Installation Metal Roofing Valley Detail

To secure the roof valley flashing nail it down carefully.

Installation metal roofing valley detail.

Ensure ice and water protector has been installed along the valley first. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

How to seal metal roof valley. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Best practices for sealing the metal roof valley vary based on the slope of the roof. 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.

Prep with butyl tape. First clean the debris out of the valley including sawdust nails and whatever else is in there. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. Our host david mackey discusses techniques used in installing valley panel using the sl 16 standing seam roofing system from american building components.

Metal roofing is also available in the form of shingles. With a clean valley you can lay down some peel and stick roofing membrane. Install an underlayment centered in the roof valley. Fold the top over the roof ridge and cut the bottom along the drip edge metal.

The metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. We use our scale model roof deck to demonstrate tips and tricks on how to install the sheffield metals offset cleat valley detail. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Then starting at the base of the valley center your first piece of flashing in the valley. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. How to shingle a valley with architectural shingles. Fasten every 4 inches.