Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof.
New shingles around roof vent.
Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.
Place a line of roofing tar or caulk on top of the vent s flange or its bottom flap using a caulk gun.
Otherwise replace it with a new one that will fit the hole or pipe.
Press new shingles onto the caulk and use nails at the top of each shingle to fully secure them to the roof.
Slide the new flashing over the vent pipe and under the shingles above the pipe.
Continuous or individual soffits.
Vent flashing is a cylindrical piece of flashing that fits right around the vent.
Continue the next row of shingles cutting a hole for the vent pipe.
The height of the boot forces water to run around the vent.
Apply the roofing felt on the roof cutting a hole for the vent pipe.
Leave the old valley flashing in place and install new over it.
The shingles are installed over the base or boot.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
Use some asphalt roof cement under the cut shingle and around.
If more than about 35 of your roof is going to need repair due to wind or hail especially if it s already 12 years old the cost effective decision might be to replace it all.
Glue down shingles to cover the bottom of the vent.
This aluminum cap is the finished product and does not require.
Plumbing vent boot flashing.
Along the rakes install a new j channel drip edge which wraps around the old rake flashing and starter courses.
Cover the entire flange with shingles to integrate it better into the roof.
If you damage shingles while doing this repair the shingles see next step.
However on the roof of my outbuilding and the roof of my parents house i noticed that the shingles at the bottom edge of the vent are filled in over the lower part of the flange cut around the profile of the vent.
An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the roof shingles.
Slip a flat bar under the edge of the vent flashing and pop the nails up photo 1.
Repair is costlier on a per square foot basis because it is more time consuming to integrate new shingles into a roof here and there than to install them over the entire roof.
Soffit vents are one of the most popular intake vent styles.
Reuse a vent or flashing only if it is like new.
