Isabella Flores
If you're looking to seal paint pens on a skateboard deck, you might want to consider using polyurethane, a clear coat, or epoxy to protect your artwork from wear and tear, as well as UV damage. Some skateboarders opt for a clear coat finish to protect their decks, while others suggest using epoxy for added protection and shine. If you're using Poscas, or acrylic paint, an acrylic spray is recommended as a water-based finish could cause your artwork to dissolve.
| Characteristics | Values |
|---|---|
| Coating for durability | Polyurethane, spar varnish, spar urethane, epoxy |
| Coating for UV protection | Clear coat |
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What You'll Learn
Using polyurethane to seal paint pens
Polyurethane is a popular sealant for contractors and renovators due to its flexibility, durability, compatibility with various materials, and superior mechanical strength. It is also waterproof, resistant to shrinkage, and sandable. Polyurethane sealants do not dry and cure chemically, so they require moisture to do so. If you live in a dry climate, you will have to wait longer than those in more humid climates.
Before applying polyurethane to seal paint pens on a skateboard deck, you should let the caulk cure completely. Generally, if you are using water-based paint, you will have to wait for at least two days, while if you are using oil-based paint, you will have to wait at least a week. After letting the paint cure, you will need to prepare the surface by removing any dirt, dust, and debris. You can do this by dipping a cloth in a mineral spirit or solvent to clean the area and achieve a cleaner and more even finish.
Once the surface is prepared, you can start applying the polyurethane. If you are using a brush-on sealer, you should apply the first coat in a dabbing motion, being careful not to touch the same area twice, as this can cause the paint to smear. Once the first layer is dry, repeat the dabbing motion for a second layer. After the second layer is dry, you can brush on your next coat as you would with standard paint. You can add as many layers of polyurethane as you like.
If you are using a spray sealer, you can follow the instructions provided by the manufacturer. Some popular spray sealers include Rustoleum and Krylon.
It is important to note that polyurethane may not be suitable for all paint types. Oil and latex paints are ideal for use with polyurethane sealants. Additionally, if you are sealing artwork, you may want to consider a clear coat option that will not "amber" over time, such as a clear spar urethane.
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Pros and cons of epoxy coating
When it comes to sealing paint pens on a skateboard deck, there are various methods, each with its own set of advantages and disadvantages. One popular option is to use an epoxy coating. Here are the pros and cons of using epoxy coating for this purpose:
Pros of Epoxy Coating:
- Protection: Epoxy coatings provide a durable and long-lasting protective layer for your artwork. They can withstand abrasions and forces that a skateboard deck is subjected to, such as flexing and concrete or steel surfaces.
- Water Resistance: Epoxy coatings are known for their ability to protect surfaces from water damage, which is crucial for skateboard decks that may be exposed to wet environments.
- UV Protection: Some epoxy coatings offer UV protection, shielding your artwork from fading or discolouration due to sunlight exposure.
- Clear Finish: Epoxy coatings can provide a clear, transparent finish that showcases your artwork without altering its appearance.
Cons of Epoxy Coating:
- Grip: Certain epoxy coatings can be too grippy, affecting the slide performance of the skateboard on concrete or steel. This is an important consideration for riders who perform tricks involving board slides.
- Brittleness: Modern epoxy coatings can be more brittle than traditional ones, which may lead to cracking under the flexing forces that a skateboard deck experiences during use.
- Ambering: While clear epoxy coatings are available, some types may amber over time, altering the appearance of your artwork.
- Refinishing: Removing an epoxy coating for refinishing or repairs can be challenging and may require extensive sanding or other intensive methods.
When considering epoxy coating for your skateboard deck, it's important to weigh these pros and cons to make an informed decision. Additionally, combining different coatings or exploring other options like polyurethane or lacquer might be necessary to achieve the desired balance of protection, performance, and aesthetics.
