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Top protection for your roof

From the Resene decorating blog

Before you choose a Resene roof paint system, check the condition of your roof. For example, is it new, weathered or rusty? Details like these will help you get the right advice when you visit your local Resene ColorShop or Reseller, and a better result when you come to paint.

How to paint and protect your roof

Resene Summit Roof is a unique waterborne satin for ease of application and maximum life over well weathered COLORBOND®, COLORSTEEL®, properly prepared metal surfaces and cementitious surfaces. Resene Summit Roof solid colours may be applied directly over the following substrates: new previously uncoated galvanised iron, new aluminium, new previously uncoated Zincalume or sound cementitious surfaces. For best protection, prime the substrate first. New unweathered COLORBOND® or COLORSTEEL® must either be lightly sanded, or allowed to undergo direct weathering for a minimum period of one month before application of Resene Summit Roof.

Resene Summit Roof Metallic mix and metallic colours are not designed for direct to substrate application.

Paint and tank water

Recommended systems for domestic water collection off roofs are Resene Galvo One or Resene Galvo-Prime with Resene Summit Roof, Resene Hi-Glo or Resene Mica Bond.

Disconnect all downpipes before applying Resene roof paint. Reconnect downpipes after the first heavy showers have flushed away stabilising surfactants from the new paint film.

Protect your roof with Resene

To view more of this project see "Let the sun shine."

How much roof paint?

A good rule-of-thumb guide for calculating quantities is: your house’s floor area plus about 40% (allows for roof pitch, corrugations, soffit overhang, etc). Trough section roofing can require significantly more.

Typically a complete roof paint system requires surface preparation using Resene Roof and Metal Wash, one coat of primer and two coats of topcoat at the recommended coverage rate specified on the product packaging.

Colour range

The colours on the Resene Summit Roof chart have been chosen for the durability and colour-fastness of their pigments. You can also choose from many other colours found on other Resene colour charts. Resene roof paints are available colour matched to COLORBOND® or COLORSTEEL® colours for trims, flashings, gutterings and repaints. For heavy duty applications, Resene can supply a full range of specialist coatings. For further information contact your local Resene ColorShop or Reseller.

Added protection

In common with all surface coatings, the colour of your paint finish may be affected by U.V. light. Resene uses high quality pigments, but even these are liable to change after constant exposure to sunlight. Any changes will be gradual, but after a few years the difference between shaded and exposed areas may become noticeable.

Resene Clearcoat UVS protective glaze may be used as a finish coat over freshly painted bright organic hues and shades to protect these more vulnerable pigments against fading.

Keep your place cooler with a Resene CoolColour™

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.

The unique formulations and materials of the Resene CoolColour range allows them to absorb visible light so they look like normal colours but simultaneously reflect a large proportion of the heat falling on them keeping surfaces cooler. 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.

Using a Resene CoolColour more of the sun’s energy will be reflected and 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 reduce stress on the coating and substrate and will help keep the roof temperature down.

Resene CoolColour technology performs optimally on dark colours that are the most prone to heat build-up, which makes them ideally suited for dark roofing colours.

View the Resene Roof Systems colour range for the most popular roof colour options. Resene roof paints are also available in a wide range of other Resene colours.

December 15, 2007

Visit your local Resene ColorShop for expert advice and all the products and accessories you need to make the most of your home.

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Colours shown on this website are a representation only. Please refer to the actual paint or product sample. Resene colour charts, testpots and samples are available for ordering online.   See measurements/conversions for more details on how electronic colour values are achieved.

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