How To Install Copper Valley Flashing For Slate Roof

The wood strips should be approximately 3 times the thickness of the slates.

How to install copper valley flashing for slate roof.

Additionally he points out what caused the old roof system to fail. Easy step by step video. This is 20 ounce copper. How to install open valley trim on metal roof.

Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Install first piece of copper flashing over bottom of furring strips. Metal roofing learning channel 5 631 views. In part 2 of this 3 part series gf sprague project manager steve herget demonstrates how to properly install a copper valley on a slate roof.

Install an underlayment centered in the roof valley. They are demonstrating how to install mitered hips with copper step flashing cleated copper ridge and saddle hips with copper step flashing. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Steve unveils key steps to ensure a successful slate.

Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic. With a clean valley you can lay down some peel and stick roofing membrane. Copper valley double lock sweep seam top joint. Fold bottom of flashing to hide furring strips.

First clean the debris out of the valley including sawdust nails and whatever else is in there. Then install a non corrosive metal valley flashing of 24 minimum width. Exposed fastener panels duration.