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Woodcare - outdoor wooden furniture

Resene Popular Paint Systems –
Exterior and interior woodcare© (stains and clear finishes): 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 stain pine/macrocarpa (softwoods)

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


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

  2. Scrub using Resene Timber and Deck Wash. Rinse thoroughly.

  3. Finish options:


  1. Saturate with fresh water and allow to weather for 2-3 days - refer notes.

  2. Finish options:

How to stain or oil kwila/teak (hardwoods)

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

Weathered and greyed

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

  2. Scrub using Resene Timber and Deck Wash. Rinse thoroughly.

  3. Finish options:


  1. If practical, allow to weather for 4-5 weeks. Wash using Resene Timber and Deck Wash to open the timber fibres.

  2. Finish options:

Finishing outdoor furniture - staining or oiling


  • Kwila contains a water soluble tannin which rapidly leaches out when wet (rain or if hosed) - this tannin will stain concrete and tiles, which is why furniture manufacturers recommend it is either left to weather on grass or washed off using Resene Timber and Deck Wash or detergent (it usually takes 2 or 3 washes followed by thorough rinsing with fresh water).

  • Resene Kwila Timber Stain helps retain the original colour however Kwila will quickly fade (as the tannin leaches out it loses the rich reddish brown colour) and the stain will need to reapplied after 3-6 months.

  • Ideally allow hardwood (Kwila or Teak) furniture to weather for 4-6 weeks. Resene Kwila Timber Stain and other stains will be absorbed more readily and last longer.

  • However Pine and Macrocarpa furniture should be washed first using Resene Timber and Deck Wash, rinsed thoroughly and stained before it weathers – ideally within 7 days.

  • We recommend Resene Timber and Furniture Gel in Resene Sheer Black or Resene Jarrah Tree or solventborne Resene Woodsman for Pine and other light timbers (Macrocarpa etc) rather than Resene Kwila Timber Stain or alternatively Resene Decking and Furniture Oil. These are designed to enhance the grain of darker timbers, such as Kwila.

  • Resene Furniture and Decking Oil is a non film forming transparent oil finish that gives mould and U.V. protection to the timber. It does not offer the same level of protection as a pigmented semi-transparent stain such as Resene Woodsman and will need more frequent maintenance as a result.

  • Resene Timber and Furniture Gel needs to be applied directly to the timber and is not designed to be applied over a surface forming stain.

  • Resene Deep Clean is the ideal cleaner for canvas seating as it acts as both detergent and mould killer. Recommend the canvas is removed before staining and cleaning especially if Resene Moss & Mould Killer is used on the timber as it will bleach the fabric (see adjoining photos).

Key accessories - essential to complete the job

Add ons - to make job easier or quicker

  • 3M scourer or Scotchbrite pad
  • Drop sheet
  • Short bristle scrubbing brush
  • Resene Deep Clean – to clean and restore canvas (seats etc)

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