Genesis® Artist Colors (Cont'd)
U.S. Patent 5,700,858. Patent pending worldwide.
To dry fully, Genesis® Artist Colors the temperature must reach 250°F/121°C to 280°F/138°C for several minutes. Bringing the paint to this temperature without overheating is important. The Genesis Drying Gun has adjustable temperature settings appropriate for working with the paint. Keep the gun an inch or more away from the canvas to prevent scorching the paint or canvas. Genesis® Artist Colors dry better at the recommended temperature range applied for a longer time rather than through extreme heat brought to bear quickly. If you see smoke or fumes coming off the canvas or notice small bubbles forming in the paint, you are overheating. If you do happen to overheat the paint, ventilate your work area and use less heat either by lowering the gun temperature or by holding the drying gun further away from yo ur work.
With a little practice, you will also learn to dry an isolated area so that you can try a change in color or add a detail. With the underlying area now dry, new work can be wiped off and tried again until you are satisfied.
If you paint in thick layers or impastos, experiment drying different amounts of Genesis® Artist Colors and breaking them open once they have fully cooled. If they break open easily and have a dry, cracked texture, the paint did not dry long enough for the heat to penetrate or dried at too low a temperature. This is easily resolved by expanding the heating time, and in some cases, by increasing the temperature applied.
After you have heated Genesis® Artist Colors, allow a few minutes for cooling before applying the next layer. After a few minutes of cooling, the paint becomes firm yet still quite flexible.
The Genesis Drying Gun was designed to be lightweight and comfortable to use, while delivering an appropriate heat range for drying Genesis® Artist Colors. It is not a hair dryer!
If you choose to use other "heat guns," be careful not to overheat the paint. Most high-powered heat guns will destroy any paint if brought too close. Hair dryers, on the other hand, have too little heat to bring Genesis® Artist Colors to full drying temperature.
Read the Genesis Drying Gun instructions completely before using. Following the instructions and experimenting on trial samples acquaints you with how Genesis® Artist Colors dry. This helps you avoid damaging your work later.
For larger paintings, use the convenient "full-canvas (24" x 24") Genesis Drying Box or dry smaller sections of work with the Drying Gun as you go.
Many artists find success drying their works for several minutes in a kitchen oven set between 250°F/121°C and 280°F/138°C. Set the painting on a cookie sheet to avoid getting paint on the inside of the oven.
For larger surfaces, explore drying with a radiant heater.
If you are working on surfaces that fit into a kitchen oven (approximately 16" x 18"), you should buy an oven thermometer to check the accuracy of your oven. Test the oven by turning it on and finding how long it takes to get to the desired temperature. Notice whether the thermometer temperature matches the setting on the oven dial and adjust as necessary. Because oven temperatures vary, do not leave your painting unattended.
Preheat the oven to 265°F/129°C. Place your painting on a cookie sheet slightly larger than your frame. You may choose to place some small spacers between the cookie sheet and the painting to allow heat to circulate. Leave the painting in the oven for at least 10 to 15 minutes, and allow longer time for thicker works.
Remove your painting from the oven and allow it to cool fully before handling or overpainting. Never use the broiler to dry, as it is very likely to burn the paint and/or substrate.
The cold-start method brings the temperature up slowly.
Place the painting on a cookie sheet for easier handling. You might want to place spacers under it to allow heat to flow more freely to the back. Put the cookie sheet with the painting on it on the oven rack at about mid-height in the oven. Close the door and set the temperature to approximately 265°F/129°C.
Allow time for the oven to reach 265°F/129°C and leave the painting in for an additional period of at least 10 to 15 minutes (longer for thicker applications). Do not exceed 280°F/138°C.
Paint and dry at least three small paintings before attempting a large canvas using radiant heat. This familiarizes you with the visuals of drying and helps you gain an understanding of drying speed.
Radiant heaters are readily available in hardware stores and in many general and department stores. They are also available through the Internet and mail-order catalogs. Some radiant heaters have fans to help move the air. Fans might blow dust on to your painting and must be cleaned frequently.
Generally, the heaters have at least two settings. The lower one is generally about half the heat of the higher one. Experiment with the heater you choose. We have found several that work very well when placed between one and two feet away from the painted surface. Because radiant heat can overheat a painting, it is very important to attend to the heating process.
Time has no bearing on your application. When you have completely blocked in your painting or large section, you can chose to dry this layer.
With the radiant heater, make large slow passes over the area to be dried in either a vertical or horizontal motion. Youll see the paint dry as you go.
After the painting dries completely, you can continue to paint.
Finish painting by using the heat gun to spot dry.
For added confidence in the finished work, some artists use radiant heat as a final dry.
Drying with a Toaster Oven
For small paintings, a toaster oven is very efficient to use.
Place the painting in the oven and set the oven at 225ºF/107ºC. Heat for five to 15 minutes, canvas board and gesso board will dry evenly over the whole surface. If you are drying a stretched canvas, make sure the edges are dry. Because of the wooden frame, the edges may take longer to heat.
Always place the paintings on the wire rack to help heat circulation.