The sheet metal used to waterproof roof valleys, hips, or the angle between a chimney or vent and a roof is called what?

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Multiple Choice

The sheet metal used to waterproof roof valleys, hips, or the angle between a chimney or vent and a roof is called what?

Explanation:
Flashing is the sheet metal used to waterproof roof valleys, hips, and the joints around a chimney or vent where roof planes meet. It forms a watertight transition that directs water away from seams and penetrations, and is shaped to fit valleys (where two planes intersect), hips (the ridge where two planes meet at an outer corner), and around openings like chimneys or vents so shingles can shed water properly. The other terms don’t describe this metal barrier: a cap is typically the top cover for a vent or chimney, a gasket is a seal between parts, and a barrier is too generic to refer to the specific metal flashing piece.

Flashing is the sheet metal used to waterproof roof valleys, hips, and the joints around a chimney or vent where roof planes meet. It forms a watertight transition that directs water away from seams and penetrations, and is shaped to fit valleys (where two planes intersect), hips (the ridge where two planes meet at an outer corner), and around openings like chimneys or vents so shingles can shed water properly. The other terms don’t describe this metal barrier: a cap is typically the top cover for a vent or chimney, a gasket is a seal between parts, and a barrier is too generic to refer to the specific metal flashing piece.

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