Dulux Trade Weathershield Undercoat - Dark Grey - 1L

Part 2 of a 3 part weather-resistant and flexible paint system specifically developed to give long...

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This guide is for anyone looking to protect and beautify exterior woodwork with a durable paint system. The Dulux Trade Weathershield Exterior Flexible Undercoat offers excellent flexibility and weather resistance, ensuring a long-lasting finish. Keep in mind that for optimal results, this undercoat should be used as part of a three-part system, including a primer and topcoat, to achieve the full benefits.

All features

ColourGrey
Model Part Number5180256
BrandDulux Trade

Extended Product Information

FAQs

What is the coverage of Dulux Trade Weathershield Exterior Flexible Undercoat?

The coverage is up to 16m² per litre, depending on the surface.

What surfaces can I use this undercoat on?

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

How many coats of undercoat do I need?

Generally, one or two coats of the undercoat are recommended, depending on the surface and the desired finish. Always follow with a topcoat.

What is the drying time?

The minimum drying time is 2 hours, with a maximum of 6 hours, before recoating.

Do I need a primer?

Yes, it is recommended to use a primer, such as Dulux Trade Weathershield Exterior Preservative Primer, on new or bare wood before applying the undercoat for optimal results.

What type of finish does this undercoat provide?

This undercoat has a matt finish.

Is this paint suitable for interior use?

No, this product is designed specifically for exterior use.

How do I clean my tools after use?

Clean brushes with brush cleaner after use, removing as much paint as possible beforehand.

Troubleshooting

Paint is not adhering properly.

Ensure the surface is properly prepared, clean, and dry before application. Lightly sand the surface to improve adhesion. Check surface for any contamination and remove it.

Paint is cracking after application.

Ensure the undercoat is part of a complete system. Make sure the wood is not excessively damp before applying the paint. Allow adequate drying time between coats.

Poor coverage or uneven finish.

Stir the paint thoroughly before use. Apply an even coat and avoid applying too much paint at once. Apply a second coat if required, after the recommended drying time.

Pros and Cons

Pros

  • Provides long-lasting weather protection.
  • Flexible formula helps prevent cracking.
  • Offers excellent coverage and opacity.
  • Suitable for various exterior surfaces.
  • Easy to apply with a brush.

Cons

  • Requires a three-part system for optimal results.
  • Solvent-based, which may require proper ventilation and handling.
  • Not suitable for spray application.
  • Drying time of 2-6 hours between coats may require patience.

Setup, Compatibility & Care

  1. Surface Preparation: Ensure surfaces are clean, dry, and free from any contaminants. Treat any areas affected by mould, lichens, or algae with a suitable fungicidal wash. See Dulux Trade Datasheet 402 for full information. Before surface preparation, read the Health & Safety information about old lead paints.
  2. Application: Stir the undercoat thoroughly before use. Apply one coat of the appropriate coloured Weathershield Exterior Flexible Undercoat to all primed wood, following the primer instructions.
  3. Drying Time: Allow the undercoat to dry for the recommended time (minimum 2 hours, maximum 6 hours) before applying the next coat or topcoat.
  4. Compatibility: This undercoat is designed to work as part of the Dulux Trade Weathershield system. For best results, use with Weathershield Exterior Preservative Primer and Weathershield Exterior High Gloss.
  5. Tool Cleaning: Clean brushes with brush cleaner after use, removing as much paint as possible beforehand.
  6. Storage: Store in a cool, dry place, away from extreme temperatures and frost.