Z-bar flashing is a type of flashing used in construction to protect buildings from water infiltration. Flashing is a thin material, typically made of metal, that is used to cover the joints between different building materials to prevent water from entering the structure. Z-bar flashing is a specific type of flashing that is shaped like a “Z” and is used to cover the joints between roofing material and the walls of a building. It is typically used on roofs with a steep pitch, such as mansard or gambrel roofs. The Z-shape of the flashing allows it to follow the contour of the roof and provide a watertight seal at the joint between the roof and the wall.
Z-bar flashing is used to protect a building from water infiltration in several ways. One way it is used is to cover the joint between the roofing material and the walls of a building. This is important because water can seep into the building through the joints between these two materials, causing damage to the structure. Z-bar flashing is also used to cover joints between different types of roofing material, such as where a flat roof meets a pitched roof. In this case, the flashing helps to prevent water from flowing down the pitched roof and onto the flat roof, which could cause leaks.
Z-bar flashing also covers joints between different building materials, such as where a brick wall meets a wood frame. In this case, the flashing helps to prevent water from entering the building through the joints between these two materials. Z-bar flashing is typically made of metal, such as aluminum or galvanized steel, and is installed using nails or screws. It is an important component of a building’s water management system and is used to help keep the building dry and protect it from water damage.