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2008

Application Methods

(From The Basics Of Coloring Wood by Bob Flexner)

 

The basic way to apply a stain is to wipe, brush or spray it onto the wood, and then wipe off the excess using a dry cloth. This will produce an even coloring as long as the wood isn’t naturally blotchy and you have prepared it well. 

Other ways to apply color include the following: 

Spray on a stain and leave it (Sometimes called “toning”). You can spray and entire surface to produce an even coloring, or you can limit the spray to parts (for example, just sapwood) to correct and uneven coloring in the wood or create special effects. Use only dye stains, or pigment stains designed for spraying, so you don’t create adhesion problems, and thin the stain enough so you don’t leave lap marks.

Partially seal the wood before applying a stain (called “washcoating”). The purpose is to seal the wood enough so a stain doesn’t cause blotching but still colors the wood. Using a washcoat and stain is much more efficient than using a gel stain when staining large or multiple objects.

A washcoat is any finish or white glue that is thinned to approximately three-to-seven percent solids – enough to get the effect you want. An exact percent can’t be given because the porosity of woods varies and everyone sprays a little differently. You will need to experiment a little. 

·        Seal the wood and apply a glaze to create a special effect. A glaze is a pigmented stain thickened enough so it stays where you leave it. You can use rags, brushes or specialized glazing tools to manipulate the glaze. Once you have the look you want, let the glaze dry, then coat over it to protect it from being scratched or rubbed off. 

·        Seal the wood and spray on a toner or shading stain to change the color of the wood or highlight parts of it. Toners are very useful for tweaking a color to an exact match. Remember that a pigmented toner obscures wood while a dye toner doesn’t.

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