Installing A Metal Roof Valley

Use 1 inch galvanized roofing nails.

Installing a metal roof valley.

Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. Add the metal panels. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Then starting at the base of the.

Ensure ice and water protector has been installed along the valley first. 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. Take care the first piece is aligned precisely perpendicular square to the edge. Most metal shingles will be attached to the roof using metal shingle.

Install an underlayment centered in the roof valley. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Install synthetic roofing. How to seal metal roof valley.

Best practices for sealing the metal roof valley vary based on the slope of the roof. Cut the top layer of shingles along the chalkline. Recommended procedures of basic valley flashing installation. Attach the flashing panel in place at the bottom.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Apply an approximately 3 inch. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Step 9 cut corners and apply cement.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Always begin working at the point with the longest peak to eave distance. With a clean valley you can lay down some peel and stick roofing membrane. To secure the roof valley flashing nail it down carefully.

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. Only nail at the edges with only enough nails to.