A quick step by step guide on how to flash a metal roof.
Dormer valley flashing metal roof.
Using clips permits movement in the valley as temperatures change.
When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter.
Fabral metal wall and roof systems.
W valley flashing protects the critical area of your roof where two slopes come together to form a valley.
Roof valleys and flashing are simple yet critical components of any roof.
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.
Recommended procedures of basic valley flashing installation.
How to flash a metal roof.
Install an underlayment centered in the roof valley.
Metal roof flashing installation.
In modern roof systems valleys are typically gutter like metal troughs made of lead fiberglass or concrete.
Preparing to install the panels around the sides of a dormer and up to the valleys.
Cut the bottom edge and fold it down over the drip edge.
Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.
To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch overlap.
Flashing is often installed to surround critical roof features such as skylights vents and chimneys.
Use roof valley cleats at intervals of 24 o c.
Make sure to hire a.
Be sure to check local building codes to ensure you have the proper width for your application.
Then install a non corrosive metal valley flashing of 24 minimum width.
Such as a dormer or a wall.