Mylands Plant Based Multi-Surface Primer & Undercoat - Grey

This multi-surface, water-based, quick-drying, anti-corrosive primer and undercoat is designed for...

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Mylands UKMylands Dark/Grey Primer & Undercoat - Multi-Surface Primer & Undercoat - 1 Litre
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Product Information

Full details

The Mylands Plant Based Multi-Surface Primer & Undercoat is designed for DIY enthusiasts and professionals seeking a high-performance base coat for a variety of interior and exterior projects. Its primary benefit is its exceptional versatility and adhesion, allowing it to bond reliably to difficult substrates like uPVC, metal, and tile. However, users should note that while it is quick-drying and low-odour, proper surface preparation remains essential to achieving its maximum durability and coverage potential.

All features

ColourGrey
Model Part Number502000010/02
BrandMylands

Extended Product Information

FAQs

Can I use this on exterior metal?

Yes, it is designed for both interior and exterior use and features anti-corrosive properties suitable for metal.

Does it need to be thinned?

Generally, it is ready for use straight from the tin, but it can be thinned with a small amount of water if required for specific application methods.

Is this primer compatible with all Mylands paints?

Yes, it is specifically designed to provide an excellent base for all Mylands Plant-Based Paint finishes.

How long should I wait before applying the topcoat?

Because it is a quick-drying formula, it is typically ready to overcoat within a few hours, though drying times can vary based on temperature and humidity.

Can this be used on uPVC?

Yes, it is specifically formulated to adhere to difficult surfaces like uPVC, provided the surface is cleaned and prepared properly.

Troubleshooting

Poor adhesion to the surface

Ensure the surface was cleaned of all grease and sanded slightly to provide a profile for the primer to grip.

Brush marks visible in the finish

Thin the primer slightly with a very small amount of water if necessary, and use a high-quality synthetic brush with light pressure.

Primer drying too slowly

Ensure the application area has adequate airflow and that the ambient humidity is not excessively high.

Pros and Cons

Pros

  • Extremely versatile across many material types
  • Water-based and low-odour for easier indoor use
  • Provides an anti-corrosive barrier for metals
  • Quick-drying to speed up project timelines
  • Ensures excellent adhesion for subsequent paint finishes

Cons

  • Requires thorough surface preparation for best results
  • Performance is dependent on correct application technique
  • May require multiple coats on highly porous surfaces

Setup, Compatibility & Care

Before application, ensure all surfaces are clean, dry, and free from grease, dust, or flaking paint. For glossy surfaces, a light sanding is recommended to improve mechanical keying. Stir the product thoroughly before use and apply at room temperature. It is compatible with all Mylands Plant-Based Paint finishes, including Dead Matt, Eggshell, Satin, and Gloss. Store the container in a cool, dry place and ensure the lid is tightly sealed to prevent the water-based formula from drying out. Clean brushes and tools with warm soapy water immediately after use.

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