A solvent-based primer specially formulated to seal unstable areas which remain powdery and chalky...A solvent-based primer specially formulated to seal unstable areas which remain powdery and chalky after the surface has been thoroughly prepared for painting with Dulux Trade Weathershield Masonry Paints. Up to 12m² per litre on most surfaces. Application coverage: 12m² per litre. Touch dry: 8-12 hours dependent upon temperature / humidity. Recoatable: 16-24 hours. Thinning: This product should not be thinned. Key Benefits: Stabilises powdery masonry surfaces. Ready for use. Use only on dry exterior masonry that remains powdery and friable after thorough preparation. For best results, shake the can well before opening. Apply using a brush or roller to the powdery or chalky areas and allow to dry fully. If the area remains powdery or chalky once dry, apply a second coat to the applicable area. Please note this primer isn't general purpose and is only suitable for chalky or powdery areas. New surfaces should only ever be sealed with a thinned coat of the chosen masonry paint before applying two regular top coats (not thinned).
This guide is for those looking to effectively prepare and prime exterior masonry surfaces with Dulux Trade Weathershield Stabilising Primer. The key benefit of this primer is its ability to seal and stabilise powdery or chalky masonry, ensuring a long-lasting and durable finish when used with Weathershield Masonry Paints. Keep in mind that this primer is specifically designed for problematic surfaces, and should not be used as a general-purpose primer on sound or new surfaces.
All features
Model Part Number
5183434
Brand
Dulux Trade
Extended Product Information
FAQs
What is the coverage rate of this primer?
The primer provides up to 12m² per litre on most surfaces.
Can I use this primer indoors?
No, this primer is specifically designed for exterior masonry and its solvent base requires appropriate ventilation.
How long should I wait before applying the topcoat?
Allow 16-24 hours for the primer to dry before applying the topcoat of Weathershield Masonry Paint.
Do I need to thin the primer?
No, this primer is ready to use and should not be thinned.
What should I do if the surface is still powdery after the first coat?
Apply a second coat of the primer to the affected areas.
What tools should I use to apply this primer?
A brush or roller is recommended. Spraying is not advised due to the solvent content.
How do I clean my tools after using the primer?
Clean brushes and rollers with brush cleaner.
Troubleshooting
Primer not adhering to the surface.
Ensure the surface is properly prepared, clean, and free of loose material. The primer is designed for chalky/powdery surfaces, so ensure the surface exhibits this characteristic before application. Apply a second coat if necessary.
Paint finish is not durable after application.
Ensure that the Dulux Trade Weathershield Stabilising Primer was applied to the affected areas. Allow the primer to dry completely and then apply the recommended two coats of Weathershield Masonry Paint.
Primer takes longer than expected to dry.
Ensure adequate ventilation and check the temperature and humidity levels. Drying times can vary depending on environmental conditions.
Pros and Cons
Pros
Effectively seals and stabilises powdery masonry.
Improves the adhesion and longevity of Weathershield Masonry Paints.
Ready-to-use formula simplifies the application process.
Suitable for exterior use, protecting surfaces from weathering.
Solvent-based for optimal penetration.
Cons
Not a general-purpose primer; only for chalky or powdery areas.
Solvent-based, requiring proper ventilation during use.
Recoating requires a 16-24 hour wait time.
Requires specific surface preparation for optimal results.
Setup, Compatibility & Care
Setup
Surface Preparation: Ensure the masonry surface is sound, clean, and dry. Remove any loose material and clean off dirt, algae, or previous paint.
Shake Well: Shake the can vigorously before use to ensure the contents are thoroughly mixed.
Application: Apply the primer using a brush or roller. Avoid spraying due to the solvent-based nature of the product.
Drying Time: Allow the primer to dry fully (8-12 hours dependent upon temperature/humidity) before applying a second coat if required.
Recoating: Wait 16-24 hours before applying Weathershield Masonry Paint.
Compatibility
Suitable for: Exterior masonry walls that are powdery or chalky.
Not suitable for: General-purpose priming of sound or new surfaces. New surfaces should only be sealed with a thinned coat of the chosen masonry paint.
Care
Storage: Store in a cool, dry place, protected from frost and extreme temperatures.
Cleaning: Clean brushes and rollers with brush cleaner after use.
Disposal: Dispose of leftover paint responsibly. Ask your stockist about recycling empty containers.