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Expert's Corner — wet

TIP: Avoiding Orange Peel

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Orange peel is an irregular or bumpy surface in a sprayed finish caused by spraying a liquid that is too viscous, or thick, with too little air pressure, or by moving the spray gun too fast or holding it too far from the surface. When defined in this manner, the methods for avoiding orange peel are obvious. To reduce or eliminate orange peel, thin the finish or increase air pressure (or both). If you’re using a turbine rather than compressor, you can’t increase air pressure. So thin the finish. Also, arrange lights so you can see how the spray wets...

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Wiping Off Excess Stain

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The rule for applying stain successfully is to apply a wet coat and wipe off the excess before the stain dries. There’s no problem doing this with common oil-based wiping stains. They dry very slowly, so there’s plenty of time to get the excess wiped off before the stain dries. But water-based and lacquer stains dry rapidly, so it’s often difficult to get all the excess wiped off before the stain begins to set up. An example of the problems with water-based stain is shown in the accompanying picture. Here are three ways to overcome the problem: If possible, divide...

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DEALING WITH THE CHERRY BLOTCHING PROBLEM

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DEALING WITH THE CHERRY BLOTCHING PROBLEM

Cherry was long thought of as the poor man’s mahogany and was used as a substitute for mahogany. But as quality mahogany has become harder to get, cherry has become increasing popular and is now widely thought of as a quality wood in its own right. Though cherry has a beautiful color and is easy to work, it is difficult to finish nicely because of its tendency to blotch. Blotching is uneven coloring caused especially by stains, but also by just a clear finish, that leaves some areas darker than others. Everyone wants to know how to avoid blotching in...

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