Ethan Clarke
Sealing artwork on plastic involves protecting the surface of the artwork from potential damage and enhancing its overall appearance. While sealing is not always necessary, it is particularly useful for artwork displayed in environments with water and humidity, such as bathrooms. There are various methods for sealing artwork, including brush-on sealers, spray sealants, and varnishes, each with its own advantages and considerations. Artists need to consider the specific requirements, placement, and location of their artwork before deciding on the most suitable sealing method and product. The sealing process can help maintain the vibrancy of colors and prevent cracking and peeling, discoloration, ensuring the artwork's longevity.
| Characteristics | Values |
|---|---|
| Why seal artwork on plastic? | To protect the artwork from water damage, dust, dirt, cracking, and peeling. |
| When to seal artwork? | When the artwork will be exposed to water, humidity, or outdoor conditions. |
| Types of sealants | Brush-on, spray-on, or varnish. |
| Types of finishes | Matte, semi-gloss, and high gloss. |
| Application process | For brush-on sealants, apply directly to the painting in sections and brush it on. For spray-on sealants, apply several thin coats in alternating horizontal and vertical directions. |
| Precautions | Ensure the sealant is non-yellowing to prevent discoloration. If the artwork will be exposed to sunlight, use a UV-resistant sealant to prevent fading. |
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What You'll Learn
Sealing artwork to protect it from water damage
Sealing artwork is essential to protect it from water damage and preserve its longevity and vibrant colours. Watercolour paintings, in particular, are delicate and vulnerable to damage from moisture, dust, dirt, and UV light. Sealing creates a protective barrier that shields the artwork from these elements, ensuring its beauty and integrity for years to come.
There are several types of sealants (also known as varnishes) and techniques available for sealing artwork, and the best method will depend on the type of artwork and the surface being sealed. For acrylic paintings, some sources suggest that sealing is not always necessary, especially if the painting is displayed indoors and not subjected to much wear and tear. However, if the painting is hung in a humid environment like a bathroom or outdoors, sealing is highly recommended.
To seal artwork on plastic, one option is to use a brush-on sealer. This method provides more control over the application. Simply squirt the sealer directly onto the artwork in small sections and use a soft, flat brush to spread it evenly. Allow at least 30-60 minutes for it to dry. A popular brush-on sealer option is decoupage, an adhesive that can also be used in mixed media paintings.
Another option is a spray-on sealer, which is quicker and easier to apply. Spray sealers are ideal for paintings with detailed work, as they won't smear the paint. When using a spray sealer, ensure you apply it in a well-ventilated area, and choose a product that is labelled "non-yellowing" to prevent discolouration. Additionally, if the artwork will be exposed to sunlight, look for a sealer that is UV-resistant to protect it from fading.
By taking the time to seal your artwork, you can be confident that your creative endeavours will be protected from water damage and enjoyed for generations.
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Using sealants to preserve artwork colours
Sealing artwork on plastic or other surfaces is essential to preserving the colours and protecting the piece from dust, dirt, scratches, UV light, and water damage. The type of sealant used and the sealing method depends on the artwork's placement and the artist's preferences.
One popular method is using a brush-on sealer, which offers more control over the application. Artists should apply the sealer to small sections at a time and use a soft, flat brush to spread it evenly. This method is ideal for intricate details or paint pen work, as it prevents smearing. Brush-on sealants like Amsterdam varnish are available in various finishes, including high gloss, gloss, satin, and matte, allowing artists to achieve their desired look.
Another option is spray sealants, which provide a quick and easy way to seal artwork. Spray sealants like Mod Podge Spray are ideal for achieving a smooth, brush stroke-free finish. However, spraying takes practice to master, and multiple thin coats applied horizontally and vertically may be necessary to ensure even coverage. Spray sealants are available in gloss and matte finishes, with gloss being perfect for making colours pop, and matte for reducing glare.
Artists should also consider the placement of their artwork when choosing a sealant. For outdoor artwork or pieces that will be exposed to sunlight, a UV-resistant sealant is essential to prevent fading. Additionally, for artwork in humid environments like bathrooms, a sealant that adds gloss and shine without discolouration is recommended.
While sealing is crucial for preserving artwork, it is not always necessary for all pieces. For example, acrylic paintings are naturally sealed due to the plastic in the paint, so they may not require an additional topcoat. However, if the artwork is subject to wear and tear or is placed in a humid environment, sealing becomes essential.
In conclusion, artists can utilise sealants to preserve artwork colours and protect their pieces from various elements. By considering the artwork's placement and their desired finish, artists can select the most suitable sealant and application method to ensure their artwork's longevity.
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How to apply a brush-on sealer
Sealing artwork on plastic is important to protect it from water damage, scratches, UV light, and dust and dirt. It is also important to seal artwork to ensure that the colours remain vibrant and the paint doesn't crack or peel.
