Best Paint Additives of 2025

Mohammed Clark Avatar
Mohammed Clark
Last Updated: 31 Jan 2025

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Paint additives are a range of products designed to enhance the performance and appearance of paint. These additives can help to improve the durability, flexibility, and adhesion of paint, as well as its resistance to mould, mildew, and UV radiation. They can also be used to modify the texture, sheen, and colour of paint, and to create special effects such as glitter, metallic finishes, and glow-in-the-dark properties. Whether you are a professional painter or a DIY enthusiast, incorporating paint additives into your projects can help you achieve a high-quality finish that will last for years to come.

At a Glance: Our Top Picks

Dryzone Mould-Resistant Paint Additive 100ml Cover #TOP 1
Dryzone Mould-Resistant Paint Additive 100ml
ftb score rating icon 9.9
Rempro Anti-Mould Paint Additive for Condensation Cover #TOP 2
Rempro Anti-Mould Paint Additive for Condensation
ftb score rating icon 9.8
Thermalmix Insulating Paint Additive Offer Cover #TOP 3
Thermalmix Insulating Paint Additive Offer
ftb score rating icon 9.6

Top 10 Paint Additives

#TOP 1

Dryzone Mould-Resistant Paint Additive 100ml

100ml
Clear
100 ml (Pack of 1)
Dryzone Mould-Resistant Paint Additive 100ml Cover
Dryzone Anti-Mould Additive 100ml Concentrate to Make 5L of Emulsion, Vinyl, Silk or Matt Paint

The Dryzone Mould Additive is designed to enhance the mould-resistance of your paints, wallpaper pastes, and grouts. This product is compatible with all types of paint, including emulsion, vinyl, silk, or matt, ensuring that you can use it with your preferred finish. It effectively prevents the recurrence of black mould for up to five years, offering peace of mind in damp environments. Additionally, it is easy to use and cost-effective, making it a practical choice for anyone looking to safeguard their home against mould.

What We Like
Mould-resistance for various surfaces
Compatible with all paint types
Lasts up to five years
Easy to use
Cost-effective solution
#TOP 2

Rempro Anti-Mould Paint Additive for Condensation

MPA2
2 x 100ml
Rempro Anti-Mould Paint Additive for Condensation Cover
Rempro 2 x 100ml Anti-Mould Paint Additive - Prevention & Control of Black Mould Caused by Condensation & Damp

The Rempro Mould Paint Additive is designed to prevent black mould caused by condensation. By adding this additive to your emulsion paint, you can effectively stop black grime from appearing on walls and ceilings, especially in damp areas like kitchens and bathrooms. It is made from non-toxic, natural ingredients, ensuring a safer environment for you and your family. Additionally, it is easy to apply; simply mix the additive with standard emulsion paint and follow the manufacturer's instructions for a professional finish.

What We Like
Effective mould prevention
Non-toxic and safe ingredients
Easy to mix and apply
Suitable for various paint types
UK manufactured quality
#TOP 3

Thermalmix Insulating Paint Additive Offer

Thermalmix
Thermalmix Insulating Paint Additive Offer Cover
Thermalmix - Insulating Paint Additive 3 for 2 Special Offer (Get 3 Bottles for Price of 2)

Thermalmix Paint Additive is an innovative solution that mixes easily with any coating, making it a versatile choice for your painting projects. Scientifically tested, it can help you reduce your energy costs by up to 25%, providing significant savings over time. This additive is suitable for both interior and exterior use, allowing you to enhance your home’s energy efficiency wherever needed. Moreover, it is safe and simple to use, ensuring a hassle-free application process for you.

What We Like
Reduces energy costs significantly
Easy to mix with coatings
Safe for interior and exterior
Scientifically tested for effectiveness
#TOP 4

Thermal Paint Additive for Energy Savings

Thermilate Technology
Ultra
Clear
200 g (Pack of 1)
Thermal Paint Additive for Energy Savings Cover
Thermalmix - Insulating Paint Additive

Thermal Paint Additive is a versatile product that mixes easily with any paint or coating. By incorporating this scientifically tested insulating additive, you can potentially reduce your energy costs by up to 25%. It is suitable for both interior and exterior use, giving you the flexibility to enhance your home’s insulation wherever needed. Additionally, the product is safe and simple to use, making it an excellent choice for both DIY enthusiasts and professionals alike.

