How To Put Down Meatel Vally On Roof

Many roofers cut the shingles across because they say it s safer.

How to put down meatel vally on roof.

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. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

No one of this affirmat. Use 1 inch galvanized roofing nails. Install an underlayment centered in the roof valley. Attach the flashing panel in place at the bottom.

Best practices for sealing the metal roof valley vary based on the slope of the roof. Make sure to cover the gap at the bottom of the raised ridge. I have my valley custom made with water trough to help with leaking b. 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. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Others start with a 3 inch wide. How to do it determine cuts.

That flashing is left exposed so the roof has visible lines of metal running down the valley. 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. The top joinery of both valleys when they meet on the same plane of roof is shown here. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Fold the top of the flashing over the ridge. Most metal shingles will be attached to the roof using metal shingle. Cut the bottom edge and fold it down over the drip edge.

An open valley relies on metal flashing for protection. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.