How To Put Down Meatel Vally On Roof

Make sure to cover the gap at the bottom of the raised ridge.

How to put down meatel vally on roof.

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. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Best practices for sealing the metal roof valley vary based on the slope of the roof. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.

I have my valley custom made with water trough to help with leaking b. That flashing is left exposed so the roof has visible lines of metal running down the valley. How to do it determine cuts. The top joinery of both valleys when they meet on the same plane of roof is shown here.

Use 1 inch galvanized roofing nails. An open valley relies on metal flashing for protection. Install an underlayment centered in the roof valley. Cut the bottom edge and fold it down over the drip edge.

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Some roofers cut the shingles parallel to the flashing s center ridge. In this video i show you how i do the valleys on a shingle roof. Attach the flashing panel in place at the bottom.

Lay the flashing down in the roof valley and start at the lower end of the roof. Most metal shingles will be attached to the roof using metal shingle. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Others start with a 3 inch wide.

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. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Fold the top of the flashing over the ridge. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.

No one of this affirmat. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.