Roof Flashing On Top Of Shingles

Ensure it sits flat and extends at least 8 inches above the shingles.

Roof flashing on top of shingles.

Flashing is installed to surround roof features such as vents. Flashing should overlap the roof covering material but on asphalt shingle roofs for aesthetic reasons the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs. If you are adding new penetrations they must be done by a professional and in illinois state licensed roofer so as to get the flashing correct. Roof dope is not flashing.

I called the city inspector he said he made a. How to install step flashing with a wall corner step three. Doing it now will make it easier to keep the reroofing job clean. If you are a drop of water being blown along the roof shingles toward that flashing if you are propelled with much velocity of course you will go under the flashing.

Remove the ridge caps. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. There is a valley on the roof right to the left of the garage you can t see it in the picture but it too had flashing put on top of the shingles. Base flashing is one length of flashing that is bent along the length to match the pitch of the roof.

Base flashing is installed over underlayment but under siding and shingles so you may not be able to see it from the ground. Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Bend it back so that it overlaps the corner flashing. Hammer one nail to the.

Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Step flashing should always be used where the roof deck meets a sidewall. Nail it in place with two nails one. Cut the flashing into 6 to 8 foot lengths to help prevent buckling after installation.

Roof penetrations should only be installed before the roof covering is installed. How to do it remove caps. If a shingle is. Use a flat pry bar.

This how to video explores proper roof flashing installation for shingle roofing applications. Apply roofing cement to the back of the flashing then nail it into place keeping all nails a minimum of 6. Rule 101 sub a. Flashing is installed to surround.