Installing A Metal Roof Valley

Step 9 cut corners and apply cement.

Installing a metal roof valley.

Install synthetic roofing. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. First clean the debris out of the valley including sawdust nails and whatever else is in there. 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.

Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. Most metal shingles will be attached to the roof using metal shingle. Lay the flashing down in the roof valley and start at the lower end of the roof. Ensure ice and water protector has been installed along the valley first.

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. Fold the top over the roof ridge and cut the bottom along the drip edge metal.

Recommended procedures of basic valley flashing installation. Use 1 inch galvanized roofing nails. Best practices for sealing the metal roof valley vary based on the slope of the roof. How to seal metal roof valley.

Only nail at the edges with only enough nails to. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Apply an approximately 3 inch. 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.

Then starting at the base of the. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Take care the first piece is aligned precisely perpendicular square to the edge. Add the metal panels.

Cut the top layer of shingles along the chalkline. Attach the flashing panel in place at the bottom.