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Galeria Acrylics Mediums, Gesso & Varnishes

Galeria Black Gesso Primer

Galeria Black Gesso Primer

Winsor & Newton's popular Galeria Gesso Primer in a matt black finish for dramatic colour contrast. It can be used to prime your surface for acrylic painting straight out of the pot.  A great quality gesso at an affordable price.

Available in 1 Litre Pot

£17.90 – More Details

Galeria Black Lava Texture Gel

Galeria Black Lava Texture Gel

A granular paste containing fine particles of black flint allowing the artist to achieve a heavier and more pronounced effect than can be achieved with Mineral Texture Gel.

Available in 250ml and 500ml Pots.

Multiple Prices – More Details

Galeria Extender

Galeria Extender

A highly economical medium, Galeria Extender increases the volume of paint and maintains opacity. Colour will dry to a matt finish. A great product for those with limited budgets.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Flexible Modelling Paste

Galeria Flexible Modelling Paste

A lighter-weight modeling paste for use on canvas (to minimize sagging). Finely textured with a soft sculptural consistency. Suitable for building multiple layers. Matt finish. May be over-painted.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Flow Improver

Galeria Flow Improver

This is an additive that loosens the surface tension of water within the acrylic film. It increases flow, allowing the artist to apply areas of flat colour evenly without changing the colour strength.

Available in 250ml Pot

£9.40 – More Details

Galeria Fluid Retarder

Galeria Fluid Retarder

Galeria Fluid Retarder is an excellent product for extending the drying time of acrylic colours allowing for more time to work with your paints. Just a few drops will allow for easier blending and manipulation.

Available in 250ml Pot

£9.90 – More Details

Galeria Glass Beads Texture Gel

Galeria Glass Beads Texture Gel

This medium is composted of small, spherical glass beads suspended in a thick, clear acrylic gel. When used with a transparent colour, the effects are arresting and jewel-like.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Gloss Medium

Galeria Gloss Medium

Boosts the brilliance and transparency of your acrylic colour as well as improving the flow. Ideal for glazing or applying thick, highly transparent layers of shiny, brilliant colour for depth and a "stained-glass" effect.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Gloss Varnish

Galeria Gloss Varnish

Galeria Varnish protects your finished acrylic painting.  It is removable and has Gloss sheen once dry.

Available in 75ml, 250ml and 500ml

Multiple Prices – More Details

Galeria Heavy Carvable Modelling Paste

Galeria Heavy Carvable Modelling Paste

This is the do-it-all modelling paste that is tough and fully "carvable". It remains flexible on a variety of surfaces. Suitable for multiple layers. Formulated to have the least effect on colour change from wet to dry. May be over-painted.

Available in 250ml

Multiple Prices – More Details

Galeria Heavy Structure Gel

Galeria Heavy Structure Gel

This is the heaviest gel available in the Galeria range. Ideal for creating strong surface texture and very high peak retention. Smooth and flexible. Heavy layers are easily and quickly built. ‘Satin' finish to prevent thick layers from looking too plastic.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Iridescent Medium

Galeria Iridescent Medium

Suitable for a variety of surfaces and developed to provide pearlescent effects when added to colour.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Large Grain Gel

Galeria Large Grain Gel

A more pronounced textural grain effect than the Medium Grain Gel, providing more visible structure and effect to the colour. When mixed with acrylic colour, Large Grain Gel forms a pronounced granular texture. It may be used alone as a clear, textured film, or with added colour. It may also be over-painted.

Available in 250ml and 500ml Pots.

Multiple Prices – More Details

Galeria Matt Medium

Galeria Matt Medium

This medium creates a flat, even finish. It maintains brilliance of colour while boosting transparency, adhesion and durability.

Available in 250ml and 500ml Pots.

Multiple Prices – More Details

Galeria Matt Varnish

Galeria Matt Varnish

A unique removable matt varnish which may be mixed with Galeria Gloss Varnish to vary the final finish.

Available in 75ml, 250ml and 500ml

Multiple Prices – More Details

Galeria Medium Grain Gel

Galeria Medium Grain Gel

Galeria Medium Grain Gel forms an evenly distributed granular appearance when mixed with acrylic, alternatively it can be used alone as a clear texture or over-painted.

Available in 250ml and 500ml Pots.

Multiple Prices – More Details

Galeria Sand Texture Gel

Galeria Sand Texture Gel

A finer and more consistent texture than the pumice in Mineral Texture Gel. Whilst natural or environmental sand can be added to acrylic colour, any impurities can seriously compromise the chemistry of the paint film.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Satin Varnish

Galeria Satin Varnish

A uniquely removable satin varnish for the protection of finished acrylic paintings

Available in 75ml, 250ml and 500ml

Multiple Prices – More Details

Galeria Screen Printing Medium

Galeria Screen Printing Medium

Adding Galeria Screen Printing Medium to the acrylic colours will improve flow and slow drying time, allowing for successful printing.

Available in 1 Litre Pot

£24.49 – More Details

Galeria Structure Gel

Galeria Structure Gel

Add to acrylic colour to create high peak retention. Smooth and flexible. Provides a gloss finish with good clarity.

Available in 250ml and 500ml Pots

Multiple Prices – More Details

Galeria Varnish Remover

Galeria Varnish Remover

Winsor & Newton acrylic varnishes are readily removable with this product, allowing pictures to be cleaned and re-varnished in the future without fear of damage.

Available in 75ml bottle

£4.20 – More Details

Galeria White Gesso Primer

Galeria White Gesso Primer

Winsor & Newton Galeria Gesso can be used straight from the pot to prime your surface for acrylic painting. It boasts excellent 'tooth and pigment strength.  A great quality gesso at an affordable price.

Available in 1 Litre Pot

£16.05 – More Details