How To Install Continuous Roof Flashing

If the siding is already instead you will need to pry it up to slip the flashing under it.

How to install continuous roof flashing.

If the wall is brick or stucco you will need to cut out enough to install the flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Most flashing is 8 inches wide.

Bend it back so that it overlaps the corner flashing. Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. How to install step flashing with a wall corner step three.

The provision is short on installation details and requirements so we asked mike guertin who leads the roofing demonstrations for jlc live to give us his. In the 2012 irc the section that covered sidewall flashing was much expanded and for the first time it included continuous flashing as an approved method for roof to sidewall flashing with asphalt shingles. Here is a guide on how to install lead flashing to your roof. In the code s eye view section of jlc code specialist glenn mathewson took a look at a 2012 irc provision that allows the use of continuous flashing at roofing to sidewall intersections as an alternative to traditional step flashing.

Step flashing step flashing redirects the water back onto the shingle. Continuous flashing has always been used at a headwall an intersecting wall at the top of a roof plane and perpendicular to the slope. The clips are folded in the middle and fasten through the roof shingles in line with the outside edge of the continuous flashing every 16 inches or so. Then set the piece down.

Mike avoids driving fasteners through the roof leg by using clips made from scraps of flashing metal to secure the outside edge. Instead install the flashing before the siding bricks or stucco. To install continuous flashing embed it into roof cement and nail it to the last course of shingles nailed to the deck. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.

4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Nail it in place with two nails one. Do not nail the flashing to the wall. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.

How to install roof flashing against a wall. Ensure it sits flat and extends at least 8 inches above the shingles. However the principles are the s.