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.
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.. After the first coat is dry, lightly sand with 400 grit sandpaper. Using a tack cloth, remove the dust before you apply the second coat of polyurethane. Apply the second coat of polyurethane just as you did the first. If desired, a third coat be be applied following the same method for extra sheen and durability.