Ella Walter
Watercolor painting is a versatile art form that traditionally uses paper as its primary surface. However, some artists may prefer to use canvas for its look and feel, or to hang their artwork without framing. While it is possible to use watercolors on canvas, it presents several challenges due to the non-absorbent nature of the canvas. To overcome this, artists can prepare the canvas surface using specific techniques and materials, such as applying a watercolor ground or gesso coating, to increase absorbency and ensure the paint adheres properly. Commercially available watercolor canvases also offer a convenient alternative, providing a canvas specifically designed for use with watercolors. These canvases have a unique finish or coating that mimics the absorbency of paper while retaining the texture of canvas. Artists should also consider the lifting capability of watercolor on canvas, which allows for easy adjustments and corrections. Proper sealing or varnishing of the final artwork is crucial to protect it from water damage.
Using Pan Watercolor on a Canvas
| Characteristics | Values |
|---|---|
| Absorption | Watercolor paper is more absorbent than canvas, allowing the paint to stick and fix onto the surface. |
| Texture | The texture of canvas can interfere with smooth brushstrokes and fine details. |
| Durability | Watercolors on untreated canvas can be damaged by water or touch. |
| Preparation | To use watercolors on canvas, the surface must be prepared with a primer or coating to increase absorbency. |
| Techniques | Wet-on-wet, wet-on-dry, and layering techniques can be used on canvas. |
| Lifting | Watercolor paint can be lifted off the canvas more easily than paper, allowing for easy adjustments and corrections. |
| Display | Watercolor paintings on canvas can be hung directly on the wall without framing, unlike paintings on paper. |
| Preservation | A spray sealant or varnish is recommended to protect the finished painting and make it waterproof. |
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What You'll Learn
Using a specially prepared 'watercolour canvas'
Watercolor painting is a beautiful and versatile art form. Many artists use paper as their primary surface, but you can also use canvas. The answer is yes, but there are some important steps and techniques to keep in mind.
Using a specially prepared watercolour canvas can be a great option if you want to work with watercolours but prefer the look and feel of canvas. These canvases are designed to accept the watery nature of watercolour paints, and they offer a quick and easy solution compared to prepping your own canvas. Here are the steps to prepare your own watercolour canvas:
First, choose the right canvas. Start with a canvas specifically designed for watercolours or use a high-quality traditional canvas. If you're using a traditional canvas, make sure it's stretched and doesn't have a rough texture.
Next, you'll need to prep the canvas to make it absorbent. You can do this by applying a primer or ground designed for watercolour, such as gesso or Golden Absorbent Ground. Gesso is a primer that creates a surface that can hold watercolour without the paint sinking into the fabric. Apply two to three coats of gesso, letting each layer dry completely before adding the next. You can also lightly sand between layers for a smoother finish.
Alternatively, you can use watercolour ground, a specially formulated medium that creates an absorbent surface on the canvas. This gives you the best of both worlds: the texture of canvas and the absorbency of watercolour paper. Apply thin layers of watercolour ground using a brush or roller, as thick layers may crack. The more coats you apply, the more absorbent the canvas will become.
Once your canvas is prepared, you can start painting with watercolours. You can use various techniques, such as wet-on-wet, wet-on-dry, and layering, to create different effects. Remember that watercolour on canvas behaves differently than on paper, so you may want to experiment and test out different techniques before starting your final painting.
Finally, don't forget to protect your finished artwork. Apply a clear acrylic spray or varnish to seal the paint, preventing smudging and fading, and giving your piece a professional finish.
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Preparing a normal canvas
Using watercolours on a normal canvas is possible, but it requires some preparation. The main challenge is that untreated canvas is not absorbent enough for watercolours, so the paint will slide off or be easily lifted. The solution is to coat the canvas with an absorbent primer, such as "watercolour gesso" or "watercolour ground". This will give the canvas a paper-like quality that watercolours can stick to.
To prepare a normal canvas for watercolours, start by gessoing the canvas as you normally would. Gesso is an important step to allow the absorbent ground to adhere properly. Apply two coats of gesso, allowing each coat to dry before adding another.
Once the gesso is dry, you can apply a thin layer of absorbent ground using a brush or roller. Thin layers are better than thick ones, as thick layers may crack. You will need to apply multiple coats of absorbent ground (at least 5-6) to achieve the necessary absorbency for watercolours. Allow each coat to fully dry before adding the next, and give it at least 24 hours to dry before painting.
