Final answer:
The correct term for sheet metal that safeguards a house from water leakage is flashing, which directs water away from vulnerable areas of the home to prevent water damage.
Step-by-step explanation:
The word that best describes sheet metal used to protect a house from water leakage is flashing. Flashing is a material, commonly metal, that is used to direct water away from critical areas of a house, such as where the roof meets a vertical surface like a chimney or wall. It serves as a weather-resistant barrier to prevent water from seeping into the house and causing damage. Drip edge is related but specifically refers to metal installed at the edges of a roof to direct water away from the fascia and into the gutter.
The ice and water shield is a waterproofing underlayment used under roof shingles to prevent leaks from ice dams and wind-driven rain, while a vapor guard, also known as a vapor barrier, is used to prevent moisture from penetrating through walls or floors.Flashing is a thin, narrow strip of sheet metal that is installed in various parts of a building to prevent water penetration. It is typically used around windows, doors, and roof edges to channel water away from vulnerable areas and prevent leaks.
For example, flashing can be installed along the roof's edge, known as the drip edge, to direct water away from the fascia and prevent water damage to the house.