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New wooden windows, doors and joinery

Resene Popular Paint Systems – exterior timber: 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 paint new wooden windows, doors and joinery

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

  1. Thoroughly wash - ideally with Resene Paint Prep and Housewash, rinse well

  2. Options...

  3. Fill any nail holes and cracks with Contract Filler, sand smooth and spot prime

  4. Topcoat options...

Also consider using: Mouldefender and CoolColour

New wooden windows, doors and joinery


Paint edges or scribers the same colour as the window frame
  • Most new windows come pre-primed and are coated in the same pre-primers as weatherboards. Unfortunately the same quality issues also arise – refer to the section on new weatherboards.

  • If windows are puttied (as opposed to using a timber bead) wait until it is firm to touch before proceeding to the painting stage – usually after 10 days, unless a synthetic fast drying putty has been used.

  • It is important to paint the top, bottom and inside edges of the window to ensure a good moisture seal and help reduce swelling. We strongly recommend the full three coat system is applied to these areas.

  • Traditional full gloss solventborne enamels used to be our only recommendation for exterior joinery however because of the significant increase in U.V. resistance that the waterborne enamels have and their ease of application they are now preferred.

  • A full gloss solventborne enamel can still be used – refer later flowchart, however the waterborne equivalent would be expected to perform better.

  • While the basis of some debate we recommend that windows are completed before the weatherboards and that the edges or scribers are (see photo) painted the same colour as the window frames rather than the weatherboard colour if different.

Window edge colour

Key accessories

  • Resene Paint Prep and Housewash A good quality brush is recommended
    • 35 or 50 mm Legend Cutting in brush
  • Contract filler for nail holes
  • Exterior No More Gaps to seal edges
  • 120 grit zinc sterate sandpaper for preparing, transport primers and 180 grit for sanding fillers etc.
  • Paint pot to decant into
  • Scrapper to remove excess dry paint from window
  • Resene Galvo-Prime (500ml is usually enough) for galvanised flashings

Add ons

  • Drop sheets
  • Resene Hot Weather Additive for hot dry conditions
  • Masking tape
  • Turps if Resene Wood Primer is needed
  • Painter’s gloves (good for sanding and painting)
  • Resene MoulDefender

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