Macpherson Undercoat - 1 L

Name: Macpherson Undercoat - 1 L
Brand: Macpherson Trade
SKU: w43w5vpjrd
Availability: InStock

This alkyd-based undercoat is designed for professional results, offering excellent covering power...

Best current price£19.15from The Paint Shed

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Macpherson Trade Macpherson Undercoat (All Colours)-1 L

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Product Information

Full details

The Macpherson Trade Undercoat is an essential preparation product for professional painters and serious DIY enthusiasts looking to achieve a flawless, high-quality finish. Formulated as an alkyd-based coating, it excels in creating a smooth, non-absorbent foundation that maximizes the adhesion and appearance of subsequent topcoats, specifically Macpherson Gloss. While it offers superior covering power, users should be aware that because these cans are mixed to order for specific color matching, the product is non-refundable and non-exchangeable once purchased.

All features

Model Part Number	5091134
Brand	Macpherson Trade

Extended Product Information

FAQs

Can I use this undercoat under a water-based gloss?

This is an alkyd-based product. While it can be used under some systems, we recommend strictly using it with Macpherson Gloss for the best results.

Is it possible to return the paint if the color is wrong?

No, because these products are mixed to order, they are non-refundable and non-exchangeable.

How long should I wait before applying the topcoat?

Allow at least 16 to 24 hours of drying time, depending on ambient temperature and airflow, before applying your topcoat.

Do I need to sand between coats?

Yes, a light "denibbing" with fine-grade sandpaper between the undercoat and topcoat will provide the best possible finish.

Does the undercoat come in different sizes?

Yes, it is available in 1L, 2.5L, and 5L containers to suit various project sizes.

Troubleshooting

Brush marks remain visible after drying

Ensure the surface temperature is within the recommended range (typically 10-25°C) and avoid over-working the paint once it begins to tack up.

Paint is not drying evenly

Check the humidity levels; high humidity can significantly delay the drying time of alkyd-based coatings.

Surface feels rough after one coat

Lightly sand the undercoat with fine-grade sandpaper once it has fully cured to create the ideal smooth profile for your topcoat.

Pros and Cons

Pros

Provides an exceptionally smooth surface for topcoating
Excellent opacity reduces the need for multiple finish coats
Tailored undercoat base matches the selected topcoat color perfectly
High-quality alkyd finish offers professional-grade flow

Cons

Non-refundable and non-exchangeable due to custom mixing
Requires oil-based solvent cleaning for brushes and rollers
Slower drying time compared to water-based alternatives

Setup, Compatibility & Care

To ensure the best performance, shake the tin thoroughly before use to redistribute any settled pigments. If thinning is required for spraying, only use compatible thinners as recommended by professional painting standards.

Regarding compatibility, this undercoat is designed specifically to interface with the Macpherson Gloss range. While it may work with other oil-based systems, using it within the Macpherson ecosystem guarantees the best chemical compatibility. For equipment care, since this is an alkyd-based product, you must clean your brushes and rollers using white spirit or a professional-grade brush cleaner immediately after use. Do not attempt to clean tools with water alone.