Translatin
The Transnational Impact of Latin Theatre from the Early Modern Netherlands

WHAT DOES IT MEAN TO PREPARE A WOOD PANEL?

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    johnakers
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    To prevent the acidic oil in the paint from penetrating the wood support and destroying the wood fibers, oil painters must use a wood arts protector. While acrylic painters are not affected by this issue, when using acrylic paint on wood, sealing is still required to avoid Support Induced Discoloration (SID). Acrylic paints are the only ones that cause SID. If the support is not well sealed, natural impurities in the support might cause an amber yellow discoloration of any light coloured or clear acrylic layer applied to the wood.
    It’s common to mix up primers and sealers. A sealer is used to protect the underlying layer or material. It should be glossy to effectively protect the surface by providing a barrier (or non-absorbent). A primer is a foundation layer that helps the paint adhere to the support. A primer, in general, is a layer that prepares the surface for painting. It’s crucial to keep in mind that gesso is a primer, not a sealant. Because gesso is absorbent and has a satin or matte finish when applied, it will not adequately seal the wood unless multiple coatings are applied – and even then, it may not seal.

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