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![Clear Waterproofing Wood Sealer [1-Quart] - Premium Outdoor Protective Wood Finish. Semi-Gloss Water-Based Varnish for Exterior Wood with Durability in All Weather Conditions.](https://m.media-amazon.com/images/I/81M5rkkj8dL._AC_UL320_.jpg)
Spar varnish and spar urethane
Spar varnish was originally designed to preserve the spars (wooden poles) of sailing vessels. It can withstand extreme conditions like wind, water, temperature changes, and ultraviolet light. It remains flexible when dry, allowing it to shrink and swell along with the movement of the wood. This flexibility prevents chipping and cracking. However, modern spar urethane, designed for boat masts, can be more brittle.
Spar urethane, on the other hand, is a durable, self-leveling sealer that also protects wood. It contains solvents and resins, including urethane plastic, and is available in oil-based and water-based versions. The oil-based type has more oil content, making it more flexible than polyurethane. This flexibility is advantageous for exterior projects, as it can handle extreme humidity and temperature changes without cracking. Spar urethane is also UV-resistant and suitable for outdoor use.
When deciding between spar varnish and spar urethane for your skateboard deck, consider the following:
- Spar varnish's flexibility can prevent cracking during the flexing forces a skateboard endures, but modern spar urethane's brittleness may cause concern.
- Spar urethane is more UV-resistant, which is crucial for outdoor use, but it is weaker overall than polyurethane.
- Spar varnish was designed for the harsh marine environment, so it may offer superior protection against water and temperature changes.
- Spar urethane is as hard as plastic, while spar varnish will remain flexible.
Ultimately, both options have their advantages and disadvantages, and the choice depends on your specific needs and concerns.
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Poly coating for durability
Poly coating, also known as polyurethane, is a popular choice for sealing paint pens on a skateboard deck. It is a traditional wood finish that provides a durable and protective layer.
To achieve the best results, it is recommended to apply multiple thin coats of poly, with light sanding in between coats. This ensures a smooth and even finish. The number of coats depends on the desired level of protection and the specific product being used. Two to four coats are typically sufficient for most applications.
When applying poly coating, it is important to work in a well-ventilated area and follow the manufacturer's instructions for the best results. It is also recommended to test the poly coating on a small area of the skateboard deck before proceeding with the entire surface, as some paints may interact with the poly and cause wrinkling or other undesirable effects.
Poly coating provides a durable finish that can withstand light wear and tear, but it may not be suitable for heavy-duty use or grinding. For added protection, consider using a clear coat lacquer finish, which offers superior durability and UV protection. However, it is important to note that too many coats of lacquer can give the deck a plastic-like appearance.
Overall, poly coating is a reliable and popular choice for sealing paint pens on a skateboard deck, providing a balance between durability and aesthetic appeal. With proper application and maintenance, it can help protect your artwork and ensure a smooth riding experience.
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Mineral oil or wax as a temporary finish
Mineral oil or wax can be used as a temporary finish on a skateboard deck. However, some people advise against using mineral oil as it penetrates the wood deeply and interferes with future finishes. It also doesn't dry, which means it will inhibit any future finish from penetrating or sticking. If you plan to refinish your skateboard deck with something different in the future, it is better to leave it raw and finish it later. Sanding off coffee stains and pen marks is easier than stripping and sanding a shellac or wax/oil finish.
On the other hand, wax will also prevent you from putting anything on top of the skateboard deck later. A thin coat of harder paste wax will work, but it will be labor-intensive to apply and remove.
A better alternative to mineral oil and wax is shellac. It is the cheapest option, easy to remove when dried, and provides enough protection for the wood. It can be easily wiped off with denatured alcohol.
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Frequently asked questions
Use polyurethane to seal your artwork on your skateboard deck, especially if it will be ridden and subjected to wear and tear.
It is recommended to use an acrylic spray as water can rub off Posca aka acrylic paint.
Yes, you could use epoxy, spar varnish, or spar urethane. However, modern spar urethanes are more brittle than those designed for boat masts, and spar varnish will "amber" over time.
It is recommended to use a few layers of coating for protection and to keep the shine.
Yes, you will need a separate coating for UV protection.
