January 23, 2021

Best Isolation Coat for Acrylic Painting

An Isolation Coat for Acrylic Painting defines a coat between your finished painting and the varnish. That is a clear and non-removable coating that works to practically separate the paint surface from the removable varnish. Acrylic artists use isolation coat in order to seal any absorbent areas in order to create an even surface on which to apply the varnish or to protect the painting if the varnish is removed by separating the pigmented area of the painting from the solvents used in removal.

Applying an isolation coat can be highly effective to protect a piece of artwork. In fact, using an isolation coat is not useful for every painting. If you decide to apply an isolation coat that means an aesthetic decision depends on your expertise.

When you know well the changes created by the application of an isolation coat and subsequent varnish you understand and anticipate, then it would be a wise decision to apply an isolation coat for your acrylic painting. In case you are right now confident, we suggest the following best brand to apply that will bring brilliant results.

Best Isolation Coat for Acrylic Painting

Brand Name Image Rating Price
Golden Artist Colors Isolation Coat 4.7 View on Amazon
Golden Artist Colors-Soft Gel Gloss 4.7 View on Amazon
Delta Creative Clear Acrylic Sealers 4.6 View on Amazon

1. Golden Artist Colors Isolation Coat

You can apply Golden Artist Colors Isolation Coat to your acrylic paintings to unify and protect the surface. Sealing an acrylic painting with this isolation coat prior to varnishing ensures an even application of varnish and provides a layer of protection.

Golden Artist isolation coat definitely would be the right choice that provides a barrier between acrylics and varnishes that protects and unifies the painting surface. Moreover, it protects the painting if varnish is removed.

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2. Golden Artist Colors-Soft Gel Gloss

Then you can use Golden-Soft Gel Gloss as an isolation coat for your acrylic painting before applying varnish. The Golden Soft Gel is acrylic-based, it is archival and non-yellowing and of course a professional artist medium.

Golden-Soft Gel Gloss is perfect to create a transparent layer and ideal to use before varnishing to create a separation layer. It works great, easy to use, ensures high-quality, and non-toxic painting material.

Gel mediums also are ideal for extending colors, altering sheen, changing body, increasing translucency, adhering collages, and increasing film integrity.

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3. Delta Creative Clear Acrylic Sealers

Finally, you can choose Delta Creative Clear Acrylic Sealers as an isolation coat for acrylic painting that can be used over water base and oil base paints, glazes, lacquers, and Varnishes.

It is easy to use, stays durable, dries clear and fast, non-yellowing.

In addition, this clear sealer produces a non-yellowing finish. It can be used as a fixative for pastel, charcoal, and pencil drawings, on full-color or hand color prints to prevent bleeding, on wood as a sealer, and as a preservative for maps, photographs, and documents.

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Application of Isolation Coat to Acrylic Painting

You need to apply the isolation coat very consciously. As it is a transparent layer you should carefully apply it to the painting so that not to distract them from the brushstrokes of the isolation coat.

If you apply an isolation coat with a brush to your acrylic painting with a considerable amount of texture can produce foam. This might require a spray application or the decision to avoid an isolation coat altogether.

In case of painting involving colored wash or stains, an isolation coat may be very important because the pigments may not be in the binder in sufficient quantity and may bind, making these areas fragile and sometimes very brittle for varnish removal without the possibility of making paint lift.

This fact also means that a spray application of an isolation coat might be essential for you to avoid any bleeding or smearing of the paints.

Before applying an isolation coat, make sure that the painting dries completely. Ideally, take 24 hours to dry the paints before applying an isolation coat.

When you applying, look over the surface of the painting up close to see you don’t have any rogue brush hairs on the surface.

You should use a clean brush and then only use this brush for varnish. It will be tempting if you are in a rush to use another brush that you think is completely clean.

An isolation coat should dry within approximately 10-30 minutes of application. It is best to allow the isolation coat to dry one day before applying a varnish.

If there is a time period of two weeks or greater in between the application of the isolation coat and the varnish, it may be necessary to wipe the surface of the isolation coat down with a soft, lint-free damp rag in order to remove any surfactants that could cause a lack of adhesion with the varnish layer.


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