Johnstone's Trade Professional Undercoat - White

Name: Johnstone's Trade Professional Undercoat - White
Brand: Johnstone's
SKU: 5xdt6hirfg
Availability: InStock

Johnstone's Professional Undercoat is a premium quality, alkyd based undercoat formulated for inte...

Best current price£14.99from B&Q

Colour

Grey White

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Product Information

Full details

This guide is designed for both DIY enthusiasts and professional painters looking to achieve a flawless finish on wood and metal surfaces. The Johnstone's Trade Professional Undercoat provides an ideal base for your topcoat, ensuring excellent adhesion and a smooth surface. However, it's essential to allow ample drying time between coats for optimal results.

All features

Colour	White
Model Part Number	5023229042526
Brand	Johnstone's

Extended Product Information

FAQs

What surfaces can I use this undercoat on?

This undercoat is suitable for use on interior and exterior wood and metal surfaces.

How long should I wait before applying the topcoat?

Allow the undercoat to dry for 16-24 hours before applying the topcoat.

Can I use this undercoat on previously painted surfaces?

Yes, but ensure the old paint is sound and properly prepared (cleaned and lightly sanded) before applying the undercoat.

What is the coverage of this undercoat?

Coverage will vary depending on the surface and application method, but typically you can expect to cover approximately 10-12 square meters per liter.

How do I clean my brushes and rollers after use?

Clean brushes and rollers immediately after use with a suitable solvent.

Is this product suitable for use in high-humidity environments?

Yes, but ensure adequate ventilation during application and drying to prevent moisture-related issues.

Troubleshooting

Undercoat is not adhering properly.

Ensure the surface is properly prepared, clean, and primed. Lightly sand glossy surfaces for better adhesion.

Undercoat is showing brush marks.

Use a high-quality brush or roller. Apply the paint evenly and avoid over-brushing or over-rolling. Thin the undercoat slightly if necessary.

Pros and Cons

Pros

Provides an excellent base for topcoats.
Suitable for both interior and exterior use.
Conceals imperfections effectively.
Easy to apply with brush or roller.

Cons

Requires a longer drying time (16-24 hours) before recoating.
High VOC content.

Setup, Compatibility & Care

Surface Preparation: Ensure surfaces are clean, dry, and free from loose or flaking material. Remove any existing loose paint or rust.
Priming: Prime bare wood and metal surfaces with the appropriate Johnstone's primer before applying the undercoat.
Application: Apply the undercoat by brush or roller, ensuring an even coat.
Drying Time: Allow 4-6 hours to touch dry and 16-24 hours to recoat.
Compatibility: Compatible with gloss, eggshell, and satin paints.
Cleanup: Clean equipment immediately after use with a suitable solvent.