Roof Flashing On Top Of Shingles

Flashing is installed to surround roof features such as vents.

Roof flashing on top of shingles.

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Doing it now will make it easier to keep the reroofing job clean. This how to video explores proper roof flashing installation for shingle roofing applications. Base flashing is installed over underlayment but under siding and shingles so you may not be able to see it from the ground.

Roof penetrations should only be installed before the roof covering is installed. 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. Ensure it sits flat and extends at least 8 inches above the shingles. Then set the piece down.

Step flashing should always be used where the roof deck meets a sidewall. How to do it remove caps. Use a flat pry bar. If a shingle is.

Hammer one nail to the. 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. How to install step flashing with a wall corner step three. Roof dope is not flashing.

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. Hence the reason for step flashing each piece is under it s corresponding roof shingle course and on top of the flashing piece below it. Remove the ridge caps. Bend it back so that it overlaps the corner flashing.

Flashing is installed to surround. 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. Nail it in place with two nails one. Base flashing is one length of flashing that is bent along the length to match the pitch of the roof.

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. Don t mistake this condition for headwall flashing routed beneath the shingles and call it a defect. Cut the flashing into 6 to 8 foot lengths to help prevent buckling after installation. Apply roofing cement to the back of the flashing then nail it into place keeping all nails a minimum of 6.