Roof Valley Installation

Snipping off the corners of.

Roof valley installation.

Between the metal and the valley we re going to use tape seal to make sure that water can t lip itself underneath and roll back up underneath the valley. Most metal shingles will be attached to the roof using metal shingle. How to do it determine cuts. To secure the roof valley flashing nail it down carefully.

When i ve finished shingling the first roof plane i snap a chalkline 2 in to 3 in. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. The lowest of these valley shingles is cut back at an angle in line with the lowest course line. 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.

Then starting at the base of the. Some roofers cut the shingles parallel to the flashing s center ridge. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.

Away from the valley center just as i did with the closed cut valley. With a clean valley you can lay down some peel and stick roofing membrane. Apply an approximately 3 inch. Only nail at the edges with only enough nails to.

Recommended procedures of basic valley flashing installation. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Valley trim installation now bring in the valley panel that s already been cut. Then i install a line of shingles up the valley with the top edge aligned with my snapped line.

Ensure ice and water protector has been installed along the valley first. Others start with a 3 inch wide. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Install an underlayment centered in the roof valley.

You can see that the edge of the valley has been cut so that it s in line with the edge of the eave trim.