When choosing the best sealant, varnish, or protective finishing coat, there are several factors to consider. For example, will the surface be used indoors or outdoors? Is the protective layer easy to apply? Is the varnish non-toxic and has little smell? Is the product safe for users (and the environment) during application and cleaning? At the basic level, a two-layer system is a method in which two coatings are applied to the same substrate. The most common two-layer systems consist of placing a primer, curing it, and then applying and curing a top coat. Sometimes, the first application is a color layer and the second is a transparent top layer.
This applies even to furniture painted with latex. Although regular paint is very durable, it still benefits from an extra layer of protection. After sanding and staining the wood, the finish comes. Take the factors mentioned in section B to choose a suitable finish.
You can use a cloth or brush to apply the finish. You may also need to use spray equipment for finishes such as varnishes.
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