Metal Roof Valley Installation Instructions

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Metal roof valley installation instructions.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Apply an approximately 3 inch. Applicable for ultravic supervic 7 8 corrugated barnmaster diamond rib double. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. How to install a valley on a vicwest metal roof. In this video i show you how i do the valleys on a shingle roof. Recommended procedures of basic valley flashing installation.

Then install a non corrosive metal valley flashing of 24 minimum width lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Fold the top over the roof ridge and cut the bottom along the drip edge metal. I have my valley custom made with water trough to help with leaking b. With a clean valley you can lay down some peel and stick roofing membrane.

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