How To Put Down Meatel Vally On Roof

To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.

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. Some roofers cut the shingles parallel to the flashing s center ridge. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Others start with a 3 inch wide.

How to do it determine cuts. Snipping off the corners of. 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.

Use 1 inch galvanized roofing nails. Most metal shingles will be attached to the roof using metal shingle. In this video i show you how i do the valleys on a shingle roof. That flashing is left exposed so the roof has visible lines of metal running down the valley.

An open valley relies on metal flashing for protection. Attach the flashing panel in place at the bottom. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Many roofers cut the shingles across because they say it s safer. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic. Lay the flashing down in the roof valley and start at the lower end of the roof.

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. Install an underlayment centered in the roof valley. No one of this affirmat.

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