Varnishing is the final step that can protect and enhance your acrylic painting. A quality varnish helps protect your artwork from dust, dirt, moisture and UV exposure while improving colour depth and creating a professional finish.
Whether you are preparing artwork for sale, exhibition or long-term display, learning how to varnish correctly can make a big difference to the final result.
Why Should You Varnish an Acrylic Painting?
Acrylic paint can remain slightly porous after drying. Over time, dust and environmental particles can settle on the surface and affect the appearance of your artwork.
Applying varnish helps:
- Protect your painting from dust and dirt
- Enhance colour vibrancy
- Create an even finish
- Reduce UV damage
- Extend the life of your artwork
When Should You Varnish Acrylic Paint?
Although acrylic paint may feel dry within hours, the paint underneath can continue curing.
As a general guide:
- Thin layers: wait at least 72 hours
- Normal acrylic paintings: wait 1–2 weeks
- Heavy texture or impasto: wait several weeks
If you use thicker acrylic paints such as Matisse Structure Acrylic Paint, allow extra drying time before varnishing.
Choosing the Right Acrylic Varnish Finish
| Finish | Appearance | Best For |
|---|---|---|
| Gloss | High shine with richer colours | Abstract art, bright colours and fluid art |
| Satin | Soft sheen with less reflection | General acrylic painting and mixed media |
| Matte | Low reflection finish | Portraits, realism and gallery displays |
Gloss Varnish
Gloss varnish increases colour depth and creates a vibrant finish.
Recommended:
Matisse MM7 Polymer Gloss Varnish
Satin Varnish
Satin varnish provides a balance between gloss and matte, giving artwork a subtle professional sheen.
Recommended:
Matisse MM28 Polymer Satin Varnish
Matte Varnish
Matte varnish reduces glare and creates a natural finish.
Recommended:
Matisse MM6 Polymer Matt Varnish
How to Varnish an Acrylic Painting
Step 1: Clean Your Painting
Remove dust and loose particles using a soft dry brush or clean cloth. Avoid using water or cleaning products.
Step 2: Prepare Your Workspace
Place your painting flat on a clean surface in a dust-free area.
Step 3: Apply Thin Coats
Apply varnish using smooth, even strokes. Avoid applying one thick coat as this can cause cloudiness, brush marks or uneven shine.
For best results, use a quality artist brush designed for smooth application.
Step 4: Allow to Dry
Allow each coat to dry completely before applying another layer.
Many artists apply two or three thin coats for extra protection.
Common Acrylic Varnishing Mistakes
Varnishing Too Soon
Applying varnish before the paint has fully cured can trap moisture and affect the finish.
Applying Too Much Varnish
Thin coats provide a smoother and more professional result than one thick application.
Working in a Dusty Area
Dust particles can become permanently trapped in the varnish surface.
Water-Based vs Solvent-Based Varnish
Most acrylic artists prefer water-based varnishes because they are easy to apply and clean up.
For artists looking for a more traditional removable finish, consider:
Matisse MM14 Final Varnish Gloss Finish
Frequently Asked Questions
How many coats of varnish should I apply?
Two to three thin coats are recommended for most acrylic paintings.
Can I varnish over Matisse and Atelier acrylic paints?
Yes. Acrylic varnishes are suitable for professional acrylic brands including Matisse Acrylic Paint and Atelier Interactive Acrylics.
Should I varnish every acrylic painting?
For artwork that will be displayed, sold or stored long term, varnishing is highly recommended as it provides protection and improves the final appearance.
Shop Acrylic Painting Supplies
Final Thoughts
Varnishing is a simple but important step that can protect your acrylic artwork for years. By choosing the right finish and applying thin, even coats, you can create a professional-looking surface that enhances and preserves your painting.
