This calculator provides BMI and the corresponding BMI weight status category. Use this calculator for adults, 20 years old and older. For children and teens, 2 through 19 years old, use the BMI Calculator for Children and Teens.
How to Apply Polyurethane. Polyurethane is a type of synthetic varnish used for finishing and sealing wood. In interior applications such as finishing floors and wood furniture, polyurethane is harder and more resistant to abrasion than its naturally-derived counterparts.
Polyurethane is the modern product most often used as varnish, or clear finish, on stained and painted wood surfaces. To achieve the highest level of gloss, and to create the smoothest possible finish, wet sanding each coat of polyurethane is the preferred method.