The Cornerstone Building system has a minimum R value of 4.3 varies on thickness and grade, making it a highly rated system. Go to www.4-cornerstone.com for testimonials from builders, specifiers, happy homeowners. Save time,money, energy therefore reducing our carbon footprint and impact on the environment, so yes everyone doing their bit will save the planet. Music by band "Bhang Bhang" Daniel Gibson vocals & bongos,Darryn Andrews lead guitarist,Mike Watt Keyboard,John Parkinson bass, Luke Smiley drums.

Channel: Sci & Tech Channel

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