What is flashing in construction?

Flashing is a sheet of thin, impervious material used to prevent water penetration or seepage into a building and to direct the flow of moisture in walls. There are two categories of flashing, exposed and embedded.Click to see full answer. Likewise, what is a window flashing?Window flashing is a thin continuous piece of material that is installed to prevent water from getting into a structure from an angle or joint near windows. It is key to preventing water intrusion. It is typically used on roofs, around windows and doors, and around any opening for pipes or electrical lines.Additionally, how do I fix the flashing in my house? How to Repair Roof Flashing. Small holes or corroded spots in flashing can be easily repaired. Plug pinholes with roofing cement, and patch holes up to about 3/4 inch in diameter with a patch from the same material as the flashing. First roughen the area around the hole with a wire brush or sandpaper, and then clean it Similarly, what is flashing in masonry? Counterflashing, also referred to as “cap” flashing, is the first line of defense against water infiltrating your building. Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface.What is stepped flashing?step-flashing. Noun. (usually uncountable, plural step flashings) (roofing) Individual pieces of sheet metal material used to flash walls, around chimneys, dormers and such projections along the slope of a roof. Individual pieces are overlapped and stepped up the vertical wall.