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Repainting roofs in good condition

Resene Popular Paint Systems –
Roofing products and roof paint preparations: training notes

This web page is an edited version of the Resene Best System Selling training notes provided to Resene staff and is provided to enable you to gain a greater understanding of the substrates and paint systems you may encounter in your decorating project. It is impossible to cover all decorating scenarios in a single document, so if you are in doubt about any aspect of your project please contact Resene for assistance.

How to repaint roofs in good condition

Note: Refer to the PDF flowchart for a visual of the steps below:

  1. Treat moss and mould with Resene Moss & Mould Killer

  2. Wash thoroughly using Resene Roof Wash and Paint Cleaner to remove any contaminants, mould etc. Lichen may need to be scraped off

  3. Spot prime any bare areas with Resene Galvo One

  4. Topcoat options:

Repainting roofs in good condition

1 To optimise the benefits of the Resene Cool Colour topcoat use Resene Cool Primer

Things to consider:

  • What sort of roof do you have?
  • Do you know how old the roof is?
  • Do you live close to the sea, say within 500 metres?
  • Is access a problem?
  • What is the floor area of your house?
  • Do you have any moss, mould or lichen on the roof?
  • Do you have any rusted areas?
  • What colour do you have in mind?
  • Have you considered Resene Cool Colour paints?

Notes:

  • Existing roofs in good condition simply need thorough washing with Resene Roof Wash and Paint Cleaner to remove chalking, dirt and salt deposits, followed by a good rinse with clean water. Remember to disconnect spoutings if rainwater is collected.

  • Consider using a Resene Cool Colour to minimise heat retention if selecting a dark colour.

  • Resene Moss & Mould Killer will be needed if there is any moss and mould present, often where trees overhang roofs. Lichens will need to be scraped off.

Key accessories essential to complete the job

  • PAL corrugated roller kit (if painting corrugated iron)
  • Resene black 75-100mm brush for cutting in flashings and the ends of sheets, Haydn Genius or PAL Legend if painting longrun on trough section
  • Resene Hot Weather Additive
  • Resene Roof Wash and Paint Cleaner
  • Roller extension pole
  • Turps for Resene Galvo One

Add-ons – to make the job easier or quicker

  • Gloves
  • Hand cleaner
  • Paint pots (especially when 10 litre pails are bought)
  • Scraper to remove lichen
  • UV protection

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