What We Like
Reduces energy costs
Suits interior and exterior use
Mixes with any paint
Scientifically tested
Safe and easy to use
#TOP 5

Kair Anti-Mould Additive for Paint

K-MEA
50 ml (Pack of 1)
Kair Anti-Mould Additive for Paint Cover
Kair Anti-Mould Additive for Emulsion & Gloss Paint - 50 ml - Protects against mildew and fungus growth (1)

The Kair Anti-Mould Additive is a practical solution for anyone tired of dealing with mould growth in their home or workplace. This 50ml pot allows you to easily convert any 2.5-litre tub of regular paint, tile grout, or wallpaper paste into a mould-resistant coating. Simply stir it in for a hassle-free application. It is suitable for various areas, including kitchens and bathrooms, helping to create a protective barrier against toxic mould. With this additive, you can confidently redecorate without worrying about black mould reappearing.

What We Like
Easy to use
Transforms regular paint
Suitable for multiple surfaces
Long-lasting protection
#TOP 6

AdPaint Anti-Mould Paint Additive 1 Litre

SKU-491CE0C2
Yellow
AdPaint Anti-Mould Paint Additive 1 Litre Cover
AdPaint - Anti Mould Paint Additive/Fungi/Mildew Paint Retardent Additive 1 Litre

AdPaint Additive is a versatile solution that works with any colour emulsion or gloss paint. By adding just 100ml of this product to 5 litres of paint, you can effectively combat mould, fungi, and mildew on all painted surfaces. Its virtually odourless formula ensures a pleasant painting experience, while its easy mixing process makes it convenient for you to use. Furthermore, being a low hazard chemical means you can apply it safely, giving you peace of mind as you protect your home.

What We Like
Cost-effective solution
Highly effective against mould
Virtually odourless formula
Easy to mix and use
Safe, low hazard chemical
#TOP 7

Levaka Silver Glitter Paint Additive with Buffing Pads

FBGC
GPA02
Silver
200 g (Pack of 2)
Levaka Silver Glitter Paint Additive with Buffing Pads Cover
Silver Glitter for Paint [400g] – Holographic Glitter with 2X Buffing Pads – Silver Glitter Paint Additive - Paint Finish on Interior or Exterior Walls, Ceilings & Wood, Paint Glitter for Emulsion

The Levaka Glitter Paint Additive transforms your walls into sparkling masterpieces with ease. Simply mix it with your paint to create a dazzling finish on various surfaces, including walls and ceilings. Its waterproof formula ensures durability, so you can use it in any room, including bathrooms and children's bedrooms. Plus, with included buffing pads, you can enhance the glitter effect after painting, allowing you to achieve a stunning shimmer that truly pops. It's the perfect way to add a fun twist to your interior decorating.

What We Like
Easy to use
Waterproof and non-toxic
Includes buffing pads
Suitable for various paint types
Advanced glitter technology
#TOP 8

Buildware Anti Mould Paint Additive for 10L

Buildware
ANTIM
Clear
50ml
Buildware Anti Mould Paint Additive for 10L Cover
Anti Mould Paint Additive 50ml Concentrate to Make 10L of Emulsion - Bathroom Ceiling Mould Treatment for Walls Prevention Anti Condensation & Damp Paint, Provides up to 5 Years of Mould Resistance

The Buildware Anti Mould Additive offers up to five years of mould resistance, ensuring you can enjoy a healthier living space free from mould-related concerns. This versatile product is compatible with various paint types, such as emulsion and silk finishes, making it ideal for any painting project. Mixing is straightforward, allowing you to effortlessly incorporate the additive into your paint with minimal effort. Additionally, it helps reduce health risks associated with mould exposure, promoting a cleaner environment for you and your family.