You can lightly sand the surface between layers of absorbent ground for a smoother finish. The more coats you apply, the more absorbent the canvas will become. Once the final coat has dried, you can start painting with watercolours. Remember that the watercolours will still be sensitive to water, so be careful not to spill or spray water on the surface.
After you have finished your painting, seal it with a spray varnish or sealant to make it waterproof and protect it from damage.
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Lifting dry watercolour paint
Watercolour paint on a canvas has much more lifting capability than paper, even when the paint is completely dry. The technique of lifting watercolour involves removing some of the paint from the surface. This is usually done using a small amount of clear water with a brush, sponge, or tissue.
There are several methods for lifting dry watercolour paint from a canvas. One method is to use a brush with a gentle scrubbing motion, blotting carefully with a dry brush or tissue as you go. Using a soft-haired brush creates softer edges but is less effective at loosening the dried paint. This method provides greater control in the areas you are lightening.
Another method is to use a natural sea sponge or cellulose sponge with a gentle wiping motion. Lift the colour from the canvas, rotate to a clean area on the sponge, and wipe again. Repeat as needed. Sponges are simpler to use and hold more water than brushes.
You can also spray clear water on an area of your painting and blot it with a paper towel to lighten large areas by degrees. Using the force of the spray in a "sandblast" manner can effectively force pigment off the canvas.
To prepare a canvas for watercolour, you can use a "`watercolour ground"` or "
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Sealing your artwork
There are several types of sealers available, each with its pros and cons. Some popular options include fixatives and varnish coatings. Fixatives are sprayed on the painting before sealing it with a varnish or another sealer, providing an extra layer of protection. Varnish coatings, on the other hand, can be applied directly to the painting and come in various finishes, such as satin varnish, which protects against UV rays, and polyurethane varnish, suitable for any woodwork.
When sealing your artwork, it is important to follow these key steps:
- Ensure your painting is completely dry before beginning the sealing process.
- Prepare the surface of your canvas by choosing a suitable sealer and cleaning the surface thoroughly.
- Apply several thin coats of your chosen sealer instead of one thick coat to ensure even coverage and better protection.
- Allow each coat to dry completely before applying the next one to prevent smudging or muddling of the colours.
By following these steps and choosing the right sealant for your artwork, you can effectively seal your watercolour paintings on canvas and protect them for years to come.
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The pros and cons of using canvas
Using pan watercolors on canvas is possible, but it requires some preparation. Standard canvas is not absorbent enough for watercolors, so the surface must be treated to make it more absorbent. This can be done using a product called "watercolor ground," which can be applied to any surface to make it suitable for watercolor painting. Another option is to use a "watercolor gesso," which is a coating designed to prepare a canvas for watercolor paints.
Pros
- Canvas has a unique texture that can add interest to a painting. The texture can be controlled to some extent by adding layers of gesso or paint to smooth out the grooves, leaving a touch of texture.
- Canvas is a good option for larger pieces as it is easier to transport than a board of a similar size.
- Canvas can be hung directly on a wall without the need for framing, which is convenient and cost-effective.
- Watercolor canvas allows for more lifting of dry paint than paper, making it easier to adjust tones and correct mistakes.
Cons
- Canvas is not as absorbent as paper, which can make it harder for the paint to stick and increase the risk of the paint lifting off too easily.
- The texture of the canvas can interfere with smooth brushstrokes and fine details.
- Watercolors on untreated canvas can be easily disturbed and damaged by water or touch.
- Stretched canvas may lose its rigidity over time, becoming loose on its frame, which can be an issue for long-term preservation.
- Preparing a canvas for watercolor painting can be more time-consuming and complex than simply using watercolor paper.
Overall, while canvas offers an interesting texture and convenience for display, it may not be the best option for long-term preservation of watercolor paintings and requires additional preparation for effective use.
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Frequently asked questions
Yes, but you need to change the nature of its surface from non-absorbent to absorbent.
You can use a product like Golden Absorbent Ground or Fredrix Canvas to make the canvas more absorbent. You can also use a few coats of "watercolor gesso" or "watercolor ground" to make them ready for painting with watercolors.
Paintings on canvas can be hung directly on the wall without needing to be framed. The canvas also has much more lifting capability than paper, making it easier to adjust tones and correct mistakes.
The texture of the canvas can interfere with smooth brushstrokes and fine details. The paint will also remain water-soluble, so it can be disturbed and damaged by water or touch.
You can use a spray sealant like Krylon Crystal Clear or a few coats of spray varnish to protect the painting from water damage.
