How To Put Down Meatel Vally On Roof

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

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. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic. Most metal shingles will be attached to the roof using metal shingle. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Lay the flashing down in the roof valley and start at the lower end of the roof. How to do it determine cuts. Install an underlayment centered in the roof valley. I have my valley custom made with water trough to help with leaking b.

Best practices for sealing the metal roof valley vary based on the slope of the roof. Others start with a 3 inch wide. An open valley relies on metal flashing for protection. Many roofers cut the shingles across because they say it s safer.

Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Some roofers cut the shingles parallel to the flashing s center ridge. 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.

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

Fold the top of the flashing over the ridge. No one of this affirmat. Attach the flashing panel in place at the bottom. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Make sure to cover the gap at the bottom of the raised ridge.