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4th October 2007, 09:45 PM #1
Intermediate Member
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Does house colour have much effect inside temp?
Title says it all really...
I have a flat roofed single story house in Brisbane, its approx 50 years old, I have insulated the roof with batts and the walls hollow, with Villaboard on the inside and I think weatherboards <wooden> on the outside.
It's currently white and I would love to paint it Colourbond Jasper which is a basically a light chocolate colour.
Mr Mitre 10 told me the change of the house colour would not have a huge impact in inside temp. Is that true? I'd love to think so, but my gut feeling is says hotbox...
Thanks,
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4th October 2007, 10:13 PM #2
GOLD MEMBER
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Mr Mitre 10 is wrong. A white roof will be measurably cooler than a light brown one.
Mick"If you need a machine today and don't buy it,
tomorrow you will have paid for it and not have it."
- Henry Ford 1938
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4th October 2007, 10:29 PM #3
Intermediate Member
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Thanks, I should have mentioned, the roof if Zincalume and its the walls I'm looking to paint.
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4th October 2007, 10:32 PM #4
Timber Hoarder
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You could use Ceramitec paint.
Check it out here.Cliff.
If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.
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4th October 2007, 10:45 PM #5
Senior Member
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Paint Colour
Your gut feel is correct, as is Journeyman Mick. Also worth considering is that lighter coloured paints will last longer than a dark coloured one.
Case in point. My neighbour and I get our houses painted at the same time by the same painter. He likes dark colours we use an off white. Both houses were painted about 8 years ago, just repainted this year. The neighbours place was a complete sand down, set him back about $12000. Our place washed down, sanded in parts cost $5500, both houses similar in size and structure. The only difference the paint colour. The darker colours heat up more and its the heat that does the damage to paint
Colin Howkins
Graceville. Qld
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30th October 2007, 12:16 PM #6
New Member
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It's logical that a dark colour will to some extent make your house hotter - pale colours repel heat dark colours absorb. This for example, very much applies to clothing, so why not other mediums.
