Continuous flashing has always been used at a headwall an intersecting wall at the top of a roof plane and perpendicular to the slope.
How to install continuous roof flashing.
Then set the piece down.
How to install step flashing with a wall corner step three.
Bend it back so that it overlaps the corner flashing.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
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.
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.
Mike avoids driving fasteners through the roof leg by using clips made from scraps of flashing metal to secure the outside edge.
Most flashing is 8 inches wide.
If the wall is brick or stucco you will need to cut out enough to install the flashing.
Here is a guide on how to install lead flashing to your roof.
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.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
However the principles are the s.
How to install roof flashing against a wall.
Do not nail the flashing to the wall.
Step flashing step flashing redirects the water back onto the shingle.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
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.
Instead install the flashing before the siding bricks or stucco.
Installation of a continuous sheet of metal flashing from the top of the roof to the bottom of the roof in lieu of step flashing is not a correct method of installation in many instances.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
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.
To install continuous flashing embed it into roof cement and nail it to the last course of shingles nailed to the deck.
Hammer one nail to the.
Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
