Leather Leathers and finishes vary greatly. So, testing an area or similar materials before beginning is highly recommended. Bend and stretch the test mimicking normal wear. If cracking appears in testing, then follow the instructions for adding GAC 900 to acrylics for softness as recommended in the article linked below.
Hardboard: Wood pulp fibers and binders are formed under extreme pressure and heat. These products can be susceptible to moisture. Although you can draw or paint directly on the hardboard panel with oils and dry drawing media, we recommend a barrier for most applications. When painting with any acrylic paint,
Sketching and Drawing Paper These papers vary widely. Thicker ones are less prone to buckling with water media. For best results, use the media as recommended by the paper manufacturer and test. When working on these types of papers, acrylics, watercolors, and dry drawing media, a barrier is not required.
These products are typically found in art supply stores and are generally a good option; kiln dried, relatively stable, and engineered for this purpose. Although, you can draw or paint directly on the wood panel with oils, watercolors, or dry drawing media, we recommend a barrier for most applications. When
Bristol This is an uncoated machine finished paperboard popular with illustrators. Bristol varies widely. Thicker ones are less prone to buckling with water media. For best results, use the media as recommended by the paper manufacturer and test. When working on these types of papers, acrylics, watercolors, and dry drawing
Printmaking papers Paper varies widely and some will have no sizing. Thicker ones are less prone to buckling with water media. For best results, use the media as recommended by the paper manufacturer and test. When working on these types of papers, acrylics, watercolors, and dry drawing media, a barrier
Handmade papers Papers vary widely. Thicker ones are less prone to buckling with water media. Follow the recommendations for media by the manufacturer. For best results, use the media as recommended by the paper manufacturer and test. When working on these types of papers, acrylics, watercolors, and dry drawing media,
Corrugated Cardboard Made from a combination of Kraft paper, recycled pulp, and sizes or glues, cardboards among one of the most common paper products in use. When working on these types of papers, acrylics, watercolors, and dry drawing media, a barrier is not required. However, when painting with oils on
Linen (Raw, Unprimed). Contents and qualities of these fabrics vary widely. The density and weave along with natural materials, chemicals, and sizing in these fabrics can directly influence its performance. Although acrylics and dry drawing media can work well directly on raw or unprimed linen, we recommend a barrier for
Mediums are important additions to the oil painter’s toolbox. They modify the feel of paint, change the surface sheen, build or reduce viscosity, and in some cases, can be the driving factor behind the aesthetic of a work. Williamsburg Handmade Oil Colors Alkyd Resin can be mixed with oil paints
