Do I need to use a coating or varnish to finish my sign?

How long do you want your work to last? If it will appear in an exposed, outdoor location, we can provide a variety of varnishes, coatings, and glazes that help protect it from the ravages of wind, rain, and ultraviolet light. Some of these coatings are also designed to give it a glossy or reflective sheen. If your sign will appear in a protected indoor location, you might consider some of the products in our [Finishes](https://www.dickblick.com/categories/finishes "Finishes") section.

Sign Painting Coatings and Varnishes

Sign painting coatings and varnishes seal your design and ensure it will continue looking its best for years to come. Varnishes for sign painting protect the sign from outside elements. It also gives the sign a consistent finish with either ...

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Sign Painting Supplies

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Sign Painting Coatings and Varnishes (8)

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Krylon (3)1-Shot (3)Ronan (1)Zinsser (1)

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Krylon UV-Resistant Clear Acrylic Coating
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Item #: 21703
4.6 out of 5 stars
(48) number of reviews
Provides permanent, protective gloss or matte coating to protect art and craft objects and materials against fading caused by UV light rays. Moisture-...
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Krylon Crystal Clear Acrylic Coatings
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Item #: 21703
4.7 out of 5 stars
(38) number of reviews
Krylon Crystal Clear Acrylic Coating provides a permanent, protective gloss finish that won’t yellow with age. Use it on wood, metal, paper, plastic, ...
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Krylon Low-Odor Clear Finish
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Item #: 23710
4.5 out of 5 stars
Krylon Low-Odor Clear Finish. Formulated using true latex technology, Krylon Low-Odor Coatings provide the same quality as traditional Krylon coatings...
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Ronan Aquathane UV Absorber
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Item #: 01027
4 out of 5 stars
Ronan Aquathane UV Absorber helps prevent color degradation by reducing the harmful effects of ultraviolet rays. Ideal for use over fluorescent colors...
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Bulls Eye Spray Shellac
Item #: 01011
5 out of 5 stars
Durable sealer and finish. Fast drying, clear, convenient to use, and no brush to clean.
1-Shot Hardener
Item #: 01038
4.7 out of 5 stars
1-Shot Hardener is designed to accelerate the drying time of 1-Shot Lettering Enamels. It also extends color life, increases gloss, and improves adhes...
1-Shot Chromatic Clear Flattening Paste
Item #: 01038
4.5 out of 5 stars
Perfect for murals, signs, or wherever a reduced gloss level is desired, 1-Shot Chromatic Clear Flattening Paste incorporates a varnish additive that ...
1-Shot Fast Dry Gold Size
Item #: 01038
5 out of 5 stars
The perfect choice for all surface gilding applications, 1-Shot Fast Dry Gold Size reaches its gilding tack in one hour or less and remains open for u...