousegroup.com.au/Greenhouse/Welcome.html


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