W valley flashing protects the critical area of your roof where two slopes come together to form a valley.
Dormer valley flashing metal roof.
This flashing provides protection for pipes cables conduits and wires.
Be sure to check local building codes to ensure you have the proper width for your application.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter.
Use roof valley cleats at intervals of 24 o c.
Fasteners placed in the exposed center area.
Up to 5 3 4 in.
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.
Failure to extend the entire width of the metal valley flashing beyond the eave of the roof.
With a clean valley you can lay down some peel and stick roofing membrane.
Avoid the following common errors.
Open valleys have metal flashing to protect this critical area of the roof.
Fabral metal wall and roof systems.
The soft aluminum base conforms to most metal roof panels.
Preparing to install the panels around the sides of a dormer and up to the valleys.
How to secure metal roof valley by clips cleats or edge trapping roofing nails.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.
Fold the top over the roof ridge and cut the bottom along the drip edge metal.
Roof mastic applied along sides of valley flashing.
Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.