Installing Flashing On Roof Valley

Valley flashing is made of aluminium metal pvc galvanized steel.

Installing flashing on roof valley. Use 1 inch galvanized roofing nails. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Cut the bottom edge and fold it down over the drip edge. While roofing professionals occasionally use nails when flashing they must choose whether to nail to the roof plane or the vertical wall.

Recommended procedures of basic valley flashing installation. Step flashing for chimneys. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Install valley battens on both ends of the roof valley then attach first flashing 3 4 inches over the roof flange and another 3 4 inches over the fascia if any is present.

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. How to do it determine cuts. Remember to caulk the underside of the flashing with a sealant. A valley is the part of your roof where two descending parts of the roof meet each other.

Once the shingles have been installed lay the base flashing around the base of the chimney approximately 4 past each end. A flashing on the other hand is a waterproofing material used to prevent leaks on roofs. Snipping off the corners of. Apply an approximately 3 inch.

Lay the flashing down in the roof valley and start at the lower end of the roof. Install an underlayment centered in the roof valley. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Now nail this first flashing at both its far ends.

Step 6 install the flashing. Some roofers cut the shingles parallel to the flashing s center ridge. Attach the flashing panel in place at the bottom. It is necessary to install flashing in your roof valley as valleys are prone to developing leakages.

Now notch the first step flashing so that it will bend to go around the chimney front and side as well as at the base. Fold the top of the flashing over the ridge. Make sure to cover the gap at the bottom of the raised ridge.