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Dulux Weathershield Smooth Masonry Paint - Buttermilk - 5L

Dulux Weathershield Smooth Masonry Paint - Buttermilk - 5L

Weathershield Smooth Masonry Paint from Dulux is formulated with a unique high performance acrylic...

Best current price£4.75from B&Q

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Product Information

Full details

This guide is designed for homeowners and professional painters seeking a highly durable and protective finish for exterior masonry surfaces. The Dulux Weathershield Smooth Masonry Paint in Buttermilk provides exceptional resistance against harsh weather for up to 15 years, preventing common issues like cracking and flaking. To unlock its full protective benefits, careful surface preparation and correct application are essential.

All features

ColourBeige
Model Part Number5310904
BrandDulux

Extended Product Information

FAQs

How long will this paint protect my walls?

This Dulux Weathershield Smooth Masonry Paint is formulated to provide total protection against extreme weather conditions for up to 15 years.

Is the paint breathable?

Yes, it features a micro-porous breathable paint film that allows moisture and air to be released from the walls while preventing rainwater penetration.

Can it cover cracks on my walls?

The flexible paint film is designed to cover minor imperfections, including hairline cracks across different masonry surfaces.

How quickly does it become rainproof?

It has a quick-drying formulation that provides a protective barrier against rainwater in just 30 minutes after application.

Does it protect against mould and algae?

Yes, the paint film contains an algicide and fungicide to protect against staining due to mould, algal, and fungal growth.

What type of surfaces can I use this paint on?

This paint is suitable for most exterior masonry surfaces such as render, roughcast, pebbledash, concrete, and brickwork (not common fletton brick). Ensure the surface is sound and dry.

Do I need to use a primer before applying this paint?

For bare, very porous, or previously unpainted surfaces, applying a suitable masonry primer or a diluted first coat of the Weathershield paint is generally recommended for optimal adhesion and finish. Always refer to the product label for specific guidance.

Troubleshooting

Paint not adhering or peeling prematurely

Ensure the surface was thoroughly cleaned, dry, and free of loose material before painting. Treat any mould/algae and fill significant cracks. A primer may be needed for very porous or chalky surfaces.

Uneven finish or brush marks

Apply paint evenly using a good quality brush or roller. Avoid overworking the paint. Ensure sufficient paint is loaded onto the applicator and apply in consistent strokes or passes. Allow adequate drying time between coats.

Mould or algae reappearing after painting

While the paint contains algicide and fungicide, severe pre-existing growth must be thoroughly treated and removed before painting. Ensure the underlying issue causing dampness or persistent shade is addressed. Clean affected areas gently with a mild fungicidal wash.

Paint not drying within stated time

Drying times are affected by temperature and humidity. Ensure application is done in suitable conditions (not too cold or damp). Good ventilation can also aid drying. Avoid applying overly thick coats.

Pros and Cons

Pros

  • Exceptional Durability: Provides total weather protection for up to 15 years.
  • Enhanced Surface Protection: UV resistance prevents common paint failures like cracking and peeling.
  • Breathable Design: Micro-porous film manages moisture effectively, crucial for masonry health.
  • Covers Minor Imperfections: Flexible film helps bridge hairline cracks, improving aesthetic and protective qualities.
  • Fast Rain Resistance: Becomes rainproof quickly, reducing vulnerability to unexpected showers.
  • Fungal Resistance: Inhibits mould and algae growth, maintaining a clean appearance.

Cons

  • Requires Thorough Preparation: Optimal performance is dependent on meticulous surface cleaning and preparation.
  • Environmental Sensitivity: Application should ideally be done in dry conditions with suitable temperatures, avoiding extreme heat or cold.
  • Application Skill: Achieving a perfectly smooth, even finish requires careful and consistent application techniques.
  • Not a crack filler: While flexible for hairline cracks, larger cracks or structural damage need repair before painting.

Setup, Compatibility & Care

Surface Preparation (Setup)

Proper surface preparation is crucial for achieving the 15-year protection. Follow these steps:

  1. Clean the Surface: Ensure all loose dirt, dust, and debris are removed. Use a stiff brush or power washer (if suitable for the substrate).
  2. Remove Old Paint: Scrape off any loose, flaking, or peeling paint. If the existing paint is sound, clean thoroughly.
  3. Address Mould/Algae: Treat any areas affected by mould or algae with a suitable fungicidal wash or masonry cleaner. Allow to dry completely.
  4. Repair Imperfections: Fill any major cracks, holes, or defects with an appropriate exterior filler. Allow to dry and sand smooth if necessary. The paint's flexible film will cover *hairline* cracks, but larger ones need repair.
  5. Primer (Optional/Recommended): For bare, porous, or previously unpainted surfaces, or if there's a significant color change, apply a suitable masonry primer or a diluted first coat of Weathershield Smooth Masonry Paint (dilution ratio: Info needed: [check product label for specific primer/dilution instructions]). Allow to dry.

Compatibility

This paint is designed for use on most sound, dry, exterior masonry surfaces, including:

  • Render
  • Roughcast
  • Pebbledash
  • Concrete
  • Building blocks
  • Brickwork (note: not suitable for common fletton brick)
  • Exterior grade cement particle boards

Ensure the surface is structurally sound and free from excessive dampness or efflorescence.

Application & Care

  1. Stir Well: Before use, stir the paint thoroughly to ensure uniform consistency and color.
  2. Application Tools: Use a good quality exterior masonry brush or roller. A roller can provide a smoother finish and faster application over large areas.
  3. Apply Evenly: Apply 2 coats, ensuring even coverage. Allow sufficient drying time between coats (typically 2-4 hours, but always check product label for exact times based on conditions).
  4. Weather Conditions: Apply in dry conditions, ideally between 10°C and 30°C, and avoid applying in direct strong sunlight or if rain is forecast within 30 minutes of application.
  5. Tool Care: Clean brushes and rollers immediately after use with warm soapy water.
  6. Paint Storage: Store any leftover paint in its original container, tightly sealed, in a cool, dry, frost-free place, out of reach of children.

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