Dulux Weathershield Undercoat - White - 750ml
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Product Information
Full details
This Dulux Weathershield Undercoat in White (750ml) is designed for exterior use, offering a flexible and quick-drying base for your top coat. Its primary benefit is creating an excellent key to prevent cracking, ensuring a durable finish. A potential consideration is its specific formulation for undercoating, meaning it's not a final decorative layer.
All features
| Colour | White |
|---|---|
| Brand | Dulux |
Extended Product Information
FAQs
Can this undercoat be used indoors?
This undercoat is specifically formulated for exterior use as part of the Dulux Weathershield system. For interior applications, a dedicated interior primer or undercoat is recommended.
How long does it take to dry?
Drying times can vary based on temperature and humidity. Generally, it is touch dry in 1-2 hours and recoatable in 3-4 hours, but always refer to the product can for precise instructions.
What is the main purpose of this undercoat?
Its main purpose is to provide a flexible, crack-resistant base that adheres well to the surface, creating an ideal key for the top coat, thereby enhancing the overall durability and finish of exterior paintwork.
Can I use any top coat with this undercoat?
This undercoat is designed to be used with Dulux Weathershield top coats for optimal performance and durability in exterior environments. Using non-compatible top coats may compromise the system's integrity.
How much area can 750ml cover?
Coverage varies depending on the surface porosity and application method. A typical coverage rate for undercoats is around 10-12 square meters per litre. For a 750ml can, expect coverage of approximately 7.5-9 square meters.
Do I need to sand the surface before applying?
Yes, it is recommended to lightly abrade glossy surfaces to ensure good adhesion. Ensure the surface is also clean, dry, and free from any contaminants.
Troubleshooting
Paint is too thick to apply.
Stir thoroughly. If necessary, thin slightly with a small amount of water (check product instructions for recommended thinning ratios).
Undercoat is not drying as expected.
Ensure application occurred within recommended temperature and humidity conditions. Avoid painting in damp or cold environments. Check for excessive film thickness.
Cracking or peeling observed after top coat application.
This may indicate inadequate surface preparation or the undercoat was not fully dry before the top coat was applied. Ensure the surface was properly cleaned and the undercoat had sufficient drying time.
Poor adhesion of the top coat.
Ensure the undercoat surface was clean and dry before top coat application. Lightly abrade the undercoat if it has been left for an extended period or if a glossy film has formed.
Pros and Cons
Pros
- Prevents cracking for a smoother finish.
- Quick drying time speeds up painting projects.
- Enhances the adhesion and durability of the top coat.
- Suitable for exterior applications when part of a system.
- Provides a good surface for paint adhesion.
Cons
- Requires a top coat for final finish and full protection.
- Specific formulation might limit use to compatible systems.
- Not a standalone decorative finish.
Setup, Compatibility & Care
Preparation: Ensure surfaces are clean, dry, and free from loose paint, dirt, and grease. For best adhesion, lightly abrade glossy surfaces. Use Dulux Weathershield Exterior Undercoat on previously painted surfaces or primed bare substrates.
Application: Stir thoroughly before use. Apply using a brush or roller in dry conditions, avoiding application in temperatures below 10°C or if rain is expected within 12-24 hours. Allow to dry completely according to manufacturer's instructions before applying the top coat.
Compatibility: This undercoat is designed for use within the Dulux Weathershield exterior paint system. It is generally compatible with most exterior masonry and woodwork. Avoid mixing with other paint types unless specifically recommended.
Care: Clean brushes and equipment immediately after use with water. Store any unused paint in its original, tightly sealed container in a cool, dry place, away from direct sunlight and extreme temperatures.