What We Like
Long-lasting mould protection
Compatible with all paint types
Easy to mix and apply
Reduces health risks
#TOP 9

Wykamol MCS3 Anti Mould Paint Additive

Wykamol MCS3 Anti Mould Paint Additive Cover
Anti Mould Paint Additive | Transform Any Paint into Mould-Resistant Coating | Perfect for Bathrooms, Kitchens | Mixes with 5 litres of Paint | Eco-Friendly Protection Against Mould & Mildew | 100ml

The Wykamol MCS3 Additive transforms any paint into a strong anti-mould solution, making it ideal for damp areas like bathrooms and kitchens. By simply adding 100ml to 5 litres of paint, you can prevent mould growth and keep your surfaces pristine for years. This additive features a potent formulation that not only halts mould but also prevents mildew and dampness. Additionally, it is compatible with all paint types and colours, ensuring your paint's original appearance is maintained while enhancing its mould resistance.

What We Like
Transforms any paint into anti-mould solution
Effective in high-moisture areas
Compatible with all paint types
Easy to use for DIY and professionals
Long-lasting mould protection
#TOP 10

MyGlitterWall Glitter Paint Additive for Walls

MyGlitterWall150SilverAB
Silver Ab
MyGlitterWall Glitter Paint Additive for Walls Cover
Silver AB 150G MyGlitterWall Glitter for Emulsion Paint - Glittery Wall Decorations - Paint Additive for Ceilings, Wood, Matt, Gloss - Perfect for Indoors and Outdoors

MyGlitterWall Glitter Additive is a brilliant way to enhance your rooms with a stunning sparkle. By adding this glitter powder to your emulsion paint, you can easily create a shimmering finish that adds depth to your decor. With unmatched quality, it uses premium materials to ensure a vibrant and long-lasting effect. The additive is compatible with various paint types and can be applied on smooth surfaces, making it an excellent choice for any indoor or outdoor project.

What We Like
Creates a sparkling finish
Fade and temperature resistant
Easy to apply and mix
Compatible with various paint types
Enhances light reflection
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are paint additives?

Additives are the special components of paint. It is used in small quantities to impart additional characteristics and qualities to the paint. Use of additives in the right order, at the right time, and in the right proportion in a paint can help improve the appearance, durability of coating and flow of paints.

2. Why additives are used in paints?

Paint additives are used to prevent defects in the coating (e.g., foam bubbles, poor leveling, flocculation, sedi- mentation) or to impart specific properties to the paint (e.g.. better slip, flame retardance, UV stability) that are otherwise difficult to achieve.

3. What is paint additives made of?

Additives include thickening agents, surfactants, biocides, co-solvents cyclists, emulsifier, UV stabilizers etc. Additives modify paint adhesion, flow properties and overall the finished appearance. These all four ingredients are necessary to form a top quality paint to perform perfect painting job.

4. What is Floetrol substitute?

If you don't have any water to use, Elmer's Glue is probably your best option for a Floetrol substitute. You will get the same pouring consistency as Floetrol if you dilute your glue with water. Elmer's Glue-all (similar to Floetrol) will dry your painting to a matte finish.

Editor's Notes

During our paint additive research, we found 83 paint additive products and shortlisted 10 quality products. We collected and analyzed 48,799 customer reviews through our big data system to write the paint additives list. We found that most customers choose paint additives with an average price of £14.78.

The paint additives are available for purchase. We have researched hundreds of brands and picked the top brands of paint additives, including Dryzone, Rempro, Thermalmix, Thermilate Technology, Kair.

Written by
Mohammed Clark Avatar

Mohammed Clark is an architect and a contractor. His architectural skills are not limited to designing the plan for structures alone, but it extends to aesthetics and home décor. Before establishing his firm, he worked under a construction firm for eight years. Mohammed has gathered enough experience from his time practicing as a professional architect and now has vast knowledge in home designs and aesthetics.