Covaplus Vinyl Matt - China Clay - Grey

Johnstones Covaplus Matt is a premium quality, water-based emulsion paint that delivers a flawless...

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Product Information

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Johnstones Covaplus Vinyl Matt in the shade China Clay is a premium, water-based emulsion designed for homeowners and professional decorators seeking a professional-grade finish on interior walls and ceilings. This paint provides excellent coverage and a durable, low-sheen look, though users should be aware that it is formulated specifically for indoor use rather than high-moisture exterior environments.

All features

ColourGrey
Model Part Number4849773
BrandJohnstones

Extended Product Information

FAQs

Is this paint suitable for kitchens and bathrooms?

While it is durable and washable, it is a standard vinyl matt. For areas with high condensation or humidity, a dedicated kitchen/bathroom paint is often recommended.

What does China Clay look like?

China Clay is a sophisticated light grey with distinct warm taupe undertones, offering a softer appearance than a standard cool grey.

How long should I wait between coats?

Under normal conditions, it is touch dry quickly, but you should wait at least 2-4 hours before applying the second coat.

Can I use this on wood or metal?

This paint is specifically formulated for walls and ceilings; it is not recommended for wood or metal trim.

Is it low VOC?

As a premium water-based emulsion, it is formulated to meet modern standards for indoor air quality.

Troubleshooting

Visible roller marks or streaking

Ensure you are using the right pile length roller and avoid overloading the roller head with too much paint.

Paint peeling or flaking shortly after application

This often occurs due to poor surface preparation; ensure the wall was free of dust and loose debris before painting.

Poor coverage or patchy appearance

The surface may be too porous. Apply an additional coat or a high-quality primer to unify the suction of the wall.

Pros and Cons

Pros

  • Excellent coverage on interior walls and ceilings
  • Sophisticated China Clay grey finish with warm taupe undertones
  • Low-sheen finish helps conceal surface defects
  • Water-based formula ensures simple soap and water cleanup

Cons

  • Not suitable for use on exterior surfaces
  • Matt finishes can show scuffs more easily than high-gloss alternatives in high-impact areas
  • Requires proper surface preparation to ensure maximum durability

Setup, Compatibility & Care

Before application, ensure all surfaces are clean, dry, and free from dust, grease, or loose material. If painting onto new or porous plaster, apply a mist coat using a thinned down layer of the paint first.

  • Compatibility: Suitable for most interior wall and ceiling surfaces, including primed plaster, lining paper, and existing painted surfaces in good condition.
  • Application: Can be applied via brush, roller, or spray equipment.
  • Care: Avoid washing the wall for at least 7-14 days after painting to allow the emulsion to reach its full hardness and cure completely. For cleaning, use a soft cloth with mild soapy water and avoid abrasive scouring pads.

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