Types of varnish for acrylic paint
The million dollar question is… Now, what varnish should I use to protect the stones that I have painted?
Today we bring you this article to get you out of the typical doubts that so many people have asked us and that we also had to protect this type of crafts.
Therefore, We show you a series of tests and results that we have done to describe the characteristics, advantages and disadvantages of each type of varnish. In this way you can decide more easily which varnish to use, depending on which one you like the most or the best for you. Let’s go there!
Acrylic spray varnish
This type of varnish is ideal for small stones with many details. We recommend it for those more delicate and complicated DIY to apply with a brush. Above all, it is ideal for paintings and crafts made with a marker. It takes between 15 and 20 minutes to dry.
Gloss (image No. 0), Satin (image with +, – , = ) Matte (image No. 5)
Easy to find. Dries very fast. The finish is perfect and uniform.
Its cost is high because the spray is spent fast. It is toxic, NOT recommended for use with children. It is advisable to use a mask and apply it outdoors.
Acrylic common varnish (for Stone)
It is the most commonly used varnish for different types of tasks. With a thick texture, it takes about 2 hours for the 1st layer to dry and 12 hours for the 2nd layer.
Gloss (in a can)
Easy to find at any DIY store, very economical. It is resistant to the outside.
It is toxic, NOT recommended for children. Cleaning with solvent.
It is a varnish for almost all types of crafts, especially for Decoupage. Of thick texture and aqueous composition. Drying time 1 hour for the 1st layer and 2 hours for the 2nd.
Gloss (image No. 8) and Satin (image No. 9)
Washable with water. Highly recommended for use with children. It is not toxic.
It is expensive, it is not recommended for outdoor. Not recommended with a marker, it is possible that it diffuses and spoils the craft.
This varnish has a thick texture with polyurethane composition and easy cleaning. Approximate drying time of 4 hours between each layer.
Gloss (image No. 3)
It’s not toxic, it is very resistant, it is cheap and recommended for use with children.
It is not recommended to apply it on stones painted with markers, since it can blur the drawing.
High Gloss Varnish
This permanent varnish is used in fine arts and to protect surfaces. It has a liquid texture and a drying time of 3 hours.
Gloss (image No. 6)
It is not toxic. For indoor and outdoor use. It’s resistant to wáter.
Too much liquid for stones and for use with children. Cleaning with solvent. It is expensive.
Liquid varnish resistant to ultraviolet rays. Used for paintings with acrylic paints.
Satin (image No. 7) and Matte (image No. 4)
Resistant to the passage of time.
It’s toxic. Not suitable for children. It is removed with solvents. It takes 24 hours to dry the 1st hand, and 48 hours the 2nd. It’s expensive.
It is used for wood as a primer, but it works very well on the stone. For indoor use. Create a layer that smoothes the Surface.
Gloss (image No. 1)
Drying very fast, between 15 and 20 minutes to apply a 2nd coat. Its finish is uniform. It can also be used on markers.
Toxic. It is removed with alcohol. Not recommended for use with children. It’s expensive.
It is a varnish that is used in fine arts to protect paintings in paintings. Made with resins. The finish is very bright and is very smooth. While it dries, it is sticky.
High gloss (image No. 2)
Very good smooth finish. Resistant to the passage of time and weather conditions.
Very very toxic, NOT suitable for children. Beware of exposing outside the stones to children and animals, because, due to its toxicity, it is not recommended. It takes a long time to dry, between 24 hours to add 2nd layer and up to 3 days for a third. It is removed with solvent. It’s expensive.
Very important: Read the instructions before using this type of product. The use of varnish and paint can be harmful to your health and that of children if proper precautions and indications are not followed.
These are the varnishes that we have tried and our experience with them. There are a great many types and brands, so the characteristics can be different in each case. If you find one that you like more, for its finish, resistance, durability, etc. or have any suggestions, tell us. We will be happy to expand the knowledge and experience of all people who like this type of art.
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With these tips, we want to help you choose the best type of varnish to make your creations even more spectacular.
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