Prepare the area where you will install the roof flashing.
Installing flashing for the roof.
Before you apply the flashing you ll need to lay down a waterproof membrane.
Especially if you live in an area that gets a lot of snow and ice.
If you already have faulty flashing installed you.
As you roof along a chimney alternate shingles and l shaped pieces of step flashing.
Place a second piece of 8 inch 20 3 cm flashing against the chimney.
While some skylight manufacturers include flashing in their products sometimes roofing professionals.
Step flashing step flashing redirects the water back onto the shingle.
However the principles are the s.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
The edge of the roof has thin metal flashing that helps water drip off.
Hammer 2 roofing nails into the flashing and roof.
For extra protection run a bead of urethane between the step flashing and the chimney.
Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
The flashing should partially overlap the shingle that covers the first piece of flashing.
Secure a shingle over the corner flashing using a hammer and roofing nail.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
How to install porch roof flashing step 1.
How to install roof flashing against a wall.
Open valleys have metal flashing to protect this critical area of the roof.
Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.
Gaf mastering the roof chapter 13 flashing is used to seal and protects joints in a building from water penetration by direct the flow of water away from.
Counterflashing will cover the tops of the step flashing.
Measure the length of the porch roof joint to determine how much flashing you will need.
The remaining siding on the sidewall will overlap the step flashing and nail.
Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.
