Johnstone's MDF Primer 2.5L - Brilliant White

£27.99
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SKU: PAI656
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Product Details

Set the perfect foundation for your woodwork with Johnstone’s Trade MDF Primer in Brilliant White (2.5 L). Specially formulated to prime MDF and other engineered wood composites, this water-based primer offers a low-odour, quick-drying solution that gives your top-coat excellent coverage and adhesion. The crisp brilliant white base helps bright colours pop and ensures uniform paint finishes, while the high-build film smooths out the fine fibres typical of MDF for a professional-grade surface. Ideal for doors, skirting, architraves, shelving and other joinery, this primer is your go-to for achieving a flawless finish.

Key Features

  • Designed for MDF and wood composites — Created specifically to work on medium-density fibreboard (MDF), chipboard, blockboard and planed timber, delivering better adhesion and control compared to standard primers. 

  • Brilliant White finish — Provides a bright, neutral base layer that enhances the vibrancy of subsequent top-coats and reduces the number of finish coats required. 

  • Water-based and low odour — Easier to use in enclosed spaces thanks to reduced solvent smell, making it more user-friendly for interior finishing. 

  • Quick-drying undercoat — Ideal for faster turnaround; once primed with this product you’ll be ready to apply your top-coat sooner and keep your project on schedule. 

  • Good build and surface fill — Helps to even out and seal the porous surface of MDF, leading to fewer visible imperfections under the final coat. 

  • Large tin size (2.5 L) — Ample for coating multiple pieces of joinery or several rooms of doors, architraves and skirting, offering value for decorators and DIYers alike.

Technical Details

Specification Detail
Product Johnstone’s Trade MDF Primer – Brilliant White
Pack Size 2.5 Litres
Recommended Use MDF, chipboard, blockboard, planed timber, engineered wood composites
Finish Matt primer/undercoat, Brilliant White
Material Base Water-based primer/undercoat, low-solvent 
Coverage Estimate Approx. 12-14 m² per litre on smooth substrate (varies by board type) 
Touch-Dry / Recoat Time Touch dry ~30 minutes; recoat after ~1-2 hours under normal conditions 
Application Method Brush, roller or spray as suitable for joinery preparation 
Colour Brilliant White – chosen to provide a clean base for subsequent colour top-coats
Delivery & Shipping

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