How Glazing Can Improve Your Oil Painting

Glazing can be a great technique to bring more depth and vibrancy to certain areas of your painting. There are several different use cases for glazes, but in this post I'm going to focus on how to increase luminosity in areas like the skies or spots you wish to add contrast to.

Glazing an Oil Painting

The upper portion of this painting has been drying for several weeks and so I'm ready to start glazing the sky. It's important that I do not glaze too early because I want to avoid any damage to the dried layer of paint. So a quick piece of advice is always give your painting thorough time before attempting to glaze.

image shows section of painting being focused on

I use Liquin Impasto and a good artist grade paint thinner. I'll need some small brushes to apply and some larger and more stiff brushes to fan it out and blend it. 

image shows small dagger striper paint brushes and larger fan bristle paint brushes to apply and scrub the glaze on the painting

I get some paint thinner on to my palette and start mixing my colors into the thinner to create a wash. It's important to mix this with fat over lean in mind. So I use a little more medium than what I did in the first layer of paint on the canvas.

image shows dipping paint brush in paint thinner, putting it onto the palette, and picking up color to mix into the thinner to create glaze

I want the mixture to be just darker than what's already dried. So you can see how subtle it is when it starts going on. 

image shows glaze being applied and noting the color difference between the glaze and the paint already on canvas

I like to use these large bristle fan brushes to scrub vigorously side to side to spread out and even out the glaze. This creates a darker hue which provides more luminosity and more depth in your painting. Remember that when you glaze you are generally going to darken the area.

image shows using large bristle fan brush to vigorously scrub the glaze in from side to side creating a deeper hue

It's helpful to use paint colors that are more transparent than opaque, although opaque colors can make for an interesting effect. When using an opaque color, it can be semi-transparent which could lighten the area, but add a twist to it depending on the color used.

image shows another example of applying and scrubbing the glaze

Overall it may be hard to see the difference on camera but it makes a big impact when viewing the painting in person.

image shows painting as a whole from a few steps back after having applied the glaze on portions of the sky

Watch the full process above in this video below:

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 I'm Chuck Black, landscape and wildlife artist based in Southwest Montana.

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