Dark colours on areas such as roofing are suntraps soaking in the sun's rays placing significant relentless stress on the coating and the substrate. All dark colours absorb a lot of light. This in isolation is not an issue however in combination with the light absorption dark colours also absorb heat from the infrared rays of the sun causing significant temperature build up on the surface. White and light coloured paints reflect both light and heat and therefore are not affected.
The unique formulation and materials of the Resene CoolColour range allows them to absorb light so they look the same but simultaneously reflect a large proportion of the heat falling on them keeping the surfaces significantly cooler than their standard counterparts. In essence, the colours work by reflecting energy in the near and far infra red region of the spectrum even though they absorb strongly in the visible region. The end result being that a Resene CoolColour will look the same as a standard colour but surface heat will build up slower and to a lower level than a 'not so cool' traditional colour.
In hot summer conditions a Resene CoolColour will help keep the coating, substrate and surface cooler, reducing heat buildup and stress.
Resene CoolColour technology performs optimally on dark colours that are the most prone to heat build-up, which makes it ideally suited for dark roofing and wall colours. It’s available in a wide range of Resene exterior products and colours, including Resene Hi-Glo gloss waterborne, Resene Sonyx 101 semi-gloss waterborne, Resene Lumbersider low sheen waterborne, Resene Summit Roof satin waterborne roof finish, Resene AquaShield mineral flat, Resene X-200 waterproofing membrane, Resene Walk-on paving paint, Resene Waterborne Woodsman penetrating oil stain, Resene SpaceCote Flat waterborne enamel.
Project finished in Resene Woodsman CoolColour Pitch Black.
Photographer: Lightforge Photography
Project by Barry Connor Architects.
- CategoryExterior Paints
Enjoy the benefits of using a Resene CoolColour finish:
- A reduction in the sun’s heating effect on exterior surfaces.
- Reduced heat related substrate movement, which helps improve the durability of both the substrate and the paint system. This is important for most cladding types.
- Ability to choose a darker colour than you might otherwise be able to.
- Depending on the project, reduced air conditioning cooling costs (on a like for like colour basis).
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Resene CoolColour Wood Stains
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Resene has everything you need for your decorating project, from quality colour and paints, decorating accessories and professional advice to help you get a superb finish on your project inside or out. Choose from thousands of colours or let us create a custom colour match for you. Once you’ve chosen your favourite get it tinted into the Resene product of your choice using Resene’s exclusive non VOC tinters. Complement your paint choices with our wide range of wallpaper, wall decals, curtains and cushions to bring the complete look together.
If you’re painting a dark colour outside, consider opting for a Resene CoolColour™ finish. A Resene CoolColour is made with special pigment technology so it reflects more heat than normal, keeping your paint and home cooler.
We also have an extensive range of wood stains, metallics, clear finishes, specialist and textured finishes to bring out the best in your home.
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