Use Flashing For Roof
Galvanized sheet metal is most common but aluminum and copper find occasional use in specialty situations.
Use flashing for roof. Continuous flashing is sometimes seen where a roof meets a sidewall but in the long run step flashing will do a better job of preventing water leaks. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Flashing is critical to certain areas of your roof namely the places where the roof surface meets a wall sidewalls and front walls the low points where two roof slopes meet called valleys roof protrusions bathroom kitchen vents skylights and the roof s edges rakes and eaves.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. The gibraltar building products l flashing protects your home the gibraltar building products l flashing protects your home from moisture infiltration where your wall meets your roof. All roofing systems are made of a number of different components. Although roof flashing is occasionally fabricated from plastic roofing felt or rubber it is usually made of rust resistant metal galvanized steel aluminum or copper.
When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes. Even if one piece of step flashing fails the flashing and shingle below it start the. Install the step flashing. Here s a look at some general principles of roof flashing that will help guide you through a proper repair or replacement or even new construction.
Roof sheathing underlayment roofing material roof intersections flashing details and ventilation. What is roof flashing. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Step flashing redirects the water back onto the shingle.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems. L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. A look at roof design.