Description
Dulux Primer and Undercoat for Wood – Essential Base Coat for Interior & Exterior Woodwork
Dulux Primer and Undercoat for Wood is a professional-quality base coat designed to prepare and protect bare and previously painted timber before top-coating. This versatile paint primer improves adhesion, seals porous wood surfaces and promotes a smooth, long-lasting finish when used under your chosen Dulux topcoat — including gloss, satinwood and eggshell finishes. Whether you’re decorating internal doors, skirting boards, window frames or external timber joinery, this primer and undercoat ensures a durable and consistent result.
Key Features & Benefits
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Dual-action formulation – Combines the benefits of a primer and undercoat in one product.
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Improves adhesion – Helps topcoats bond more effectively to timber surfaces.
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Seals porous wood – Reduces uneven absorption and enhances finish quality.
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Smooth undercoat base – Minimises grain raising and brush marking.
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Interior & exterior use – Suitable for both indoor and outdoor woodwork projects.
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Compatible with Dulux topcoats – Ideal under Dulux Quick Dry Gloss, Dulux Satinwood, Dulux Eggshell and other decorative finishes.
Using a dedicated primer and undercoat for wood helps deliver a finish that lasts longer and looks more uniform.
Typical Uses & Applications
Dulux Primer & Undercoat for Wood is designed to be used on:
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Bare timber doors and trim
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Window frames and external joinery
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Skirting boards, architraves and wooden trim
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Wooden garden furniture and external woodwork
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Previously painted wood surfaces that require renewal
For the best long-term results, pair this primer with a premium topcoat such as Dulux Quick Dry Gloss Pure Brilliant White or Dulux Simply Refresh Multi-Surface Eggshell depending on the level of sheen and surface requirements.
Technical Specifications
| Specification | Details |
|---|---|
| Finish | Matt undercoat |
| Application | Brush or roller |
| Coverage | Up to ~14–16 m² per litre (approx)* |
| Drying Time | Touch dry ~1–2 hrs; recoat ~4–6 hrs |
| Suitable Surfaces | Interior & exterior bare or previously painted wood |
| Compatibility | Dulux gloss, satinwood, eggshell & emulsion finishes |
| Typical Sizes | 750 ml / 2.5 L |
*Coverage figures are approximate and may vary depending on surface texture, porosity and application method.
How to Apply – Preparation & Best Practice
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Prepare the Surface: Ensure timber surfaces are clean, dry and free of grease, dust and loose paint. Sand down any rough areas.
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Stir Paint Thoroughly: Mix the primer and undercoat before and during use to maintain even consistency.
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Apply Even Coats: Using quality tools from our paint brushes & rollers collection, apply evenly with smooth strokes.
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Drying & Recoat: Allow the primer to dry thoroughly (typically around 2–4 hours) before top-coating with your chosen finish.
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Top Coating: Finish with Dulux gloss, satinwood or eggshell paint for enhanced aesthetics and protection.
Proper surface preparation and application will help ensure a professional, long-lasting finish.
Frequently Asked Questions – Dulux Primer & Undercoat for Wood
Why should I use a primer before painting wood?
A primer helps seal porous wood fibres, improves adhesion of the topcoat, reduces the number of finish coats required and enhances durability over time.
Can this product be used outdoors?
Yes — when used under an appropriate exterior topcoat, this primer is suitable for outdoor timber surfaces such as garden joinery, window frames and gates.
How long should I wait before applying the topcoat?
Allow approximately 4–6 hours (depending on temperature and humidity) for the primer to dry before applying your chosen decorative topcoat.
Is this primer compatible with all Dulux finishes?
This primer is compatible with most Dulux decorative topcoats including gloss, satinwood, eggshell and emulsion paints.
Do I need to sand the surface first?
Sanding smooth, solid timber surfaces before priming improves adhesion and helps achieve a smoother final finish.




