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Kair Anti-Mould Additive Review: Will It Keep Mould Away for the Life of Your Paint?

Kair Anti-Mould Additive for Emulsion & Gloss Paint - 50 ml - Protects against mildew and fungus growth (1)
Kair Anti-Mould Additive for Emulsion & Gloss Paint - 50 ml - Protects against mildew and fungus growth (1)
4.6
[Converts Ordinary Paint]  50ml pot transforms 2.5L of paint, grout or paste into mould-resistant coating.
[Blocks Black Mould]  Forms a barrier against toxic black mould and mildew staining for cleaner, safer surfaces.
[Professional, Long-Lasting Formula]  Tried-and-tested formulation provides protection lasting the full life of your paint.
[Easy DIY Application]  Simply stir into paint — no special tools or training required; ideal for trade and DIY.
[Versatile Room Use]  Safe for bathrooms, kitchens, living areas, bedrooms, windowsills and other problem spots.
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Paint additive, Kair Anti-Mould Additive, converts ordinary emulsion, gloss, tile grout and wallpaper paste into mould-resistant coatings that help prevent mildew and toxic black mould. That reduces stress when redecorating and helps bathrooms, kitchens and living rooms look fresher for longer. Is the small extra step of stirring worth the long-term protection?

⚡ At a Glance
  • Mould Protection: Converts up to 2.5 litre of ordinary paint, grout or paste into a mould-resistant coating and forms a barrier against future mould growth
  • Best for: Homeowners and tradespeople redecorating damp-prone rooms such as bathrooms and kitchens
  • Not ideal for: Very large commercial projects where multiple 50ml pots would be required

A 50ml pot mixes into a 2.5 litre pot or tub to create mould-resistant paint. The professionally developed formula is designed to last for the full life of the paint.


Stops mould regrowth – with an anti-mould formula

Anti-mould agents disperse throughout decorative paint when stirred in, forming a protective barrier on applied surfaces that resists fungal colonisation. The barrier acts at the coating level rather than masking existing staining.

Reduced mildew staining and fewer repainting cycles in damp areas, making maintenance simpler and less frequent.

Simple application – with a single 50ml mix-in

A single 50ml pot is designed to be stirred directly into a 2.5 litre pot or tub, requiring only thorough mixing before normal application. No specialist equipment is necessary.

Quick to prepare for both DIY and trade decorators, saving time compared with separate treatment systems.

Versatile compatibility – with paint, grout and wallpaper paste

Compatibility covers ordinary decorative emulsion and gloss paints, tile grout and wallpaper paste, allowing the additive to disperse evenly across different base materials. Application follows standard painting or pasting methods.

One additive can protect multiple substrates around the home, useful when treating bathrooms, kitchens, windows and sills.

✨ The 4 Key Reasons for Kair Anti-Mould Additive
  1. Easy Mixing – Ready by stirring 50ml into a 2.5 litre pot.
  2. Multi-Surface Use – Works with paints, tile grout and wallpaper paste.
  3. Trade-Grade Formula – Designed for both professional and DIY decorating projects.
  4. Long-Term Savings – Prevents mildew staining and reduces repainting frequency over time.
📋 Technical Details at a Glance
  • Category: Tools
  • Brand: Kair
  • Pack size: 50ml pot
  • Compatible with: Emulsion and gloss paint, tile grout, wallpaper paste
  • Conversion volume: Treats up to 2.5 litre of paint or tub
❓ Frequently Asked Questions

Q: How much paint does one 50ml pot treat?

A: One 50ml pot converts any 2.5 litre pot or tub of ordinary decorative paint, tile grout or wallpaper paste into a mould-resistant coating.

Q: Can it be used with tile grout and wallpaper paste?

A: Yes, the additive is suitable for ordinary decorative paint, tile grout and wallpaper paste and can be mixed straight into those materials.

Q: Is it suitable for bathrooms and kitchens?

A: Yes, suitable for use in bathrooms, kitchens, living rooms, bedrooms, windows and sills, and intended for both trade and DIY use.

🏆 Our Verdict

The Kair Anti-Mould Additive is ideal for homeowners and tradespeople tackling mould-prone rooms during redecorating. Mixing a 50ml pot into a 2.5 litre container converts ordinary paint, grout or paste into a mould-resistant coating that lasts for the life of the paint. While it adds a small extra step to preparation, long-term value arrives through fewer repainting cycles and steadier protection.