A brush-on sealer is a good option if you want more control over where the sealer is applied. Firstly, ensure that your varnish or sealer is the same temperature as your acrylic painting. It is best to have both in the same room for over 24 hours. Before you begin, wipe your artwork with a cloth-free towel to remove any dust or hairs.
Next, you'll need to choose what type of finish you want. Sealer comes in matte, semi-gloss, and high-gloss finishes. This is a matter of personal preference. You can also use decoupage, an adhesive that doubles as a great sealer.
Now you are ready to apply the sealer. Apply the sealer to a small area at a time and then use a soft brush to spread it evenly over the surface of the painting. A flat, soft brush will give the best results. Make sure to cover the entire canvas with a nice, even coat of sealer. Allow at least 30-60 minutes for it to dry.
After the sealing process, cover your painting so that dust won't stand a chance of settling on it. Wait until the paint is 100% cured and dry, for at least one to two weeks.
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Using sealants to protect artwork from sun damage
Sealing artwork is essential to protect it from sun damage. Direct sunlight and high temperatures can cause issues for your artwork, with ultraviolet (UV) rays being the primary culprit. Over time, UV rays can cause colours to fade, materials to weaken and deteriorate, and plastics, woods, and fabrics to become brittle and prone to cracking.
To prevent sun damage, you can use UV-resistant sealants, which are designed to protect surfaces from UV rays. These sealants contain additives that create a barrier, preserving the original colour and finish of the artwork. They also prevent deterioration by reducing UV-induced degradation and enhancing durability.
There are various types of sealants available, including brush-on, spray-on, and wax sealants. When choosing a sealant, ensure it is specifically designed for use with the type of paint and surface you are working with. For example, if you are sealing a painting that will be hung outdoors, look for a sealer that says \"UV resistant\" or \"non-yellowing\" to protect it from fading in the sunlight.
Additionally, consider the finish you desire, as sealants come in matte, semi-gloss, and high gloss options. For instance, a DuraClear High Gloss finish can add a fancy touch to your artwork, while a matte finish may be preferred for enhancing visual designs with little glare.
Finally, follow the recommended instructions for drying and curing times before exposing the artwork to sunlight. This will ensure that your sealant has adequately formed a protective shield to safeguard your artwork from UV damage.
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Choosing a sealant finish: matte, semi-gloss, or high gloss
Sealing your artwork is essential to protect it from dust, dirt, and water damage. It also ensures that the colours remain vibrant and prevents the paint from cracking or peeling. When choosing a sealant finish, you have several options, including matte, semi-gloss, or high gloss. Each type of finish has its unique characteristics and advantages.
A matte finish gives your artwork a flat, non-reflective appearance. It is ideal for enhancing visual designs with minimal glare. If you prefer a matte finish, you can use products like the Polycrylic protective finish, which can be applied with a brush or spray, or opt for a Matte Gel Medium to create a dull appearance.
A semi-gloss finish offers a balance between matte and high gloss. It provides some shine while reducing glare. Polycrylic is available in a semi-gloss finish, which can be applied with a brush or spray.
A high gloss finish, also known as a glossy finish, gives your artwork a shiny and reflective surface. It is perfect for making colours pop and adding a fancy touch to your artwork. DuraClear High Gloss and Amsterdam varnish are examples of products that offer a high gloss finish.
Ultimately, the choice between matte, semi-gloss, or high gloss depends on your personal preference and the desired effect for your artwork. Consider the lighting conditions where the artwork will be displayed and whether you want to enhance the colours or minimise glare. Remember to look for non-yellowing and UV-resistant sealants to protect your artwork from discolouration and fading.
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Frequently asked questions
Sealing your artwork on plastic helps protect it from water damage, scratches, UV light, dust, and dirt. It also ensures that the colours remain vibrant and the paint doesn't crack or peel.
It is recommended to seal your artwork on plastic if it will be exposed to water or humidity, such as in a bathroom, or if it will be hung outdoors.
There are a few different methods for sealing artwork on plastic, including brush-on sealers, spray sealants, and varnish. Brush-on sealers offer more control over the application and can be applied directly to the artwork in sections. Spray sealants, such as Mod Podge Spray, are faster and easier to apply but may require multiple thin coats to achieve even coverage. Varnish can also be used to seal artwork, but it is important to use a conservation-grade removable varnish to avoid discoloration and changes to the aesthetic of your artwork.
Before sealing your artwork on plastic, ensure that your varnish or sealer is the same temperature as the artwork, and wipe your artwork with a cloth-free towel to remove any dust or hairs. If using a spray sealant, apply it in a well-ventilated area or outdoors. Look for a sealer that is specifically designed for use with plastic and choose the desired finish, such as matte or gloss.
