Roof Valley Installation Instructions

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

Roof valley installation instructions.

It is important to check the local building codes hoa regulations etc. The open woven and closed cut methods are demonstrated. Roof application panel installation should begin at the gable end of the roof opposite the prevailing rain bearing wind this will provide added assurance against wind driven rain being forced under the laps. Recommended procedures of basic valley flashing installation.

Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. If you have any questions regarding the proper installation of the 5v crimp panel please contact your mid florida metal roofing supply.

In order to shingle this kind of roof valley a roofing professional has to install both roof faces at the same time which is quite slow. This video demonstrates the proper installation technique for installing roofing valleys. 3 important notice this manual serves as a guide to proper installation of the 5v crimp panel. In this video i show you how i do the valleys on a shingle roof.

Before installing a metal roof. A woven valley shingle installation has other drawbacks including that they are slow to install especially in cold weather and more difficult to repair than the other types. Then install a non corrosive metal valley flashing of 24 minimum width. Install an underlayment centered in the roof valley.