How to Avoid Runs & Sags

Notice in this picture how easy it is to see the developing runs in a reflected light and how difficult it is to see them elsewhere

One of the biggest problems woodworkers have is runs and sags drying in their finishes, especially with slower drying finishes such as varnish (including polyurethane and wiping varnish) and water-based finish. They can also happen in shellac, though it dries faster. The remedy is simple. You should never have runs or sags drying in your finish whether you’re brushing or spraying. The way to achieve this level of perfection is […]

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