Polyurethane is fully inert and safe for people. Although the polyurethane finish is harmless once it has dried and cured, the finish emits potentially dangerous compounds into the air throughout the drying and curing process, a process known as off-gassing. It is not advised to sleeping in a house with uncured polyurethane.
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Most stain is applied with a brush, a roller, or spraying. The manufacturer's instructions will advise the best method to suit your chosen stain.
Your wood must be clean and dry. That means all dirt and residual paint should be removed by washing and scraping. If you want a smoother surface, you can sand the wood, which helps remove dirt and...
