How To Put Down Meatel Vally On Roof

The top joinery of both valleys when they meet on the same plane of roof is shown here.

How to put down meatel vally on roof. I have my valley custom made with water trough to help with leaking b. Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used. Others start with a 3 inch wide. No one of this affirmat.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Most metal shingles will be attached to the roof using metal shingle. Attach the flashing panel in place at the bottom. That flashing is left exposed so the roof has visible lines of metal running down the valley.

Cut the bottom edge and fold it down over the drip edge. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. In this video i show you how i do the valleys on a shingle roof. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.

Fold the top of the flashing over the ridge. Make sure to cover the gap at the bottom of the raised ridge. Use 1 inch galvanized roofing nails. How to do it determine cuts.

Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Some roofers cut the shingles parallel to the flashing s center ridge.

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. Best practices for sealing the metal roof valley vary based on the slope of the roof. Install an underlayment centered in the roof valley. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

Snipping off the corners of. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.