Sizing a canvas or a wood panel

A canvas or wood panel must be sealed before priming to avoid Support Induced Discoloration (SID), a condition resulting from impurities drawing up through an unsealed substrate as paint dries, causing the paint to discolor.

Use Golden’s GAC 100 or Natural Pigment’s Rublev Fluid Medium. Pour into a tray and using a brush, apply pressure scrubbing it into the weave of the canvas. Apply two coats allowing to dry between coats. If you are sizing a wood panel, you could use a brush or a wide spatula or putty knife, apply two coats allowing to dry between coats.

Once your have sealed your canvas or panel, you can then apply the primer.

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