Installing Steel Roofing Valleys

Installation of panels roof pitch this style of metal roofing panels requires a certain degree of pitch to ensure proper water drainage.

Installing steel roofing valleys.

Flashing should be installed in all of the valleys. 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. Recommended procedures of basic valley flashing installation. Indeed california valleys are prohibited in some areas.

Always be sure to refer to your local codes to see if they demand a particular kind of valley installation. An open valley relies on metal flashing for protection. Before you install metal roofing repair any damage to the wood under the shingles. Noise is usually not a factor if you are installing a steel roof over asphalt.

Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Steel roofing can be costly but it is a lifetime investment. That flashing is left exposed so the roof has visible lines of metal running down the.

Florida building code allows a minimum pitch of 2 12 for grand rib 3 panels as long as lap screws and sealant are applied to the laps to prevent water from siphoning over the ribs see fig. Installing metal flashing for your roof project is a challenging but essential step to take to ensure that the new roof remains as weatherproof and as strong as possible the following steps will explain how to install metal flashing in roof valleys. With a clean valley you can lay down some peel and stick roofing membrane. When installing metal valley flashing there are a few things to keep in mind from cutting metal roofing to sealing the flashing.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Open valley shingle installation. Galvanized steel which is created by using a soft layer of zinc to protect the inner layers is the most common type of steel roofing. Next use 1 inch nails to secure some metal edging to the perimeter of the roof.