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True to historic working properties. Safer. More Permanent.


The mission at Gamblin is to lead oil painting into the future, which means crafting materials as they ought to be, not just as they have been. Gamblin contemporary mediums are true to historic working properties, yet safer and more permanent.


Painting mediums offer a great deal more than simply extending oil colours. Mediums modify the working properties of oil colour from the tube – from a fluid consistency for expressive mark making to a stiff paste for creating thick, crisp marks. Painting mediums also broaden the visual qualities of our colours – from increasing the transparency of paint layers to creating a range of surface qualities, from high gloss to matte.


When a painting is completed, all of the thought, effort and emotion that went into it are reflected in the artist’s marks. Choosing the appropriate painting medium can be an essential part of making oil painting your own. With a painting medium that fits your needs, you can get into the flow of painting faster and stay there longer.


Gamblin’s family of Alkyd painting mediums and Cold Wax Medium are formulated with Gamsol. We recommend only Gamsol for thinning these materials.


Note: Oil painting mediums should not be used as a varnish or final coat.


Galkyd is an alkyd resin painting medium that increases the fluidity of oil colours and speeds their drying time. Thin layers of oil colours are dry in 24 hours. The viscosity of Galkyd is similar to traditional painting mediums made from linseed stand oil. Galkyd levels brush strokes, creates a strong flexible paint film and leaves an enamel-like glossy finish. Galkyd is ready to use. Thins with odourless mineral spirits. Painters can add up to 50% by volume odourless mineral spirits to change the viscosity of Galkyd for glazing. Galkyds are Excellent glazing mediums.




Galkyd thins oil colours and increases transparency and gloss. When used in greater proportions with oil colour, Galkyd will level brush-strokes, creating an enamel-like surface. Galkyd is our fastest-drying painting medium. Thin layers will be touch-dry in approximately 24 hours.


Galkyd Lite

Galkyd Lite thins oil colours and increases transparency and gloss. When used in moderation with oil colours, Galkyd Lite will retain brushstrokes. Galkyd Lite is more fluid and less glossy compared to Galkyd. Thin layers will be touch-dry in 24 to 30 hours.


Galkyd Slow Dry

Galkyd Slow Dry thins oil colours and extends working time. Galkyd Slow Dry is more fluid and less glossy than Galkyd Lite. Use one part Galkyd Slow Dry to one part oil colours to paint wet-into-wet for at least a day.


Neo Megilp

Neo Megilp is a contemporary version of Maroger. This soft gel medium maintains the body of oil colours, increases transparency and flow, and imparts a smooth, silky feel. Neo Megilp dries at a moderate rate and remains workable for hours. Neo Megilp gives colours a satin gloss.


Galkyd Gel

Galkyd Gel is a stiffer gel compared to Neo Megilp that holds thicker, sharper brushmarks and dries more quickly. Galkyd Gel increases the transparency of oil colours and creates impasto.

Gamblin - Oil Painting Mediums

  • Please contact us to purchase by calling 403-258-3500 or by simply emailing us at We are not yet an E-commerce business. All purchases will be in-store or shipped by call or email.

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Calgary AB Canada

T2H 0W5

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