Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
How to use flat vinyl flashing on a roof.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Open valleys have metal flashing to protect this critical area of the roof.
Leaks from ice dams are related to flashing problems when ice dams occur the flashing and roofing along eaves fail to prevent water from making its way up underneath the roof covering materials.
Galvanized sheet metal bent at a 90 degree angle i e.
I cut the tape so that it laps onto the housewrap above and 3 in.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
How to install roof flashing against a wall.
How to maintain roof flashing.
Coat the flashing with a zinc based primer followed by two or more coats of spray on rust preventive metal paint.
Most flashing is 8 inches wide.
This flashing is typically field fabricated from a sheet of 26 ga.
Posted march 4 2017 filed under roof installation roof repair maintenance.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
To get the best from the flashing you should fit of the sheet onto the side of the roof and the other half onto the building or addition which it is touching.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
Bent into an l shape.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
Step flashing step flashing redirects the water back onto the shingle.
Above the roof sheathing.
First use a stiff wire brush and solvent to clean the surface of any dirt debris or corrosion keep solvent away from asphalt shingles.
You may want to paint the flashing to match the roof.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
