How Do I Install Metal Roofing In A Valley

No sales pitch or other fluff.

How do i install metal roofing in a valley. Iko recommends installing an open valley with architectural or laminated shingles. Recommended procedures of basic valley flashing installation. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.

Metal valley trim also known as metal valley flashing is beneficial because it drains water away from the structure of your metal building which helps prevent moisture damage. I have my valley custom made with water trough to help with leaking b. Install an underlayment centered in the roof 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.

That flashing is left exposed so the roof has visible lines of metal running down the valley. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.

Remove the old roofing. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. The top joinery of both valleys when they meet on the same plane of roof is shown here. With a clean valley you can lay down some peel and stick roofing membrane.

Then install a non corrosive metal valley flashing of 24 minimum width. Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific.