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Working with Gel Mediums
Gel Mediums create transparent impasto. Cold Wax Medium creates matte impasto.
Most mediums and medium mixtures work best in thin layers.
When choosing to paint in thicker layers, consider how the layers adhere to each other.
Suggestions:
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Add a clear glaze layer of Galkyd thinned with solvent then add the next painting
layer immediately "wet into wet."
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Make and use the same medium formula for each painting. The simpler the structure of a
painting, the longer it lives.
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Paint fat over lean by adding more solvent and less medium in the under layers and adding
more painting medium and less solvent in the upper layers.
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Work on panels or other rigid supports so the surface of the painting does not move over
time.
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MEDIUM COHESION / MODERATE DRY
Neo Megilp is a 21st century formulation of one of the Old Masters' true secrets. This soft gel impasto,
originally called Megilp and more recently called "Maroger" medium, can create a unified atmospheric,
dimensional layer into which low viscosity color can be floated. Painters in the 18th century knew that this
combination of lead boiled in oil and mastic varnish darkens significantly over time but still used it.
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Neo Megilp, based on alkyd resin, is made without lead or turpentine. The soft silky gel has less
drag on the brush than the Galkyds
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Neo Megilp 90% + oil colors 10% makes a soft glaze impasto that is slow drying.
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HIGH COHESION / FAST DRY
The viscosity of Galkyd Gel is so high, it has no flow
so it holds brush and other marks in place.
- G-Gel is a fast drying medium.
- It mixes and thins with all Gamblin artists' materials.
- G-Gel 10% + oil paints 90% enhances transparency without decreasing viscosity.
- G-Gel 90% + oil paints 10% creates a glaze impasto, a technique unavailable to the Old Masters.
- G-Gel 90% + Galkyd 10% decreases viscosity and increases flow.
- Add Poppy Oil 10% to decrease viscosity and slow down drying.
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Cold Wax Medium 50% +
Galkyd Gel 50% makes thick translucent layers that can be applied to
linen or canvas on flexible supports. Adding 10% Galkyd increases the flow.
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A mixture of Cold Wax Medium 30% + oil colors is flexible enough to paint on canvas or linen
flexible supports.
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A mixture of more than 30% Cold Wax Medium + oil colors is best painted on rigid supports.
Caution: Oil paintings made with more than 50% Cold Wax Medium to oil paint mixtures are very
sensitive to heat. Store at temperatures below 120 degrees F. Avoid direct sunlight. Naturally white,
unbleached beeswax melts.
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