Dulux Trade Weathershield Exterior Undercoat - White - 2.5L

Part 2 of a 3 part weather-resistant and flexible paint system from Dulux Trade, specifically deve...

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This guide is for professionals and DIY enthusiasts looking to protect exterior woodwork with a durable, long-lasting undercoat. The Dulux Trade Weathershield Exterior Flexible Undercoat provides up to 8 years of all-weather protection, ensuring your paintwork withstands the elements. Keep in mind that for optimal results, this product is part of a 3-part system and requires proper surface preparation and application for the best performance.

All features

ColourWhite
Model Part Number5180264
BrandDulux Trade

Extended Product Information

FAQs

What surfaces can I use this undercoat on?

This undercoat is suitable for use on metal, plastic, and wood surfaces.

How many coats of undercoat are needed?

For optimal results, apply two coats of the Dulux Trade Weathershield Exterior Flexible Undercoat.

Can I spray this product?

No, spray application is not recommended for this product. It should be applied with a brush.

What is the coverage rate?

The undercoat covers approximately 16 m² per litre.

How long should I wait between coats?

Allow a minimum of 6 hours and a maximum of 8 hours between coats.

What topcoats are compatible with this undercoat?

This undercoat is designed to be used with Dulux Trade Weathershield Exterior High Gloss topcoats.

Is this product suitable for indoor use?

No, this product is specifically designed for exterior use.

Troubleshooting

Paint is not adhering properly.

Ensure the surface is clean, dry, and properly prepared. Lightly sand glossy surfaces to improve adhesion.

Paint is cracking or peeling.

Ensure the correct undercoat is being used and that it is fully compatible with the topcoat. Ensure the coats are being applied in the correct order, and applied correctly.

Slow drying time.

Ensure adequate ventilation and avoid applying the paint in excessively humid or cold conditions.

Uneven finish.

Ensure the paint is stirred thoroughly before use. Apply even coats, avoiding thick layers that can lead to an uneven finish. Ensure brush is the correct type for use.

Pros and Cons

Pros

  • Provides up to 8 years of all-weather protection.
  • Excellent flexibility and adhesion, minimizing cracking and peeling.
  • Suitable for use on metal, plastic, and wood.
  • High coverage rate, offering good value for money.
  • Part of a comprehensive paint system for superior results.
  • VOC 2010 compliant, indicating lower environmental impact.

Cons

  • Requires the use of a brush for application; spray application is not recommended.
  • Solvent-based, which requires good ventilation during application and clean up with brush cleaner.
  • Drying time is 16 hours, which may affect project timelines.
  • Requires a two-coat application for the best performance.

Setup, Compatibility & Care

  1. Surface Preparation: Ensure surfaces are clean, dry, and free from any contaminants. Treat any areas affected by mould or algae with a fungicidal wash.
  2. Application: Stir the undercoat thoroughly before use. Apply with a brush, as spray application is not recommended.
  3. Coats: Apply two coats of the undercoat for the best results.
  4. Drying Time: Allow a minimum of 6 hours and a maximum of 8 hours between coats. Ensure the final coat dries for at least 16 hours before applying the topcoat.
  5. Compatibility: This product is designed to be used as part of the Dulux Trade Weathershield system. It is compatible with Weathershield Exterior High Gloss topcoats. It is also compatible with Weathershield Preservative Primer+ (BP).
  6. Cleaning: Clean brushes with brush cleaner immediately after use.