Is the woodwork meant to be indoor or outdoor? It is important to know where the woodwork will be kept. If the product is indoors, water resistance is not high on the list of priorities. Usually, most important aspect is the durability and resistance for scratches. If the woodwork is for outdoor usage, a good water resistant finish is mandatory. It will help to prolong the life expectancy and durability. Types of outdoor woodwork which requires a protection might be a wooden deck, outdoor furniture or patios.
Is the color and the gloss important? Some of the finishes and varnishes can result in clear gloss, and some of them have a slightly orange or amber color. In the case, the goal is to achieve clear gloss, pure varnish should be the best choice. Some of the finishes as shellac can result in different color gloss, from light orange to dark amber. Make a decision is the color important.
Will the product be in any contact with water? Same as with the placing the product indoor or outdoor, it is important to know is there any chance water could damage it. For the wooden floors, it is known they tend to be washed with some liquid. As long as the finish layer is protective and has a high water resistance level, it is a good finish choice. If the product has a high chance to be in contact with water such as rain and it will be placed outdoors in this case highest water protection needs to be used. The best water resistant finish is Tung oil.
How big the budget is? The budget can interfere with the choice of the finish. Some of the wood require additional layers and amount of product used will be higher. For the best result, it is crucial to find a product which can secure healthy and affordable finish. Also, if some of the steps are done in the incorrect way, the product will have to be treated again.