FAQ: Retouch Varnish How To Apply?

How do you use Retouch varnish?

You use the retouching varnish as a temporary protective layer on your painting. It is a protective layer for filling up the porous film of oil paint, to protect it against dust and moisture. A retouching varnish ensures that the painting can still ‘breathe’. The paint must be left to dry for at least a month.

How do you apply retouch varnish to an oil painting?

Allow each layer of varnish to dry overnight. Apply the varnish with a soft brush on a horizontal painting. Use even strokes in a single direction for each layer. The new owner/collector of the painting can take it to a art curator for a final varnish after the painting has cured.

Is retouch varnish permanent?

Retouch/Temporary Varnish: permanent but not intended as a long term finish. easily removable for conservation purposes. provides thin semi-protective film.

Can I paint over retouching varnish?

But unlike Artists’ Varnishes, it is possible to paint on top of Retouching Varnish. To achieve this, it is best to keep subsequent layers of colour as “fat” as possible (thinned with lots of medium) and apply them as finely as possible.

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How long does varnish take to dry?

How long does it take for varnish to dry? A single thin coat of Gamvar usually dries tack-free in 18-24 hours. Cold temperatures and, especially, high humidity can slow dry time by several hours.

Is GamVar retouch varnish?

The current favorite varnish seems to be GamVar. If your painting is dry to the touch, you may use it. Personally, I’d be very careful about this. If your paint layers are thick or contain slow drying oils, I’d dilute the GamVar with 20% GamSol (compatible brand solvent) and apply it as a retouch varnish.

How long does Damar retouch varnish take to dry?

Full drying generally takes between 3-6 months although it can take longer with extremely thick paint films (5mm or thicker). If needing a temporary protective varnish before full drying has taken place apply Retouch Varnish.

Can you varnish over varnish oil painting?

The first varnish that should be applied to an oil painting is the retouch varnish. Retouch varnish can also be used between the layers of a painting. After six to twelve months, depending on the thickness of the paint film, a final varnish will need to be applied.

What happens if you varnish too soon?

Premature varnishing may result in the varnish solvents softening and binding with the paint. In combination with temperature and humidity excursions, wrinkling or cracking is a risk. Future varnish removal and renewal may be impossible.

What is dammar varnish?

Damar is a resin-based varnish that, when mixed with oil paint mediums, thins the paint, increases its transparency, and speeds drying time. Used alone as a top coat, it seals paintings and adds a glossy finish. Be sure, though, that your painting is thoroughly dry before applying it as a final varnish.

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How long does retouching varnish last?

The retouching varnish allows the oil painting to dry and at the same time give the oil painting a temporary gloss finish. After 6 to 9 months when the oil painting is completely dry, regular artist varnish can be applied without the need to remove the retouching varnish.

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