Final answer:
Window flashing should be applied over all new construction window flanges to prevent water infiltration.
Step-by-step explanation:
Window flashing should be applied over all new construction window flanges to prevent water infiltration. Flashing is a material, typically made of metal or synthetic material, that is installed around windows, doors, and other openings to redirect water away from the building. It acts as a barrier against water penetration, helping to keep the interior of the building dry.