Dormer Valley Flashing Metal Roof
W type valley flashing is more rigid for handling so it stays straight and it stops waler rushing down one side of a roof from rushing back up the other side.
Dormer valley flashing metal roof. Roof valleys and flashing are simple yet critical components of any roof. When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter. W valley flashing protects the critical area of your roof where two slopes come together to form a valley. Use roof valley cleats at intervals of 24 o c.
Make sure to cover the gap at the bottom of the raised ridge to keep bugs and ice out. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. A quick step by step guide on how to flash a metal roof. Make sure to hire a.
In modern roof systems valleys are typically gutter like metal troughs made of lead fiberglass or concrete. Cut the bottom edge and fold it down over the drip edge. Be sure to check local building codes to ensure you have the proper width for your application. Such as a dormer or a wall.
Recommended procedures of basic valley flashing installation. Using clips permits movement in the valley as temperatures change. How to flash a metal 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.
Metal roof flashing installation. The installer fabricates simple clips or valley flashing cleats whose bent edge interlocks with the folded over or hemmed edges of the metal roof valley flashing to secure the valley to the roof deck. Then install a non corrosive metal valley flashing of 24 minimum width. Preparing to install the panels around the sides of a dormer and up to the valleys.
Flashing is often installed to surround critical roof features such as skylights vents and chimneys.