Installing A Metal Roof Valley

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Installing a metal roof valley.

Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Step 9 cut corners and apply cement. Best practices for sealing the metal roof valley vary based on the slope of the roof.

First clean the debris out of the valley including sawdust nails and whatever else is in there. Install an underlayment centered in the roof valley. Only nail at the edges with only enough nails to. How to seal metal roof valley.

Always begin working at the point with the longest peak to eave distance. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. Attach the flashing panel in place at the bottom. Lay the flashing down in the roof valley and start at the lower end of the roof.

Slip a piece of sheet metal flashing under the top layer of shingles to protect the bottom layer in the valley while you cut the shingles with a hook blade. Take care the first piece is aligned precisely perpendicular square to the edge. Then starting at the base of the. Most metal shingles will be attached to the roof using metal shingle.

Apply an approximately 3 inch. Add the metal panels. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Ensure ice and water protector has been installed along the valley first.

Use 1 inch galvanized roofing nails. With a clean valley you can lay down some peel and stick roofing membrane. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Install synthetic roofing.

To secure the roof valley flashing nail it down carefully. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.